UBUNTU-CVE-2026-45912

In the Linux kernel, the following vulnerability has been resolved: ext4: don't cache extent during splitting extent Caching extents during the splitting process is risky, as it may result in stale extents remaining in the status tree. Moreover, in most cases, the corresponding extent block entri...

CVE-2026-45912

CVE-2026-45912 – Linux kernel ext4 caching during extent splitting . The issue affects the ext4 file system in the Linux kernel where, during ext4_split_extent_at(), the kernel may cache or mishandle extents while splitting, potentially leaving a hole in the extent status tree and causing space a...

PT-2026-43779

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system where caching extents during the splitting process can lead to stale extents remaining in the status tree. Specifically, when ext4 split extent at...