Resource Exhaustion Affecting perf package, versions <0:4.18.0-305.el8
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3993345
- published 26 Jul 2021
- disclosed 4 May 2020
Introduced: 4 May 2020
CVE-2020-12114 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-305.el8 or higher.
This issue was patched in RHSA-2021:1578.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before 4.19.119, and 5.x before 5.3 allows local users to cause a denial of service (panic) by corrupting a mountpoint reference counter.
References
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://access.redhat.com/security/cve/CVE-2020-12114
- https://www.debian.org/security/2020/dsa-4698
- https://www.debian.org/security/2020/dsa-4699
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- http://www.openwall.com/lists/oss-security/2020/05/04/2
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://access.redhat.com/errata/RHSA-2021:1578
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- https://usn.ubuntu.com/4387-1/
- https://usn.ubuntu.com/4388-1/
- https://usn.ubuntu.com/4389-1/
- https://usn.ubuntu.com/4390-1/
- https://usn.ubuntu.com/4391-1/
- https://usn.ubuntu.com/4392-1/