CVE-2018-1068
published 2018-03-16CVE-2018-1068: A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a…
PriorityP427medium6.7CVSS 3.1
AVLACLPRHUINSUCHIHAH
EPSS
0.45%
36.8th percentile
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
Affected
31 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| canonical | ubuntu_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | debian_linux | — | — |
| debian | linux | < linux 4.15.11-1 (bookworm) | linux 4.15.11-1 (bookworm) |
| linux | linux_kernel | < 3.2.102 | 3.2.102 |
| linux | linux_kernel | >= 0 < 4.15.11-1 | 4.15.11-1 |
| linux | linux_kernel | >= 0 < 4.15.11-1 | 4.15.11-1 |
| linux | linux_kernel | >= 0 < 4.15.11-1 | 4.15.11-1 |
| linux | linux_kernel | >= 0 < 4.15.11-1 | 4.15.11-1 |
| linux | linux_kernel | >= 0 < 3.13.0-151.201 | 3.13.0-151.201 |
| linux | linux_kernel | >= 0 < 4.4.0-127.153 | 4.4.0-127.153 |
| linux | linux_kernel | >= 3.17 < 3.18.100 | 3.18.100 |
| linux | linux_kernel | >= 3.19 < 4.1.51 | 4.1.51 |
| linux | linux_kernel | >= 3.3 < 3.16.57 | 3.16.57 |
| linux | linux_kernel | >= 4.10 < 4.14.27 | 4.14.27 |
| linux | linux_kernel | >= 4.15 < 4.15.10 | 4.15.10 |
| linux | linux_kernel | >= 4.2 < 4.4.122 | 4.4.122 |
| linux | linux_kernel | >= 4.5 < 4.9.88 | 4.9.88 |
| linux_kernel_organization_inc | linux_kernel | — | — |
| redhat | enterprise_linux_desktop | — | — |
| redhat | enterprise_linux_server | — | — |
CVSS provenance
nvdv3.16.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
osv6.7MEDIUM
vendor_debian6.7MEDIUM
vendor_redhat6.7MEDIUM
vendor_ubuntu6.7MEDIUM
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Ubuntu
Linux kernel (HWE) vulnerabilities
vendor_ubuntu·2018-06-12·CVSS 6.7
CVE-2018-1068 [MEDIUM] Linux kernel (HWE) vulnerabilities
Title: Linux kernel (HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (syst
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 6.7
CVE-2018-1068 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (system crash) when mounted. (CVE-2018-1092)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use th
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 4.7
CVE-2017-0627 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7492)
Eyal Itkin discovered that the USB displaylink video adapter driver in the
Linux kernel did not properly validate mmap offsets sent from userspace. A
local attacker could use this to expose sensitive information (kernel
m
Ubuntu
Linux kernel (Trusty HWE) vulnerabilities
vendor_ubuntu·2018-06-11·CVSS 4.7
CVE-2017-0627 [MEDIUM] Linux kernel (Trusty HWE) vulnerabilities
Title: Linux kernel (Trusty HWE) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
USN-3674-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 14.04 LTS for Ubuntu
12.04 ESM.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were addressed in the Linux kernel.
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial o
Ubuntu
Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Title: Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered that a buffer overflow existed in the Hisilicon HNS
Ethernet Device driver in the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-18222)
It w
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities
vendor_ubuntu·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] Linux kernel (Xenial HWE) vulnerabilities
Title: Linux kernel (Xenial HWE) vulnerabilities
Summary: Several security issues were addressed in the Linux kernel.
USN-3654-1 fixed vulnerabilities and added mitigations in the Linux
kernel for Ubuntu 16.04 LTS. This update provides the corresponding
updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu
16.04 LTS for Ubuntu 14.04 LTS.
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use t
Red Hat
kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
vendor_redhat·2018-03-05·CVSS 6.7
CVE-2018-1068 [MEDIUM] CWE-119 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
A flaw was found in the Linux kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
Package: kernel (Red Hat Enterprise Linux 5) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Not affected
Package: kernel (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-1068: linux - A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall inte...
vendor_debian·2018·CVSS 6.7
CVE-2018-1068 [MEDIUM] CVE-2018-1068: linux - A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall inte...
