CVE-2026-89792
ksmbd: prevent out-of-bounds reads in share config responses
CVSS Score
7.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Sep 16, 2026 |
| Last Updated | Oct 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
88b7f1143b15b29cccb8392b4f38e75b7bb3e300 < df8aa4a09733c4d3974b1db32c1782b3aad3a151 51a6c2af9d20203ddeeaf73314ba8854b38d01bd < 0127f1c119bde40578f4d25f5d17333b4e75de8c a637fabac554270a851033f5ab402ecb90bc479c < fd636a87161def6e35876ab7943641ce457974c8 a677ebd8ca2f2632ccdecbad7b87641274e15aac < ffa507f5f774cb4d45136b106989ebc051361263 a677ebd8ca2f2632ccdecbad7b87641274e15aac < cd2bcee450bc94770be56c0b896c1a1dc6838bd8 a677ebd8ca2f2632ccdecbad7b87641274e15aac < 61a8d06600c8c397f9a7e01940479d4c94a82f5f a677ebd8ca2f2632ccdecbad7b87641274e15aac < f25e93768fcc5d8287e50b1ec52a42e4c276df34 76af689a45aa44714b46d1a7de4ffdf851ded896 5.15.157 < 5.15.222 6.1.85 < 6.1.189 6.6.26 < 6.6.158 6.8.5 < 6.9
Linux / Linux
6.9
References
git.kernel.org: https://git.kernel.org/stable/c/df8aa4a09733c4d3974b1db32c1782b3aad3a151 git.kernel.org: https://git.kernel.org/stable/c/0127f1c119bde40578f4d25f5d17333b4e75de8c git.kernel.org: https://git.kernel.org/stable/c/fd636a87161def6e35876ab7943641ce457974c8 git.kernel.org: https://git.kernel.org/stable/c/ffa507f5f774cb4d45136b106989ebc051361263 git.kernel.org: https://git.kernel.org/stable/c/cd2bcee450bc94770be56c0b896c1a1dc6838bd8 git.kernel.org: https://git.kernel.org/stable/c/61a8d06600c8c397f9a7e01940479d4c94a82f5f git.kernel.org: https://git.kernel.org/stable/c/f25e93768fcc5d8287e50b1ec52a42e4c276df34