Out-of-bounds Write Affecting perf package, versions <0:4.18.0-193.28.1.el8_2
Threat Intelligence
EPSS
0.05% (16th
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-RHEL8-PERF-3821106
- published 26 Jul 2021
- disclosed 3 Sep 2020
How to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-193.28.1.el8_2 or higher.
This issue was patched in RHSA-2020:4286.
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 flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14386
- https://access.redhat.com/security/cve/CVE-2020-14386
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/
- http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=acf69c946233259ab4d64f8869d4037a198c7f06
- https://seclists.org/oss-sec/2020/q3/146
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- http://www.openwall.com/lists/oss-security/2021/09/17/2
- http://www.openwall.com/lists/oss-security/2021/09/17/4
- http://www.openwall.com/lists/oss-security/2021/09/21/1
- https://access.redhat.com/errata/RHSA-2020:4286
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RNCPXERMUHPSGF6S2VVFL5NVVPBBFB63/
CVSS Scores
version 3.1