CVE-2025-21665: filemap: avoid truncating 64-bit offset to 32 bits
filemap: avoid truncating 64-bit offset to 32 bits
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
debian/linux-6.1to a version that resolves this vulnerability.Fixed in 6.1.129-1~deb11u1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21665?
CVE-2025-21665 has a high severity rating due to the potential for an infinite loop condition.
How do I fix CVE-2025-21665?
To fix CVE-2025-21665, you should upgrade to a patched version of the Linux kernel that addresses this vulnerability.
Which versions of the Linux Kernel are affected by CVE-2025-21665?
CVE-2025-21665 affects specific versions of the Linux kernel including those between 5.12 to 5.15.177, 5.16 to 6.1.127, 6.2 to 6.6.74, and 6.7 to 6.12.11.
What is the impact of CVE-2025-21665 on system performance?
The primary impact of CVE-2025-21665 is a potential infinite loop when writing to an XFS filesystem, which could lead to system unresponsiveness.
Is CVE-2025-21665 specific to 32-bit kernels?
Yes, CVE-2025-21665 is specifically relevant to 32-bit kernels due to the truncation of 64-bit offsets.