zram: fix potential UAF of zram table
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 89% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
zram: fix potential UAF of zram table
If zram_meta_alloc failed early, it frees allocated zram->table without
setting it NULL. Which will potentially cause zram_meta_free to access
the table if user reset an failed and uninitialized device.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/212fe1c0df4a150fb6298db2cfff267ceaba5402https://git.kernel.org/stable/c/571d3f6045cd3a6d9f6aec33b678f3ffe97582efhttps://git.kernel.org/stable/c/902ef8f16d5ca77edc77c30656be54186c1e99b7https://git.kernel.org/stable/c/fe3de867f94819ba0f28e035c0b0182150147d95https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html