CVE-2026-89693

Description

In the Linux kernel, the following vulnerability has been resolved: nfsd: check nfsd4_acl_to_attr() return value in nfsd4_create() nfsd4_create() stores the return value of nfsd4_acl_to_attr() in status, but the switch(create->cr_type) block unconditionally overwrites it in every branch. ACL translation errors are silently discarded, and the CREATE proceeds without the requested ACL. Add an early exit check after nfsd4_acl_to_attr(), matching the pattern already used in nfsd4_setattr(). [ cel: prefer NFS4ERR_BADTYPE over NFS4ERR_ATTRNOTSUPP ]

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Produits concernés

• Linux

Références

• https://git.kernel.org/stable/c/26877d3a09afb3838a053867a655ca30c46a1f81
• https://git.kernel.org/stable/c/2c7912732184773dbd371a411da87af1cc080b86
• https://git.kernel.org/stable/c/2d8a8ed4f9d8637ef0f18d47d19193e7b780e90e
• https://git.kernel.org/stable/c/430ed49a16cf9ca249d0fb51490582090bc4848b
• https://git.kernel.org/stable/c/80cebb0e8a8d1e758f0d671f5e047279c5c3e528

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories