CVE-2018-16882
published 2019-01-03CVE-2018-16882: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In…
PriorityP343high8.8CVSS 3.1
AVLACLPRLUINSCCHIHAH
EPSS
0.36%
28.7th percentile
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
Affected
15 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | linux | < linux 4.19.13-1 (bookworm) | linux 4.19.13-1 (bookworm) |
| linux | linux_kernel | >= 0 < 4.19.13-1 | 4.19.13-1 |
| linux | linux_kernel | >= 0 < 4.19.13-1 | 4.19.13-1 |
| linux | linux_kernel | >= 0 < 4.19.13-1 | 4.19.13-1 |
| linux | linux_kernel | >= 0 < 4.19.13-1 | 4.19.13-1 |
| linux | linux_kernel | >= 0 < 4.15.0-44.47 | 4.15.0-44.47 |
| linux | linux_kernel | >= 0 < 4.15.0-45.48 | 4.15.0-45.48 |
| linux | linux_kernel | >= 4.14 < 4.14.91 | 4.14.91 |
| linux | linux_kernel | >= 4.15 < 4.19.13 | 4.19.13 |
| the_linux_foundation | kernel | — | — |
| the_linux_foundation | kernel | — | — |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
nvdv3.06.1MEDIUMCVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
vendor_ubuntu5.3MEDIUM
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GHSA
GHSA-4wh7-45g5-wcc8: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled
ghsa_unreviewed·2022-05-13
CVE-2018-16882 [HIGH] CWE-416 GHSA-4wh7-45g5-wcc8: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
OSV
linux, linux-hwe regression
osv·2019-02-08·CVSS 7.0
[HIGH] linux, linux-hwe regression
linux, linux-hwe regression
USN-3878-1 fixed vulnerabilities in the Linux kernel. Unfortunately,
that update introduced a regression that could prevent systems with
certain graphics chipsets from booting. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling interrupts in
environments where nested virtualization is in use (nested
OSV
linux-azure vulnerabilities
osv·2019-02-07·CVSS 5.5
CVE-2018-10876 [MEDIUM] linux-azure vulnerabilities
linux-azure vulnerabilities
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write vulnerability existed in the
ext4 filesystem implementation in the Linux kernel. An attacker could use
this to c
OSV
linux-aws, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities
osv·2019-02-04·CVSS 5.5
CVE-2018-10876 [MEDIUM] linux-aws, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities
linux-aws, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write vulnerability existed in the
ext4 filesystem implementation in the
OSV
linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities
osv·2019-02-04·CVSS 5.5
[MEDIUM] linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities
linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities
USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu
16.04 LTS.
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial
OSV
linux regression
osv·2019-01-31·CVSS 5.5
[MEDIUM] linux regression
linux regression
USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
LTS. Unfortunately, that update introduced regressions with docking
station displays and mounting ext4 file systems with the meta_bg
option enabled. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to constr
OSV
linux vulnerabilities
osv·2019-01-29·CVSS 5.5
CVE-2018-10876 [MEDIUM] linux vulnerabilities
linux vulnerabilities
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write vulnerability existed in the
ext4 filesystem implementation in the Linux kernel. An attacker could use
this to constru
OSV
linux-hwe vulnerabilities
osv·2019-01-29·CVSS 7.0
CVE-2018-14625 [HIGH] linux-hwe vulnerabilities
linux-hwe vulnerabilities
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling interrupts in
environments where nested virtualization is in use (nested KVM
virtualization is not enabled by default in Ubuntu kernels). A local
attacker in a guest VM could possibly use this to gain administrative
privileges in a host machine. (CVE-2018-16882)
Wei Wu discovered that the KVM implementation in the Linux kernel did not
properly en
OSV
CVE-2018-16882: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled
osv·2019-01-03·CVSS 8.8
CVE-2018-16882 [HIGH] CVE-2018-16882: A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
Ubuntu
Linux kernel regression
vendor_ubuntu·2019-02-08·CVSS 5.3
[MEDIUM] Linux kernel regression
Title: Linux kernel regression
Summary: USN-3878-1 introduced a regression in the Linux kernel.
USN-3878-1 fixed vulnerabilities in the Linux kernel. Unfortunately,
that update introduced a regression that could prevent systems with
certain graphics chipsets from booting. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling inte
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2019-02-07·CVSS 5.0
CVE-2018-10876 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write vulnerability existed in the
e
Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2019-02-07·CVSS 5.3
CVE-2018-14625 [MEDIUM] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling interrupts in
environments where nested virtualization is in use (nested KVM
virtualization is not enabled by default in Ubuntu kernels). A local
attacker in a guest VM could possibly use this to gain administrative
privileges in a host machine. (CVE-2018-16882)
W
Ubuntu
Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities
vendor_ubuntu·2019-02-04·CVSS 5.0
CVE-2018-10876 [MEDIUM] Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities
Title: Linux kernel (AWS, GCP, KVM, OEM, Raspberry Pi 2) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write v
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2019-02-04·CVSS 5.3
CVE-2018-14625 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling interrupts in
environments where nested virtualization is in use (nested KVM
virtualization is not enabled by default in Ubuntu kernels). A local
attacker in a guest VM could possibly use this to gain administrative
privileges in a host machine. (CVE-2018-16882)
Wei Wu di
Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2019-02-04·CVSS 5.0
CVE-2018-10876 [MEDIUM] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 18.04 LTS for Ubuntu
16.04 LTS.
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malici
Ubuntu
Linux kernel regression
vendor_ubuntu·2019-01-31·CVSS 5.0
[MEDIUM] Linux kernel regression
Title: Linux kernel regression
Summary: Multiple regressions were fixed in the Linux kernel.
USN-3871-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04
LTS. Unfortunately, that update introduced regressions with docking
station displays and mounting ext4 file systems with the meta_bg
option enabled. This update fixes the problems.
We apologize for the inconvenience.
Original advisory details:
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesy
Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2019-01-29·CVSS 5.3
CVE-2018-14625 [MEDIUM] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that a race condition existed in the vsock address family
implementation of the Linux kernel that could lead to a use-after-free
condition. A local attacker in a guest virtual machine could use this to
expose sensitive information (host machine kernel memory). (CVE-2018-14625)
Cfir Cohen discovered that a use-after-free vulnerability existed in the
KVM implementation of the Linux kernel, when handling interrupts in
environments where nested virtualization is in use (nested KVM
virtualization is not enabled by default in Ubuntu kernels). A local
attacker in a guest VM could possibly use this to gain administrative
privileges in a host machine. (CVE-2018-16882)
Wei
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2019-01-29·CVSS 5.0
CVE-2018-10876 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Wen Xu discovered that a use-after-free vulnerability existed in the ext4
filesystem implementation in the Linux kernel. An attacker could use this
to construct a malicious ext4 image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2018-10876, CVE-2018-10879)
Wen Xu discovered that a buffer overflow existed in the ext4 filesystem
implementation in the Linux kernel. An attacker could use this to construct
a malicious ext4 image that, when mounted, could cause a denial of service
(system crash) or possibly execute arbitrary code. (CVE-2018-10877)
Wen Xu discovered that an out-of-bounds write vulnerability existed in the
ext4 file
Red Hat
Kernel: KVM: nVMX: use after free in posted interrupt processing
vendor_redhat·2018-12-18·CVSS 8.8
CVE-2018-16882 [HIGH] CWE-416 Kernel: KVM: nVMX: use after free in posted interrupt processing
Kernel: KVM: nVMX: use after free in posted interrupt processing
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs
Debian
CVE-2018-16882: linux - A use-after-free issue was found in the way the Linux kernel's KVM hypervisor pr...
vendor_debian·2018·CVSS 8.8
CVE-2018-16882 [HIGH] CVE-2018-16882: linux - A use-after-free issue was found in the way the Linux kernel's KVM hypervisor pr...
A use-after-free issue was found in the way the Linux kernel's KVM hypervisor processed posted interrupts when nested(=1) virtualization is enabled. In nested_get_vmcs12_pages(), in case of an error while processing posted interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc' descriptor address, which is later used in pi_test_and_clear_on(). A guest user/process could use this flaw to crash the host kernel resulting in DoS or potentially gain privileged access to a system. Kernel versions before 4.14.91 and before 4.19.13 are vulnerable.
Scope: local
bookworm: resolved (fixed in 4.19.13-1)
bullseye: resolved (fixed in 4.19.13-1)
forky: resolved (fixed in 4.19.13-1)
sid: resolved (fixed in 4.19.13-1)
trixie: resolved (fixed in 4.19.13-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-16882 Kernel: KVM: nVMX: use after free in posted interrupt processing
bugzilla·2018-12-18·CVSS 8.8
CVE-2018-16882 [HIGH] CVE-2018-16882 Kernel: KVM: nVMX: use after free in posted interrupt processing
CVE-2018-16882 Kernel: KVM: nVMX: use after free in posted interrupt processing
A use after free issue was found in the way Linux kernel's KVM hypervisor
processed posted interrupts, when nested(=1) virtualization is enabled.
In nested_get_vmcs12_pages(), in case of an error while processing posted
interrupt address, it unmaps the 'pi_desc_page' without resetting 'pi_desc'
descriptor address. Which is latter used in pi_test_and_clear_on().
A guest user/process could use this flaw to crash the host kernel resulting
in DoS OR potentially gain privileged access to a system.
Upstream patch:
-> https://marc.info/?l=kvm&m=154514994222809&w=2
Reference:
-> https://www.openwall.com/lists/oss-security/2018/12/18/6
Discussion:
Acknowledgments:
Name: Cfir Cohen (google.com)
---
Created kerne
Bugzilla
CVE-2018-16882 kernel: KVM: nVMX: use after free in posted interrupt processing [fedora-all]
bugzilla·2018-12-18·CVSS 8.8
CVE-2018-16882 [HIGH] CVE-2018-16882 kernel: KVM: nVMX: use after free in posted interrupt processing [fedora-all]
CVE-2018-16882 kernel: KVM: nVMX: use after free in posted interrupt processing [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple sup
http://www.securityfocus.com/bid/106254https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16882https://lwn.net/Articles/775720/https://lwn.net/Articles/775721/https://marc.info/?l=kvm&m=154514994222809&w=2https://support.f5.com/csp/article/K80557033https://usn.ubuntu.com/3871-1/https://usn.ubuntu.com/3871-3/https://usn.ubuntu.com/3871-4/https://usn.ubuntu.com/3871-5/https://usn.ubuntu.com/3872-1/https://usn.ubuntu.com/3878-1/https://usn.ubuntu.com/3878-2/http://www.securityfocus.com/bid/106254https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16882https://lwn.net/Articles/775720/https://lwn.net/Articles/775721/https://marc.info/?l=kvm&m=154514994222809&w=2https://support.f5.com/csp/article/K80557033https://usn.ubuntu.com/3871-1/https://usn.ubuntu.com/3871-3/https://usn.ubuntu.com/3871-4/https://usn.ubuntu.com/3871-5/https://usn.ubuntu.com/3872-1/https://usn.ubuntu.com/3878-1/https://usn.ubuntu.com/3878-2/
2019-01-03
Published