ceph: don't leak snap_rwsem in handle_cap_grant
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 5.10.138, 5.15.63, 5.19.4
- 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: yes
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: ceph: don't leak snap_rwsem in handle_cap_grant When handle_cap_grant is called on an IMPORT op, then the snap_rwsem is held and the function is expected to release it before returning. It currently fails to do that in all cases which could lead to a deadlock.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: yes · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
From 6f05b30ea063a2a05dda47a4105a69267ae5270f · fixed in aee18421bda6bf12a7cba6a3d7751c0e1cfd0094; From 6f05b30ea063a2a05dda47a4105a69267ae5270f · fixed in f546faa216d0f53a42ca73ba1fd8c48765b22d77; From 6f05b30ea063a2a05dda47a4105a69267ae5270f · fixed in a090cc69699ec2d11b5e34cee8c61f0d4b0068cb; From 6f05b30ea063a2a05dda47a4105a69267ae5270f · fixed in 58dd4385577ed7969b80cdc9e2a31575aba6c712
- Linux Linux
5.8
- KernelLinux
From 5.8.0 · fixed in 5.10.138; From 5.11.0 · fixed in 5.15.63; From 5.16.0 · fixed in 5.19.4