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CVE Vulnerability Details :

CVE-2025-21964

PUBLISHED

More Info Official Page

Assigner-Linux

Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published At-01 Apr, 2025 | 15:47

Updated At-04 May, 2025 | 07:25

▼CVE Numbering Authority (CNA)

cifs: Fix integer overflow while processing acregmax mount option

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.

Affected Products

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

fs/smb/client/fs_context.c

Default Status

unaffected

Versions

Affected

From 5780464614f6abe6026f00cf5a0777aa453ba450 before a13351624a6af8d91398860b8c9d4cf6c8e63de5 (git)
From 5780464614f6abe6026f00cf5a0777aa453ba450 before dd190168e60ac15408f074a1fe0ce36aff34027b (git)
From 5780464614f6abe6026f00cf5a0777aa453ba450 before 0252c33cc943e9e48ddfafaa6b1eb72adb68a099 (git)
From 5780464614f6abe6026f00cf5a0777aa453ba450 before 833f2903eb8b70faca7967319e580e9ce69729fc (git)
From 5780464614f6abe6026f00cf5a0777aa453ba450 before 5f500874ab9b3cc8c169c2ab49f00b838520b9c5 (git)
From 5780464614f6abe6026f00cf5a0777aa453ba450 before 7489161b1852390b4413d57f2457cd40b34da6cc (git)

Vendor

Linux Kernel Organization, Inc

Product

Linux

Repo

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Program Files

fs/smb/client/fs_context.c

Default Status

affected

Versions

Affected

5.12

Unaffected

From 0 before 5.12 (semver)
From 5.15.180 through 5.15.* (semver)
From 6.1.132 through 6.1.* (semver)
From 6.6.84 through 6.6.* (semver)
From 6.12.20 through 6.12.* (semver)
From 6.13.8 through 6.13.* (semver)
From 6.14 through * (original_commit_for_fix)

References

Hyperlink	Resource
https://git.kernel.org/stable/c/a13351624a6af8d91398860b8c9d4cf6c8e63de5	N/A
https://git.kernel.org/stable/c/dd190168e60ac15408f074a1fe0ce36aff34027b	N/A
https://git.kernel.org/stable/c/0252c33cc943e9e48ddfafaa6b1eb72adb68a099	N/A
https://git.kernel.org/stable/c/833f2903eb8b70faca7967319e580e9ce69729fc	N/A
https://git.kernel.org/stable/c/5f500874ab9b3cc8c169c2ab49f00b838520b9c5	N/A
https://git.kernel.org/stable/c/7489161b1852390b4413d57f2457cd40b34da6cc	N/A

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Affected

Affected

Unaffected

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References