CVE-2022-50328: falha de alta gravidade em Linux
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
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 95% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count
which may lead to use-after-free.
So judge buffer if uptodate before put buffer head reference count.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · LinuxCVEs relacionadas — Linux
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Referências
https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebdhttps://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8ahttps://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63fhttps://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d