smb: client: Fix refcount leak for cifs_sb_tlink (Linux Linux)

CVE-2025-40103
Not available

At a glance

Source
NVD
EPSS
EPSS 0.21 % · percentile 11 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifs_sb_tlink Fix three refcount inconsistency issues related to `cifs_sb_tlink`. Comments for `cifs_sb_tlink` state that `cifs_put_tlink()` needs to be called after successful calls to `cifs_sb_tlink()`. Three calls fail to update refcount accordingly, leading to possible resource leaks.

References

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 8ceb984379462f94bdebef3288d569c6e1f912ea < d3c8ea197055c260119a13360e8202a27e53e1e4 ; affected 8ceb984379462f94bdebef3288d569c6e1f912ea < 790282abe9d805f08618c1c24ea2529e7259b692 ; affected 8ceb984379462f94bdebef3288d569c6e1f912ea < d7dd034c14928306db1b46be277ae439b84dacf9 ; affected 8ceb984379462f94bdebef3288d569c6e1f912ea < e15605b68b490186da2ad8029c0351a9cfb0b9af ; affected 8ceb984379462f94bdebef3288d569c6e1f912ea < 896bb31e1416f582503db1350cf1bd10dc64e5a6 ; affected 8ceb984379462f94bdebef3288d569c6e1f912ea < c2b77f42205ef485a647f62082c442c1cd69d3fc
Linux · Linuxaffected 3.7 ; unaffected 0 < 3.7 ; unaffected 5.15.203 ≤ 5.15.* ; unaffected 6.1.158 ≤ 6.1.* ; unaffected 6.6.114 ≤ 6.6.* ; unaffected 6.12.55 ≤ 6.12.*

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