CVE-2019-7308
published 2019-02-01CVE-2019-7308: kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases…
PriorityP424medium5.6CVSS 3.0
AVLACHPRLUINSCCHINAN
EPSS
0.54%
42.5th percentile
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
Affected
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | linux | < linux 4.19.20-1 (bookworm) | linux 4.19.20-1 (bookworm) |
| linux | linux_kernel | < 4.19.19 | 4.19.19 |
| linux | linux_kernel | >= 0 < 4.19.20-1 | 4.19.20-1 |
| linux | linux_kernel | >= 0 < 4.19.20-1 | 4.19.20-1 |
| linux | linux_kernel | >= 0 < 4.19.20-1 | 4.19.20-1 |
| linux | linux_kernel | >= 0 < 4.19.20-1 | 4.19.20-1 |
| linux | linux_kernel | >= 0 < 4.15.0-47.50 | 4.15.0-47.50 |
| linux | linux_kernel | >= 4.20.0 < 4.20.6 | 4.20.6 |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.05.6MEDIUMCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
nvdv2.04.7MEDIUMAV:L/AC:M/Au:N/C:C/I:N/A:N
osv7.8HIGH
vendor_ubuntu7.8HIGH
vendor_debian5.6MEDIUM
vendor_redhat5.6MEDIUM
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GHSA
GHSA-vww8-62hf-x3fx: kernel/bpf/verifier
ghsa_unreviewed·2022-05-13
CVE-2019-7308 [MEDIUM] GHSA-vww8-62hf-x3fx: kernel/bpf/verifier
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
OSV
linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2 vulnerabilities
osv·2019-04-02·CVSS 7.8
CVE-2018-14678 [HIGH] linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2 vulnerabilities
linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-oracle, linux-raspi2 vulnerabilities
M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not
properly set up all arguments to an error handler callback used when
running as a paravirtualized guest. An unprivileged attacker in a
paravirtualized guest VM could use this to cause a denial of service (guest
VM crash). (CVE-2018-14678)
It was discovered that the KVM implementation in the Linux kernel on ARM
64bit processors did not properly handle some ioctls. An attacker with the
privilege to create KVM-based virtual machines could use this to cause a
denial of service (host system crash) or execute arbitrary code in the
host. (CVE-2018-18021)
Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the
Ad
OSV
linux-hwe, linux-azure vulnerabilities
osv·2019-04-02·CVSS 7.8
CVE-2018-19824 [HIGH] linux-hwe, linux-azure vulnerabilities
linux-hwe, linux-azure vulnerabilities
USN-3930-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.
Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the
Advanced Linux Sound Architecture (ALSA) subsystem. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2018-19824)
Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information
leak in the Bluetooth implementation of the Linux kernel. An attacker
within Bluetooth range could use this to expose sensitive information
(kernel memory). (CVE-2019-3459, CVE-2019-3460)
Jann Horn discovered that the KVM implementation in th
OSV
linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities
osv·2019-04-02·CVSS 7.8
[HIGH] linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities
linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities
USN-3931-1 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 and for the Linux Azure kernel for Ubuntu 14.04 LTS.
M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not
properly set up all arguments to an error handler callback used when
running as a paravirtualized guest. An unprivileged attacker in a
paravirtualized guest VM could use this to cause a denial of service (guest
VM crash). (CVE-2018-14678)
It was discovered that the KVM implementation in the Linux kernel on ARM
64bit processors did not properly handle some ioctls. An attacker with
OSV
CVE-2019-7308: kernel/bpf/verifier
osv·2019-02-01·CVSS 5.6
CVE-2019-7308 [MEDIUM] CVE-2019-7308: kernel/bpf/verifier
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2019-04-02·CVSS 7.8
CVE-2018-14678 [HIGH] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3931-1 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 and for the Linux Azure kernel for Ubuntu 14.04 LTS.
M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not
properly set up all arguments to an error handler callback used when
running as a paravirtualized guest. An unprivileged attacker in a
paravirtualized guest VM could use this to cause a denial of service (guest
VM crash). (CVE-2018-14678)
It was discovered that the KVM implementation in the Linux kernel on ARM
64bit processors did not properly handle
Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2019-04-02·CVSS 7.8
CVE-2018-19824 [HIGH] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3930-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS.
Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the
Advanced Linux Sound Architecture (ALSA) subsystem. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2018-19824)
Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information
leak in the Bluetooth implementation of the Linux kernel. An attacker
within Bluetooth range could use this to expose sensitive information
(kernel memory). (CVE-2019-3459, C
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2019-04-02·CVSS 7.8
CVE-2018-14678 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
M. Vefa Bicakci and Andy Lutomirski discovered that the kernel did not
properly set up all arguments to an error handler callback used when
running as a paravirtualized guest. An unprivileged attacker in a
paravirtualized guest VM could use this to cause a denial of service (guest
VM crash). (CVE-2018-14678)
It was discovered that the KVM implementation in the Linux kernel on ARM
64bit processors did not properly handle some ioctls. An attacker with the
privilege to create KVM-based virtual machines could use this to cause a
denial of service (host system crash) or execute arbitrary code in the
host. (CVE-2018-18021)
Mathias Payer and Hui Peng discovered a use-after-free vulnerability i
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2019-04-02·CVSS 7.8
CVE-2018-19824 [HIGH] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Mathias Payer and Hui Peng discovered a use-after-free vulnerability in the
Advanced Linux Sound Architecture (ALSA) subsystem. A physically proximate
attacker could use this to cause a denial of service (system crash).
(CVE-2018-19824)
Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information
leak in the Bluetooth implementation of the Linux kernel. An attacker
within Bluetooth range could use this to expose sensitive information
(kernel memory). (CVE-2019-3459, CVE-2019-3460)
Jann Horn discovered that the KVM implementation in the Linux kernel
contained a use-after-free vulnerability. An attacker in a guest VM with
access to /dev/kvm could use this to cause a denial of
Red Hat
kernel: eBPF: Spectre v1 mitigation bypass
vendor_redhat·2019-01-03·CVSS 5.6
CVE-2019-7308 [MEDIUM] CWE-200 kernel: eBPF: Spectre v1 mitigation bypass
kernel: eBPF: Spectre v1 mitigation bypass
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
A bypass was found for the Spectre v1 hardening in the eBPF engine of the Linux kernel. The code in the kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
Package: kernel (Red Hat Enterprise Linux 5) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 7) -
Debian
CVE-2019-7308: linux - kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out...
vendor_debian·2019·CVSS 5.6
CVE-2019-7308 [MEDIUM] CVE-2019-7308: linux - kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out...
kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
Scope: local
bookworm: resolved (fixed in 4.19.20-1)
bullseye: resolved (fixed in 4.19.20-1)
forky: resolved (fixed in 4.19.20-1)
sid: resolved (fixed in 4.19.20-1)
trixie: resolved (fixed in 4.19.20-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass
bugzilla·2019-02-04·CVSS 5.6
CVE-2019-7308 [MEDIUM] CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass
CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass
A bypass was found for the spectre v1 hardening in the eBPF engine of the Linux kernel. The code in the kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.
References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1711
https://seclists.org/oss-sec/2019/q1/106
Upstream patches:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda
https://git.kernel.org/pub/scm/linu
Bugzilla
CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass [fedora-all]
bugzilla·2019-02-04·CVSS 5.6
CVE-2019-7308 [MEDIUM] CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass [fedora-all]
CVE-2019-7308 kernel: eBPF: Spectre v1 mitigation bypass [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 supported versions of Fedo
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdedahttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlhttp://www.securityfocus.com/bid/106827https://bugs.chromium.org/p/project-zero/issues/detail?id=1711https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6https://github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdedahttps://support.f5.com/csp/article/K43030517https://support.f5.com/csp/article/K43030517?utm_source=f5support&%3Butm_medium=RSShttps://usn.ubuntu.com/3930-1/https://usn.ubuntu.com/3930-2/https://usn.ubuntu.com/3931-1/https://usn.ubuntu.com/3931-2/http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdedahttp://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.htmlhttp://www.securityfocus.com/bid/106827https://bugs.chromium.org/p/project-zero/issues/detail?id=1711https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6https://github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdedahttps://support.f5.com/csp/article/K43030517https://support.f5.com/csp/article/K43030517?utm_source=f5support&%3Butm_medium=RSShttps://usn.ubuntu.com/3930-1/https://usn.ubuntu.com/3930-2/https://usn.ubuntu.com/3931-1/https://usn.ubuntu.com/3931-2/
2019-02-01
Published