CVE-2026-89792high

CVE-2026-89792: high-severity vulnerability in Linux

ksmbd: prevent out-of-bounds reads in share config responses

Published · Updated

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent out-of-bounds reads in share config responses Validate IPC share configuration payload sizes before consuming variable-length fields. Bound veto list parsing and account for the separator byte when deriving the path length.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected products
Linux · Linux
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References
https://git.kernel.org/stable/c/0127f1c119bde40578f4d25f5d17333b4e75de8chttps://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5fhttps://git.kernel.org/stable/c/cd2bcee450bc94770be56c0b896c1a1dc6838bd8https://git.kernel.org/stable/c/df8aa4a09733c4d3974b1db32c1782b3aad3a151https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34https://git.kernel.org/stable/c/fd636a87161def6e35876ab7943641ce457974c8https://git.kernel.org/stable/c/ffa507f5f774cb4d45136b106989ebc051361263