CVEvulnerability
CVE-2023-23454
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-01-12
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-843
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).
Affected configurations
• linux linux kernel (>= 2.6.12 <= 6.1.4)
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-843 Access of Resource Using Incompatible Type weakness
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12 Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html lists.debian.org
- https://www.debian.org/security/2023/dsa-5324 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/10/1 Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/10/4 Mailing List, Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=caa4b35b4317d5147b3ab0fbdc9c075c7d2e9c12 Patch, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html lists.debian.org
- https://www.debian.org/security/2023/dsa-5324 Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/10/1 Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2023/01/10/4 Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html cert-portal.siemens.com