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CVE-2025-68806

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CVE-2025-68806

Published: Jan 13, 2026

Modified: May 23, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix buffer validation by including null terminator size in EA length The smb2_set_ea function, which handles Extended Attributes (EA), was performing buffer validation checks that incorrectly omitted the size of the null terminating character (+1 byte) for EA Name. This patch fixes the issue by explicitly adding '+ 1' to EaNameLength where the null terminator is expected to be present in the buffer, ensuring the validation accurately reflects the total required buffer size.

VendorProductVersions

Linux

Linux

affected
d070c4dd2a5bed4e9832eec5b6c029c7d14892ea - < cae52c592a07e1d3fa3338a5f064a374a5f26750
affected
0ba5439d9afa2722e7728df56f272c89987540a4 - < a28a375a5439eb474e9f284509a407efb479c925
affected
0ba5439d9afa2722e7728df56f272c89987540a4 - < d26af6d14da43ab92d07bc60437c62901dc522e6
affected
0ba5439d9afa2722e7728df56f272c89987540a4 - < 6dc8cf6e7998ef7aeb9383a4c2904ea5d22fa2e4
affected
0ba5439d9afa2722e7728df56f272c89987540a4 - < 95d7a890e4b03e198836d49d699408fd1867cb55

+7 more versions

Linux

Linux

affected
6.6
unaffected
0 - < 6.6
unaffected
6.1.160 - <= 6.1.*
unaffected
6.6.120 - <= 6.6.*
unaffected
6.12.64 - <= 6.12.*

+2 more versions

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