cve/2023/CVE-2023-35788.md

CVE-2023-35788

Description

An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets. This may result in denial of service or privilege escalation.

POC

Reference

• http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
• https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7

Github

No PoCs found on GitHub currently.