CVE-2023-31436
- State
- Published
- Severity
- 7.8 High
- Published
- Apr 28, 2023
- Updated
- Oct 14, 2026
- Reserved
- Apr 28, 2023
Description
qfq_change_class in net/sched/sch_qfq.c in the Linux kernel before 6.2.13 allows an out-of-bounds write because lmax can exceed QFQ_MIN_LMAX.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-787 Out-of-bounds Write
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d
- https://www.spinics.net/lists/stable-commits/msg294885.html
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13
- DSA-5402vendor-advisory
- [debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security updatemailing-list
- https://security.netapp.com/advisory/ntap-20230609-0001/
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- http://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
- http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-806742.html
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