Memory Leak Affecting kernel-tools-devel package, versions <0:4.14.281-212.502.amzn2
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-KERNELTOOLSDEVEL-2862859
- published 8 Jun 2022
- disclosed 23 Mar 2022
Introduced: 23 Mar 2022
CVE-2022-0854 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.281-212.502.amzn2 or higher.
This issue was patched in ALAS2-2022-1798.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0854
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
- https://www.debian.org/security/2022/dsa-5161
- https://www.debian.org/security/2022/dsa-5173
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