CVE-2025-21964

Source
https://nvd.nist.gov/vuln/detail/CVE-2025-21964
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21964.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21964
Downstream
Related
Published
2025-04-01T15:47:00.594Z
Modified
2025-11-27T19:35:23.914713Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
cifs: Fix integer overflow while processing acregmax mount option
Details

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.

Database specific
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/blob/ee626f5d79d5817bb21d6f048dc0da4c4e383443/cves/2025/21xxx/CVE-2025-21964.json"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
a13351624a6af8d91398860b8c9d4cf6c8e63de5
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
dd190168e60ac15408f074a1fe0ce36aff34027b
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
0252c33cc943e9e48ddfafaa6b1eb72adb68a099
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
833f2903eb8b70faca7967319e580e9ce69729fc
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
5f500874ab9b3cc8c169c2ab49f00b838520b9c5
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
5780464614f6abe6026f00cf5a0777aa453ba450
Fixed
7489161b1852390b4413d57f2457cd40b34da6cc

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
5.12.0
Fixed
5.15.180
Type
ECOSYSTEM
Events
Introduced
5.16.0
Fixed
6.1.132
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.84
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.20
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.8