CVE-2025-40099
Critical · CVSS 9.4- CVSS
- 9.4
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
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.
Affected packages
| Linux | Kernel | 4.11.0 → 6.1.158 |
| Linux | Kernel | 6.13.0 → 6.17.5 |
| Linux | Kernel | 6.2.0 → 6.6.114 |
| Linux | Kernel | 6.7.0 → 6.12.55 |
References
- https://git.kernel.org/stable/c/15c73964da9df994302f579ed14ee5fdbce7a332
- https://git.kernel.org/stable/c/6447b0e355562a1ff748c4a2ffb89aae7e84d2c9
- https://git.kernel.org/stable/c/8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058
- https://git.kernel.org/stable/c/bb0f2e66e1ac043a5b238f5bcab4f26f3c317039
- https://git.kernel.org/stable/c/cfacc7441f760e4a73cc71b6ff1635261d534657
Status: profiled · ingested 2026-07-30T12:00:00.000Z