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.
Affected products
linux: linux kernel; debian: debian linux
References10
- git.kernel.org/stable/c/5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc Patch
- git.kernel.org/stable/c/9b9aeb3ada44d8abea1e31e4446113f460848ae4 Patch
- git.kernel.org/stable/c/a5e3a144268899f1a8c445c8a3bfa15873ba85e8 Patch
- git.kernel.org/stable/c/ca3829c18c8d0ceb656605d3bff6bb3dfb078589 Patch
- git.kernel.org/stable/c/d03b79f459c7935cff830d98373474f440bd03ae Patch
- git.kernel.org/stable/c/e612c4b014f5808fbc6beae21f5ccaca5e76a2f8 Patch
- git.kernel.org/stable/c/f2d1443b18806640abdb530e88009af7be2588e7 Patch
- git.kernel.org/stable/c/fcfccf56f4eba7d00aa2d33c7bb1b33083237742 Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
- lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 11 · as of 7 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
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