CVE-2026-63811

In the Linux kernel, the following vulnerability has been resolved: f2fs: read COW data with the original inode during atomic write When updating an atomic-write file, f2fswritebegin may read the previously written data back from the COW inode: prepareatomicwritebegin locates the block in the COW...

CVE-2026-63811

Summary of CVE-2026-63811 (Linux kernel, f2fs) : A defect in atomic writes for F2FS can cause a mismatch between the cryptographic context used for decrypted reads and the actual on-disk data, due to how the COW inode and original inode are chosen for page reads. The read path may decrypt data us...

Linux Distros Unpatched Vulnerability : CVE-2022-50009

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix null-ptr-deref in f2fsgetdnodeofdata There is issue as follows when test f2fs atomic write: F2FS-fs loop0: Can't find valid F2FS filesystem in 2th...

UBUNTU-CVE-2022-50009

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null-ptr-deref in f2fsgetdnodeofdata There is issue as follows when test f2fs atomic write: F2FS-fs loop0: Can't find valid F2FS filesystem in 2th superblock F2FS-fs loop0: invalid crcoffset: 0 F2FS-fs loop0:...

CVE-2022-50009

CVE-2022-50009 corresponds to a Linux kernel vulnerability in f2fs → fixed null-ptr-deref in f2fs_get_dnode_of_data during atomic write. The provided data describe a scenario where f2fs_do_write_data_page writes a cow_inode (for atomic writes) and ends up dereferencing a NULL cow_inode, triggerin...