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...