In the Linux kernel, the following vulnerability has been resolved:
f2fs: compress: fix to cover {reserve,release}compressblocks() w/ cp_rwsem lock
It needs to cover {reserve,release}compressblocks() w/ cprwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .totalvalidblockcount may be corrupted after SPO case.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34027.json"
}