f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock It needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock to avoid racing with checkpoint, otherwise, filesystem metadata including blkaddr in dnode, inode fields and .total_valid_block_count may be corrupted after SPO case.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in a6e1f7744e9b84f86a629a76024bba8468aa153b; From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in b5bac43875aa27ec032dbbb86173baae6dce6182; From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in 5d47d63883735718825ca2efc4fca6915469774f; From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in 329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b; From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in 69136304fd144144a4828c7b7b149d0f80321ba4; From ef8d563f184e1112651f2cbde383d43e599334e8 · fixed in 0a4ed2d97cb6d044196cc3e726b6699222b41019
- Linux Linux
5.8
- KernelLinux
From 5.8.0 · fixed in 5.10.219; From 5.11.0 · fixed in 5.15.161; From 5.16.0 · fixed in 6.1.93; From 6.2.0 · fixed in 6.6.33; From 6.7.0 · fixed in 6.9.4