CVE-2025-21699: gfs2: Truncate address space when flipping GFS2_DIF_JDATA flag
gfs2: Truncate address space when flipping GFS2DIFJDATA flag
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.234-1Fixed 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 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.76.1-1
Event History
Frequently Asked Questions
What is the severity of CVE-2025-21699?
CVE-2025-21699 is categorized as a medium severity vulnerability in the Linux kernel.
How do I fix CVE-2025-21699?
To resolve CVE-2025-21699, it is recommended to update to the latest patched version of the Linux kernel.
What impact does CVE-2025-21699 have on my system?
CVE-2025-21699 can potentially lead to data loss or corruption when using the GFS2 file system.
Is CVE-2025-21699 present in all distributions of Linux?
CVE-2025-21699 affects specific versions of the Linux kernel, so checking the kernel version in use is necessary to determine if it is vulnerable.
Who is affected by CVE-2025-21699?
Users and administrators running affected versions of the Linux kernel with the GFS2 file system enabled may be impacted by CVE-2025-21699.