CVE-2025-21964

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < a13351624a6af8d91398860b8c9d4cf6c8e63de5affected
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < dd190168e60ac15408f074a1fe0ce36aff34027baffected
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < 0252c33cc943e9e48ddfafaa6b1eb72adb68a099affected
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < 833f2903eb8b70faca7967319e580e9ce69729fcaffected
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < 5f500874ab9b3cc8c169c2ab49f00b838520b9c5affected
LinuxLinux5780464614f6abe6026f00cf5a0777aa453ba450 < 7489161b1852390b4413d57f2457cd40b34da6ccaffected
LinuxLinux5.12affected
LinuxLinux0 < 5.12unaffected
LinuxLinux5.15.180 <= 5.15.*unaffected
LinuxLinux6.1.132 <= 6.1.*unaffected
LinuxLinux6.6.84 <= 6.6.*unaffected
LinuxLinux6.12.20 <= 6.12.*unaffected
LinuxLinux6.13.8 <= 6.13.*unaffected
LinuxLinux6.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References