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Description

In the Linux kernel, the following vulnerability has been resolved: cifs: parse_dfs_referrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS - reply smaller than sizeof(struct get_dfs_referral_rsp) - reply with number of referrals smaller than NumberOfReferrals in the header Processing of such replies will cause oob. Return -EINVAL error on such replies to prevent oob-s.

PUBLISHED Reserved 2025-04-16 | Published 2025-10-30 | Updated 2026-05-11 | Assigner Linux

Product status

Default status
unaffected

4ecce920e13ace16a5ba45efe8909946c28fb2ad (git) before cfacc7441f760e4a73cc71b6ff1635261d534657
affected

4ecce920e13ace16a5ba45efe8909946c28fb2ad (git) before 15c73964da9df994302f579ed14ee5fdbce7a332
affected

4ecce920e13ace16a5ba45efe8909946c28fb2ad (git) before 8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058
affected

4ecce920e13ace16a5ba45efe8909946c28fb2ad (git) before bb0f2e66e1ac043a5b238f5bcab4f26f3c317039
affected

4ecce920e13ace16a5ba45efe8909946c28fb2ad (git) before 6447b0e355562a1ff748c4a2ffb89aae7e84d2c9
affected

Default status
affected

4.11
affected

Any version before 4.11
unaffected

6.1.158 (semver)
unaffected

6.6.114 (semver)
unaffected

6.12.55 (semver)
unaffected

6.17.5 (semver)
unaffected

6.18 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/cfacc7441f760e4a73cc71b6ff1635261d534657

git.kernel.org/...c/15c73964da9df994302f579ed14ee5fdbce7a332

git.kernel.org/...c/8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058

git.kernel.org/...c/bb0f2e66e1ac043a5b238f5bcab4f26f3c317039

git.kernel.org/...c/6447b0e355562a1ff748c4a2ffb89aae7e84d2c9

cve.org (CVE-2025-40099)

nvd.nist.gov (CVE-2025-40099)

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