Description
In the Linux kernel, the following vulnerability has been resolved: net: atm: fix /proc/net/atm/lec handling /proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.
Product status
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before fcfccf56f4eba7d00aa2d33c7bb1b33083237742
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before f2d1443b18806640abdb530e88009af7be2588e7
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before ca3829c18c8d0ceb656605d3bff6bb3dfb078589
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before e612c4b014f5808fbc6beae21f5ccaca5e76a2f8
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before a5e3a144268899f1a8c445c8a3bfa15873ba85e8
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 9b9aeb3ada44d8abea1e31e4446113f460848ae4
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before d03b79f459c7935cff830d98373474f440bd03ae
2.6.12
Any version before 2.6.12
5.4.295 (semver)
5.10.239 (semver)
5.15.186 (semver)
6.1.142 (semver)
6.6.95 (semver)
6.12.35 (semver)
6.15.4 (semver)
6.16 (original_commit_for_fix)
References
lists.debian.org/debian-lts-announce/2025/10/msg00008.html
lists.debian.org/debian-lts-announce/2025/10/msg00007.html
git.kernel.org/...c/fcfccf56f4eba7d00aa2d33c7bb1b33083237742
git.kernel.org/...c/f2d1443b18806640abdb530e88009af7be2588e7
git.kernel.org/...c/ca3829c18c8d0ceb656605d3bff6bb3dfb078589
git.kernel.org/...c/e612c4b014f5808fbc6beae21f5ccaca5e76a2f8
git.kernel.org/...c/a5e3a144268899f1a8c445c8a3bfa15873ba85e8
git.kernel.org/...c/5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc
git.kernel.org/...c/9b9aeb3ada44d8abea1e31e4446113f460848ae4
git.kernel.org/...c/d03b79f459c7935cff830d98373474f440bd03ae