Improper Initialization Affecting kernel-cross-headers package, versions *
Threat Intelligence
EPSS
0.04% (6th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-1361229
- published 26 Jul 2021
- disclosed 12 Jun 2021
How to fix?
There is no fixed version for RHEL:8 kernel-cross-headers.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-cross-headers package and not the kernel-cross-headers package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
References
- https://access.redhat.com/security/cve/CVE-2021-34693
- https://www.debian.org/security/2021/dsa-4941
- https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076@3c-app-gmx-bs04/T/
- https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html
- https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html
- http://www.openwall.com/lists/oss-security/2021/06/15/1
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5e87ddbe3942e27e939bdc02deb8579b0cbd8ecc
- https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076%403c-app-gmx-bs04/T/
CVSS Scores
version 3.1