CVE-2025-21962
CIFS Integer Overflow Vulnerability
Description
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing closetimeo mount option User-provided mount parameter closetimeo 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, 12:44 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-2025-21962.
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-2025-21962 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21962 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) 5.15.107 up to (excluding) 5.15.180 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.0 up to (excluding) 6.1.132 *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 Added Reference Type kernel.org: https://git.kernel.org/stable/c/1c46673be93dd2954f44fe370fb4f2b8e6214224 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/513f6cf2e906a504b7ab0b62b2eea993a6f64558 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/6c13fcb7cf59ae65940da1dfea80144e42921e53 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/9968fcf02cf6b0f78fbacf3f63e782162603855a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b24edd5c191c2689c59d0509f0903f9487eb6317 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d5a30fddfe2f2e540f6c43b59cf701809995faef 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/513f6cf2e906a504b7ab0b62b2eea993a6f64558 -
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 closetimeo mount option User-provided mount parameter closetimeo 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/1c46673be93dd2954f44fe370fb4f2b8e6214224 Added Reference https://git.kernel.org/stable/c/6c13fcb7cf59ae65940da1dfea80144e42921e53 Added Reference https://git.kernel.org/stable/c/9968fcf02cf6b0f78fbacf3f63e782162603855a Added Reference https://git.kernel.org/stable/c/b24edd5c191c2689c59d0509f0903f9487eb6317 Added Reference https://git.kernel.org/stable/c/d5a30fddfe2f2e540f6c43b59cf701809995faef
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21962 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-2025-21962
weaknesses.