CVE-2023-31436

CVE-2023-31436

CVSS 7.8 HIGHEPSS 0.6%CWE-787

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.6%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

28 Apr 2023Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

References

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://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13 https://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d https://lists.debian.org/debian-lts-announce/2023/06/msg00008.html https://security.netapp.com/advisory/ntap-20230609-0001/https://www.debian.org/security/2023/dsa-5402 https://www.spinics.net/lists/stable-commits/msg294885.html