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 products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
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 ↗
- https://www.debian.org/security/2023/dsa-5324 ↗
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html ↗
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html ↗