CVE-2026-64379

HIGH

7.1

CVSS Severity Score

EPSS Score0.1770%

EPSS Percentile7.47th

Published2026-07-25

Last Modified2026-07-27

Data SourcesNVDFIRST.org EPSS

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provided sub_auth[2] value from the NFS mode SID to cf_mode without masking to 07777. Apply the correct masking, same as in the read path.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://git.kernel.org/stable/c/08c600b7e1818539ba5efee4cdb06215c245ca78

🔗 https://git.kernel.org/stable/c/5f6f2241034f189c69d4d0b5f8fe24a0c25b0c14

🔗 https://git.kernel.org/stable/c/b84e002e0df26bbc6cbd3ca01b8212601fe0ae7d

🔗 https://git.kernel.org/stable/c/c6c484a7d5bff6b929a86d7ed5130f29834c6a0d

🔗 https://git.kernel.org/stable/c/e3d9c7160d483fc8f9e225aafad8ecbbc43f3151

🔗 https://git.kernel.org/stable/c/ee2216dbdf0c677e89bb43e03247dba590ed00ef

🔗 https://git.kernel.org/stable/c/f511807feee7cb29b61bdfa86472c7e9e2e5df94

🔗 https://git.kernel.org/stable/c/f80add1bfb3425100a325b14f19648e75669a954

Vulnerability Description

Affected Platforms (CPE)

References & Advisories

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