cifs: Fix integer overflow while processing acregmax mount option (Linux Linux)

CVE-2025-21964
MEDIUM 5.5

At a glance

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

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acregmax mount option User-provided mount parameter acregmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Weaknesses (CWE)

  • CWE-190 — Integer Overflow or Wraparound

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 5780464614f6abe6026f00cf5a0777aa453ba450 < a13351624a6af8d91398860b8c9d4cf6c8e63de5 ; affected 5780464614f6abe6026f00cf5a0777aa453ba450 < dd190168e60ac15408f074a1fe0ce36aff34027b ; affected 5780464614f6abe6026f00cf5a0777aa453ba450 < 0252c33cc943e9e48ddfafaa6b1eb72adb68a099 ; affected 5780464614f6abe6026f00cf5a0777aa453ba450 < 833f2903eb8b70faca7967319e580e9ce69729fc ; affected 5780464614f6abe6026f00cf5a0777aa453ba450 < 5f500874ab9b3cc8c169c2ab49f00b838520b9c5 ; affected 5780464614f6abe6026f00cf5a0777aa453ba450 < 7489161b1852390b4413d57f2457cd40b34da6cc
Linux · Linuxaffected 5.12 ; unaffected 0 < 5.12 ; unaffected 5.15.180 ≤ 5.15.* ; unaffected 6.1.132 ≤ 6.1.* ; unaffected 6.6.84 ≤ 6.6.* ; unaffected 6.12.20 ≤ 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