CVE-2023-35788 Information

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.

Reference

https://www.openwall.com/lists/oss-security/2023/06/07/1 https://git.kernel.org/linus/4d56304e5827c8cc8cc18c75343d283af7c4825c https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.7