Memory Leak Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-425.3.1.rt7.213.el8
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-2430450
- published 21 Mar 2022
- disclosed 7 Mar 2022
Introduced: 7 Mar 2022
CVE-2022-0854 Open this link in a new tabHow to fix?
Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-modules-extra package and not the kernel-rt-debug-modules-extra package as distributed by Centos.
See How to fix? for Centos:8 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
- https://access.redhat.com/security/cve/CVE-2022-0854
- https://access.redhat.com/errata/RHSA-2022:7444
- 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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