Use of a Broken or Risky Cryptographic Algorithm Affecting kernel-tools package, versions <0:4.18.0-372.75.1.el8_6
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-5956376
- published 25 Jun 2023
- disclosed 7 Jun 2023
Introduced: 7 Jun 2023
CVE-2023-1206 Open this link in a new tabHow to fix?
Upgrade RHEL:8 kernel-tools to version 0:4.18.0-372.75.1.el8_6 or higher.
This issue was patched in RHSA-2023:5627.
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.
A hash collision flaw was found in the IPv6 connection lookup table in the Linux kernel’s IPv6 functionality when a user makes a new kind of SYN flood attack. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95%.
References
- https://access.redhat.com/security/cve/CVE-2023-1206
- https://bugzilla.redhat.com/show_bug.cgi?id=2175903
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://security.netapp.com/advisory/ntap-20230929-0006/
- https://www.debian.org/security/2023/dsa-5480
- https://www.debian.org/security/2023/dsa-5492