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
Scope: local
bookworm: resolved (fixed in 4.15.11-1)
bullseye: resolved (fixed in 4.15.11-1)
forky: resolved (fixed in 4.15.11-1)
sid: resolved (fixed in 4.15.11-1)
trixie: resolved (fixed in 4.15.11-1)
GHSA
GHSA-xfrv-5h7j-4qvx: A flaw was found in the Linux 4
ghsa_unreviewed·2022-05-14
CVE-2018-1068 [HIGH] CWE-119 GHSA-xfrv-5h7j-4qvx: A flaw was found in the Linux 4
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
OSV
linux-hwe, linux-gcp, linux-oem vulnerabilities
osv·2018-06-12·CVSS 6.7
CVE-2018-1068 [MEDIUM] linux-hwe, linux-gcp, linux-oem vulnerabilities
linux-hwe, linux-gcp, linux-oem vulnerabilities
USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10.
This update provides the corresponding updates for the Linux Hardware
Enablement (HWE) kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS.
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
Wen Xu discovered that the ext4 filesystem implementation in the Linux
kernel did not properly handle corrupted meta data in some situations. An
attacker could use this to specially craft an ext4 file system that caused
a denial of service (system crash) when mounted. (CVE-2018-1092)
It was discovered t
OSV
linux vulnerabilities
osv·2018-06-11·CVSS 4.7
CVE-2018-1068 [MEDIUM] linux vulnerabilities
linux vulnerabilities
It was discovered that the netfilter subsystem of the Linux kernel did not
properly validate ebtables offsets. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2018-1068)
It was discovered that a NULL pointer dereference existed in the RDS
(Reliable Datagram Sockets) protocol implementation in the Linux kernel. A
local attacker could use this to cause a denial of service (system crash).
(CVE-2018-7492)
Eyal Itkin discovered that the USB displaylink video adapter driver in the
Linux kernel did not properly validate mmap offsets sent from userspace. A
local attacker could use this to expose sensitive information (kernel
memory) or possibly execute arbitrary code. (CVE-2018-8781)
