Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-tools package, versions <0:4.18.0-372.9.1.el8
Threat Intelligence
EPSS
0.05% (19th
percentile)
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Test your applications- Snyk ID SNYK-ROCKY8-KERNELTOOLS-3194931
- published 5 Jan 2023
- disclosed 25 Dec 2021
Introduced: 25 Dec 2021
CVE-2021-45486 Open this link in a new tabHow to fix?
Upgrade Rocky-Linux:8 kernel-tools to version 0:4.18.0-372.9.1.el8 or higher.
This issue was patched in RLSA-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 Rocky-Linux.
See How to fix? for Rocky-Linux:8 relevant fixed versions and status.
In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45486
- https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-45486.json
- https://arxiv.org/pdf/2112.09604.pdf
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/ipv4/route.c?id=aa6dd211e4b1dde9d5dc25d699d35f789ae7eeba
- https://www.oracle.com/security-alerts/cpujul2022.html
CVSS Scores
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