CVE-2025-38653: falha de alta gravidade em Linux
proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al
Publicada em · Atualizada em
21Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 7.8epss 0.2%
probabilidade de exploração
0.2%top 93% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
proc: use the same treatment to check proc_lseek as ones for proc_read_iter et.al
Check pde->proc_ops->proc_lseek directly may cause UAF in rmmod scenario.
It's a gap in proc_reg_open() after commit 654b33ada4ab("proc: fix UAF in
proc_get_inode()"). Followed by AI Viro's suggestion, fix it in same
manner.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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Referências
https://git.kernel.org/stable/c/1fccbfbae1dd36198dc47feac696563244ad81d3https://git.kernel.org/stable/c/33c778ea0bd0fa62ff590497e72562ff90f82b13https://git.kernel.org/stable/c/c35b0feb80b48720dfbbf4e33759c7be3faaebb6https://git.kernel.org/stable/c/d136502e04d8853a9aecb335d07bbefd7a1519a8https://git.kernel.org/stable/c/fc1072d934f687e1221d685cf1a49a5068318f34https://git.kernel.org/stable/c/ff7ec8dc1b646296f8d94c39339e8d3833d16c05https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html