Xingyuan Lin discove
OSV
linux, linux-aws, linux-kvm, vulnerabilities
osv·2018-05-22·CVSS 5.5
CVE-2018-3639 [MEDIUM] linux, linux-aws, linux-kvm, vulnerabilities
linux, linux-aws, linux-kvm, vulnerabilities
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered
OSV
linux-lts-xenial, linux-aws vulnerabilities
osv·2018-05-22·CVSS 5.5
[MEDIUM] linux-lts-xenial, linux-aws vulnerabilities
linux-lts-xenial, linux-aws vulnerabilities
USN-3654-1 fixed vulnerabilities and added mitigations in the Linux
kernel for Ubuntu 16.04 LTS. This update provides the corresponding
updates for the Linux Hardware Enablement (HWE) kernel from Ubuntu
16.04 LTS for Ubuntu 14.04 LTS.
Jann Horn and Ken Johnson discovered that microprocessors utilizing
speculative execution of a memory read may allow unauthorized memory
reads via a sidechannel attack. This flaw is known as Spectre
Variant 4. A local attacker could use this to expose sensitive
information, including kernel memory. (CVE-2018-3639)
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitra
OSV
linux-raspi2, linux-snapdragon vulnerabilities
osv·2018-05-22·CVSS 5.5
CVE-2017-17975 [MEDIUM] linux-raspi2, linux-snapdragon vulnerabilities
linux-raspi2, linux-snapdragon vulnerabilities
Tuba Yavuz discovered that a double-free error existed in the USBTV007
driver of the Linux kernel. A local attacker could use this to cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2017-17975)
It was discovered that a race condition existed in the F2FS implementation
in the Linux kernel. A local attacker could use this to cause a denial of
service (system crash). (CVE-2017-18193)
It was discovered that a buffer overflow existed in the Hisilicon HNS
Ethernet Device driver in the Linux kernel. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-18222)
It was discovered that the netfilter subsystem in the Linux kernel did not
validate that
OSV
CVE-2018-1068: A flaw was found in the Linux 4
osv·2018-03-16·CVSS 6.7
CVE-2018-1068 [MEDIUM] CVE-2018-1068: A flaw was found in the Linux 4
A flaw was found in the Linux 4.x kernel's implementation of 32-bit syscall interface for bridging. This allowed a privileged user to arbitrarily write to a limited range of kernel memory.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c [fedora-all]
bugzilla·2018-03-16·CVSS 6.7
CVE-2018-1068 [MEDIUM] CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c [fedora-all]
CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c [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
Bugzilla
CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
bugzilla·2018-03-06·CVSS 6.7
CVE-2018-1068 [MEDIUM] CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
CVE-2018-1068 kernel: Out-of-bounds write via userland offsets in ebt_entry struct in netfilter/ebtables.c
A flaw was found in the latest Linux kernel. A out-of-bounds write of kernel address space may be triggered via uncontrolled userland provided offset in ebt_entry struct in netfilter/ebtables.c.
References:
https://marc.info/?l=linux-netdev&m=152023808817590&w=2
https://marc.info/?l=linux-netdev&m=152025888924151&w=2
An upsteam patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6
https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6
Discussion:
Notes:
The related permission check in the kernel code is as follows:
[ net/bridge/netfilter/ebtables.c ]
static int compat_do_ebt_s
http://www.securityfocus.com/bid/103459https://access.redhat.com/errata/RHSA-2018:1318https://access.redhat.com/errata/RHSA-2018:1355https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2019:1170https://access.redhat.com/errata/RHSA-2019:1190https://access.redhat.com/errata/RHSA-2019:4159https://bugzilla.redhat.com/show_bug.cgi?id=1552048https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://marc.info/?l=linux-netdev&m=152023808817590&w=2https://marc.info/?l=linux-netdev&m=152025888924151&w=2https://usn.ubuntu.com/3654-1/https://usn.ubuntu.com/3654-2/https://usn.ubuntu.com/3656-1/https://usn.ubuntu.com/3674-1/https://usn.ubuntu.com/3674-2/https://usn.ubuntu.com/3677-1/https://usn.ubuntu.com/3677-2/https://www.debian.org/security/2018/dsa-4187https://www.debian.org/security/2018/dsa-4188http://www.securityfocus.com/bid/103459https://access.redhat.com/errata/RHSA-2018:1318https://access.redhat.com/errata/RHSA-2018:1355https://access.redhat.com/errata/RHSA-2018:2948https://access.redhat.com/errata/RHSA-2019:1170https://access.redhat.com/errata/RHSA-2019:1190https://access.redhat.com/errata/RHSA-2019:4159https://bugzilla.redhat.com/show_bug.cgi?id=1552048https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd0254471331b9c4c4c6https://github.com/torvalds/linux/commit/b71812168571fa55e44cdd0254471331b9c4c4c6https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlhttps://marc.info/?l=linux-netdev&m=152023808817590&w=2https://marc.info/?l=linux-netdev&m=152025888924151&w=2https://usn.ubuntu.com/3654-1/https://usn.ubuntu.com/3654-2/https://usn.ubuntu.com/3656-1/https://usn.ubuntu.com/3674-1/https://usn.ubuntu.com/3674-2/https://usn.ubuntu.com/3677-1/https://usn.ubuntu.com/3677-2/https://www.debian.org/security/2018/dsa-4187https://www.debian.org/security/2018/dsa-4188
2018-03-16
Published