Buffer Overflow Affecting perf package, versions <0:4.18.0-193.el8
Threat Intelligence
EPSS
1.16% (86th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-PERF-3734014
- published 26 Jul 2021
- disclosed 11 Sep 2019
Introduced: 11 Sep 2019
CVE-2019-16746 Open this link in a new tabHow to fix?
Upgrade RHEL:8 perf to version 0:4.18.0-193.el8 or higher.
This issue was patched in RHSA-2020:1769.
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.
An issue was discovered in net/wireless/nl80211.c in the Linux kernel through 5.2.17. It does not check the length of variable elements in a beacon head, leading to a buffer overflow.
References
- https://seclists.org/bugtraq/2019/Nov/11
- https://security.netapp.com/advisory/ntap-20191031-0005/
- https://access.redhat.com/security/cve/CVE-2019-16746
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
- http://packetstormsecurity.com/files/155212/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
- https://marc.info/?l=linux-wireless&m=156901391225058&w=2
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- https://access.redhat.com/errata/RHSA-2020:1769
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://usn.ubuntu.com/4183-1/
- https://usn.ubuntu.com/4186-1/
- https://usn.ubuntu.com/4209-1/
- https://usn.ubuntu.com/4210-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TASE2ESEZAER6DTZH3DJ4K2JNO46TVL7/
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