vulnerability
Arch Linux: Denial of service (CVE-2023-23454)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Jan 12, 2023 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jan 12, 2023
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
cbq_classify in net/sched/sch_cbq.c 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)
Solution
arch-linux-upgrade-latest
References
- CVE-2023-23454
- https://attackerkb.com/topics/CVE-2023-23454
- URL-https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12
- URL-https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- URL-https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- URL-https://www.debian.org/security/2023/dsa-5324
- URL-https://www.openwall.com/lists/oss-security/2023/01/10/1
- URL-https://www.openwall.com/lists/oss-security/2023/01/10/4
- CWE-843
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.