net: atm: fix /proc/net/atm/lec handling
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
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 · LinuxReferences
https://git.kernel.org/stable/c/5fe1b23a2f87f43aeeac51e08819cbc6fd808cbchttps://git.kernel.org/stable/c/9b9aeb3ada44d8abea1e31e4446113f460848ae4https://git.kernel.org/stable/c/a5e3a144268899f1a8c445c8a3bfa15873ba85e8https://git.kernel.org/stable/c/ca3829c18c8d0ceb656605d3bff6bb3dfb078589https://git.kernel.org/stable/c/d03b79f459c7935cff830d98373474f440bd03aehttps://git.kernel.org/stable/c/e612c4b014f5808fbc6beae21f5ccaca5e76a2f8https://git.kernel.org/stable/c/f2d1443b18806640abdb530e88009af7be2588e7https://git.kernel.org/stable/c/fcfccf56f4eba7d00aa2d33c7bb1b33083237742https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html