CVEvulnerability
CVE-2025-40099
9.4 CRITICAL
Official page ↗
- Status
- Deferred
- Published
- 2025-10-30
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 9.4 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
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.
References
- https://git.kernel.org/stable/c/15c73964da9df994302f579ed14ee5fdbce7a332 git.kernel.org
- https://git.kernel.org/stable/c/6447b0e355562a1ff748c4a2ffb89aae7e84d2c9 git.kernel.org
- https://git.kernel.org/stable/c/8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058 git.kernel.org
- https://git.kernel.org/stable/c/bb0f2e66e1ac043a5b238f5bcab4f26f3c317039 git.kernel.org
- https://git.kernel.org/stable/c/cfacc7441f760e4a73cc71b6ff1635261d534657 git.kernel.org