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CVE-2026-89792

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

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected 88b7f1143b15b29cccb8392b4f38e75b7bb3e300 before df8aa4a09733c4d3974b1db32c1782b3aad3a151; affected 51a6c2af9d20203ddeeaf73314ba8854b38d01bd before 0127f1c119bde40578f4d25f5d17333b4e75de8c; affected a637fabac554270a851033f5ab402ecb90bc479c before fd636a87161def6e35876ab7943641ce457974c8; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac before ffa507f5f774cb4d45136b106989ebc051361263; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac before cd2bcee450bc94770be56c0b896c1a1dc6838bd8; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac before 61a8d06600c8c397f9a7e01940479d4c94a82f5f; affected a677ebd8ca2f2632ccdecbad7b87641274e15aac before f25e93768fcc5d8287e50b1ec52a42e4c276df34; affected 76af689a45aa44714b46d1a7de4ffdf851ded896; affected 5.15.157 before 5.15.222; affected 6.1.85 before 6.1.189; affected 6.6.26 before 6.6.158; affected 6.8.5 before 6.9
Linux / Linuxaffected 6.9; unaffected 0 before 6.9; unaffected 5.15.222 through 5.15.*; unaffected 6.1.189 through 6.1.*; unaffected 6.6.158 through 6.6.*; unaffected 6.12.111 through 6.12.*; unaffected 6.18.53 through 6.18.*; unaffected 7.2.6 through 7.2.*; unaffected 7.3 through *

CWE

No CWE identifiers supplied.

References