CVE-2025-21964
Linux Kernel CIFS Integer Overflow Vulnerability
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.
INFO
Published Date :
April 1, 2025, 4:15 p.m.
Last Modified :
April 14, 2025, 12:40 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-21964.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-21964 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21964 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 14, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-190 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.14:rc6:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.84 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.20 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.8 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.12 up to (excluding) 5.15.180 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.132 Added Reference Type kernel.org: https://git.kernel.org/stable/c/0252c33cc943e9e48ddfafaa6b1eb72adb68a099 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/5f500874ab9b3cc8c169c2ab49f00b838520b9c5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7489161b1852390b4413d57f2457cd40b34da6cc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/833f2903eb8b70faca7967319e580e9ce69729fc Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/a13351624a6af8d91398860b8c9d4cf6c8e63de5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/dd190168e60ac15408f074a1fe0ce36aff34027b Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 10, 2025
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/a13351624a6af8d91398860b8c9d4cf6c8e63de5 -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 01, 2025
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/0252c33cc943e9e48ddfafaa6b1eb72adb68a099 Added Reference https://git.kernel.org/stable/c/5f500874ab9b3cc8c169c2ab49f00b838520b9c5 Added Reference https://git.kernel.org/stable/c/7489161b1852390b4413d57f2457cd40b34da6cc Added Reference https://git.kernel.org/stable/c/833f2903eb8b70faca7967319e580e9ce69729fc Added Reference https://git.kernel.org/stable/c/dd190168e60ac15408f074a1fe0ce36aff34027b
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21964 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-21964
weaknesses.