cifs: parse_dfs_referrals: prevent oob on malformed input (Linux Linux)

CVE-2025-40099
CRITICAL 9.4

At a glance

Source
NVD
EPSS
EPSS 0.41 % · percentile 35 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

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

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:HLinux
CVSS 3.1CRITICAL 9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 4ecce920e13ace16a5ba45efe8909946c28fb2ad < cfacc7441f760e4a73cc71b6ff1635261d534657 ; affected 4ecce920e13ace16a5ba45efe8909946c28fb2ad < 15c73964da9df994302f579ed14ee5fdbce7a332 ; affected 4ecce920e13ace16a5ba45efe8909946c28fb2ad < 8bc4a8d39bac23d8b044fd3e2dbfd965f1d9b058 ; affected 4ecce920e13ace16a5ba45efe8909946c28fb2ad < bb0f2e66e1ac043a5b238f5bcab4f26f3c317039 ; affected 4ecce920e13ace16a5ba45efe8909946c28fb2ad < 6447b0e355562a1ff748c4a2ffb89aae7e84d2c9
Linux · Linuxaffected 4.11 ; unaffected 0 < 4.11 ; unaffected 6.1.158 ≤ 6.1.* ; unaffected 6.6.114 ≤ 6.6.* ; unaffected 6.12.55 ≤ 6.12.* ; unaffected 6.17.5 ≤ 6.17.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD