Race Condition Affecting kernel-livepatch-4_12_14-195-default package, versions <5-13.2
Threat Intelligence
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Test your applications- Snyk IDSNYK-SLES151-KERNELLIVEPATCH41214195DEFAULT-3256424
- published14 Apr 2022
- disclosed28 Aug 2019
Introduced: 28 Aug 2019
CVE-2019-13233 (opens in a new tab)How to fix?
Upgrade SLES:15.1 kernel-livepatch-4_12_14-195-default to version 5-13.2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-195-default package and not the kernel-livepatch-4_12_14-195-default package as distributed by SLES.
See How to fix? for SLES:15.1 relevant fixed versions and status.
In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.
References
- https://www.suse.com/security/cve/CVE-2019-13233.html
- https://bugzilla.suse.com/1140454
- https://bugzilla.suse.com/1144502
- https://support.f5.com/csp/article/K13331647?utm_source=f5support&utm_medium=RSS
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
- http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
- https://access.redhat.com/errata/RHSA-2019:3309
- https://access.redhat.com/errata/RHSA-2019:3517
- https://bugs.chromium.org/p/project-zero/issues/detail?id=1879
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323
- https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323
- https://seclists.org/bugtraq/2019/Aug/13
- https://security.netapp.com/advisory/ntap-20190806-0001/
- https://support.f5.com/csp/article/K13331647?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/4093-1/
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4117-1/
- https://usn.ubuntu.com/4118-1/
- https://www.debian.org/security/2019/dsa-4495