In the Linux kernel, the following vulnerability has been resolved:
cachestat: fix page cache statistics permission checking
When the 'cachestat()' system call was added in commit cf264e1329fb
("cachestat: implement cachestat syscall"), it was meant to be a much
more convenient (and performant) version of mincore() that didn't need
mapping things into the user virtual address space in order to work.
But it ended up missing the "check for writability or ownership" fix for
mincore(), done in commit 134fca9063ad ("mm/mincore.c: make mincore()
more conservative").
This just adds equivalent logic to 'cachestat()', modified for the file
context (rather than vma).
References
Configurations
Configuration 1 (hide)
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History
15 Oct 2025, 16:25
Type | Values Removed | Values Added |
---|---|---|
CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:6.13:*:*:*:*:*:*:* |
|
CWE | NVD-CWE-noinfo | |
Summary |
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References | () https://git.kernel.org/stable/c/5f537664e705b0bf8b7e329861f20128534f6a83 - Patch | |
References | () https://git.kernel.org/stable/c/780ab8329672464984cf1344bd5c3993af0226c7 - Patch | |
References | () https://git.kernel.org/stable/c/7d6405c13b0d8a8367cd8df63f118b619a3f0dd2 - Patch | |
References | () https://git.kernel.org/stable/c/97153a05077f618f7471f50a78158602badccb30 - Patch | |
First Time |
Linux
Linux linux Kernel |
|
CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
10 Feb 2025, 16:15
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2025-02-10 16:15
Updated : 2025-10-15 16:25
NVD link : CVE-2025-21691
Mitre link : CVE-2025-21691
CVE.ORG link : CVE-2025-21691
JSON object : View
Products Affected
linux
- linux_kernel
CWE