Use After Free Affecting kernel package, versions <0:3.10.0-514.72.1.el7
Threat Intelligence
EPSS
0.06% (30th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL7-KERNEL-5179988
- published 1 Nov 2021
- disclosed 15 May 2018
Introduced: 15 May 2018
CVE-2018-20976 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel to version 0:3.10.0-514.72.1.el7 or higher.
This issue was patched in RHSA-2020:0178.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.
References
- https://seclists.org/bugtraq/2019/Nov/11
- https://security.netapp.com/advisory/ntap-20190905-0002/
- https://support.f5.com/csp/article/K10269585?utm_source=f5support&utm_medium=RSS
- https://access.redhat.com/security/cve/CVE-2018-20976
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82
- https://lists.debian.org/debian-lts-announce/2019/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://access.redhat.com/errata/RHSA-2020:0178
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://usn.ubuntu.com/4144-1/
- https://usn.ubuntu.com/4145-1/
- https://support.f5.com/csp/article/K10269585?utm_source=f5support&%3Butm_medium=RSS