atm: clip: Fix memory leak of struct clip_vcc.
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.2%
probabilidade de exploração
0.2%top 94% das CVEs
exploração observada
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In the Linux kernel, the following vulnerability has been resolved:
atm: clip: Fix memory leak of struct clip_vcc.
ioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to
vcc->user_back.
The code assumes that vcc_destroy_socket() passes NULL skb
to vcc->push() when the socket is close()d, and then clip_push()
frees clip_vcc.
However, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in
atm_init_atmarp(), resulting in memory leak.
Let's serialise two ioctl() by lock_sock() and check vcc->push()
in atm_init_atmarp() to prevent memleak.
Produtos afetados
Linux · LinuxReferências
https://git.kernel.org/stable/c/0c17ff462d98c997d707ee5cf4e4a9b1b52b9d90https://git.kernel.org/stable/c/1c075e88d5859a2c6b43b27e0e46fb281cef8039https://git.kernel.org/stable/c/1fb9fb5a4b5cec2d56e26525ef8c519de858fa60https://git.kernel.org/stable/c/2fb37ab3226606cbfc9b2b6f9e301b0b735734c5https://git.kernel.org/stable/c/62dba28275a9a3104d4e33595c7b3328d4032d8dhttps://git.kernel.org/stable/c/9e4dbeee56f614e3f1e166e5d0655a999ea185efhttps://git.kernel.org/stable/c/9f771816f14da6d6157a8c30069091abf6b566fbhttps://git.kernel.org/stable/c/cb2e4a2f8f268d8fba6662f663a2e57846f14a8dhttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html