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CVE-2023-23454

Published: Jan 12, 2023

Modified: Mar 20, 2025

PUBLISHED

Description

cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://www.openwall.com/lists/oss-security/2023/01/10/1

https://www.openwall.com/lists/oss-security/2023/01/10/4

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12

vendor-advisory

[debian-lts-announce] 20230302 [SECURITY] [DLA 3349-1] linux-5.10 security update

mailing-list

[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update

mailing-list

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