Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Check validity of link->type in bpf_link_show_fdinfo() If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access. To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.
Product status
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before 79f87a6ec39fb5968049a6775a528bf58b25c20a
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before 24fec234d2ba9ca3c14e545ebe3fd6dcb47f074d
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before 4e8074bb33d18f56af30a0252cb3606d27eb1c13
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before d5092b0a1aaf35d77ebd8d33384d7930bec5cb5d
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before b3eb1b6a9f745d6941b345f0fae014dc8bb06d36
70ed506c3bbcfa846d4636b23051ca79fa4781f7 (git) before 8421d4c8762bd022cb491f2f0f7019ef51b4f0a7
5.7
Any version before 5.7
5.10.233 (semver)
5.15.176 (semver)
6.1.123 (semver)
6.6.62 (semver)
6.11.9 (semver)
6.12 (original_commit_for_fix)
References
lists.debian.org/debian-lts-announce/2025/03/msg00001.html
lists.debian.org/debian-lts-announce/2025/03/msg00002.html
git.kernel.org/...c/79f87a6ec39fb5968049a6775a528bf58b25c20a
git.kernel.org/...c/24fec234d2ba9ca3c14e545ebe3fd6dcb47f074d
git.kernel.org/...c/4e8074bb33d18f56af30a0252cb3606d27eb1c13
git.kernel.org/...c/d5092b0a1aaf35d77ebd8d33384d7930bec5cb5d
git.kernel.org/...c/b3eb1b6a9f745d6941b345f0fae014dc8bb06d36
git.kernel.org/...c/8421d4c8762bd022cb491f2f0f7019ef51b4f0a7