CVE-2025-21964: cifs: Fix integer overflow while processing acregmax mount option
Published Apr 1, 2025
·Updated
cifs: Fix integer overflow while processing acregmax mount option
Affected Software
17 affected componentsFixes available
Linux Kernel
Linux Linux kernel>=5.12<5.15.180
Linux Linux kernel>=5.16<6.1.132
Linux Linux kernel>=6.2<6.6.84
Linux Linux kernel>=6.7<6.12.20
Linux Linux kernel>=6.13<6.13.8
Linux Linux kernel=6.14-rc1
Linux Linux kernel=6.14-rc2
Linux Linux kernel=6.14-rc3
Linux Linux kernel=6.14-rc4
Linux Linux kernel=6.14-rc5
Linux Linux kernel=6.14-rc6
Microsoft cbl2 kernel 5.15.180.1-1
Microsoft azl3 kernel 6.6.85.1-2
Microsoft azl3 kernel 6.6.82.1-1
Microsoft cbl2 kernel 5.15.176.3-3
Microsoft cbl2 kernel 5.15.176.3-3
Event History
Apr 1, 2025
CVE Published
via MITRE·03:47 PM
Data Sourced
via MITRE·03:47 PM
Description
Data Sourced
via Red Hat·04:05 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 5, 2025
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2025-21964?
CVE-2025-21964 is classified as a vulnerability affecting the Linux kernel with a potential risk of integer overflow.
2
How do I fix CVE-2025-21964?
To fix CVE-2025-21964, ensure that you update your Linux kernel to the latest version where this vulnerability has been resolved.
3
What does CVE-2025-21964 affect?
CVE-2025-21964 affects the Linux kernel specifically related to the processing of the acregmax mount option.
4
What is the impact of CVE-2025-21964?
The impact of CVE-2025-21964 includes potential exploitation through an integer overflow during the processing of user-provided mount parameters.
5
Is CVE-2025-21964 a local or remote vulnerability?
CVE-2025-21964 is primarily a local vulnerability since it requires local access to exploit the integer overflow within the mount parameters.