Use After Free Affecting kernel-tools-libs-devel package, versions <0:3.10.0-1127.el7
Threat Intelligence
EPSS
0.11% (46th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELTOOLSLIBSDEVEL-2152555
- published 26 Jul 2021
- disclosed 4 Jul 2019
Introduced: 4 Jul 2019
CVE-2019-13233 Open this link in a new tabHow to fix?
Upgrade Centos:7
kernel-tools-libs-devel
to version 0:3.10.0-1127.el7 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel
package and not the kernel-tools-libs-devel
package as distributed by Centos
.
See How to fix?
for Centos:7
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://seclists.org/bugtraq/2019/Aug/13
- https://security.netapp.com/advisory/ntap-20190806-0001/
- https://support.f5.com/csp/article/K13331647?utm_source=f5support&utm_medium=RSS
- https://access.redhat.com/security/cve/CVE-2019-13233
- https://www.debian.org/security/2019/dsa-4495
- http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
- 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://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323
- https://access.redhat.com/errata/RHSA-2020:1016
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
- 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://support.f5.com/csp/article/K13331647?utm_source=f5support&%3Butm_medium=RSS