Out-of-Bounds Affecting kernel-tools package, versions <0:4.18.0-372.9.1.el8
Threat Intelligence
EPSS
0.04% (11th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-4256712
- published 27 Oct 2021
- disclosed 20 Apr 2021
Introduced: 20 Apr 2021
CVE-2021-42739 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RHSA-2022:1988.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.
References
- https://access.redhat.com/security/cve/CVE-2021-42739
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e
- https://seclists.org/oss-sec/2021/q2/46
- https://access.redhat.com/errata/RHSA-2022:1988
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6EHZNHNHRLPC2NJKUDS5PJG5AGRYJVJN/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AOWGMZ2MJFUGNA5QSD5JF4QHIC4URATS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKMQEOEESIO3GMHAOL3NYS36FER6UTWA/
- https://security.netapp.com/advisory/ntap-20211118-0001/
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://www.debian.org/security/2022/dsa-5096
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ@mwanda/
- https://bugzilla.redhat.com/show_bug.cgi?id=1951739
- https://lore.kernel.org/linux-media/YHaulytonFcW+lyZ%40mwanda/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.starwindsoftware.com/security/sw-20220804-0001/
CVSS Scores
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