CVE-2023-53044: falha em Linux
dm stats: check for and propagate alloc_percpu failure
Publicada em · Atualizada em
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 91% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
dm stats: check for and propagate alloc_percpu failure
Check alloc_precpu()'s return value and return an error from
dm_stats_init() if it fails. Update alloc_dev() to fail if
dm_stats_init() does.
Otherwise, a NULL pointer dereference will occur in dm_stats_cleanup()
even if dm-stats isn't being actively used.
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Referências
https://git.kernel.org/stable/c/0d96bd507ed7e7d565b6d53ebd3874686f123b2ehttps://git.kernel.org/stable/c/2287d7b721471a3d58bcd829250336e3cdf1635ehttps://git.kernel.org/stable/c/443c9d522397511a4328dc2ec3c9c63c73049756https://git.kernel.org/stable/c/4a32a9a818a895671bd43e0c40351e60e4e9140bhttps://git.kernel.org/stable/c/5b66e36a3efd24041b7374432bfa4dec2ff01e95https://git.kernel.org/stable/c/a42180dd361584816bfe15c137b665699b994d90https://git.kernel.org/stable/c/c68f08cc745675a17894e1b4a5b5b9700ace6da4https://git.kernel.org/stable/c/d3aa3e060c4a80827eb801fc448debc9daa7c46b