blk-cgroup: hold queue_lock when removing blkg->q_node
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.1.17, 6.2.4, 6.4.12
- 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: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 81c1188905f88b77743d1fdeeedfc8cb7b67787d · fixed in b5dae1cd0d8368b4338430ff93403df67f0b8bcc; From bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a · fixed in 083b58373463a6e5ee60ecb135269348f68ad7df; From f1c006f1c6850c14040f8337753a63119bba39b9 · fixed in cd4ffdf56791eec95af01f06bee1ec7665ca75c4; From f1c006f1c6850c14040f8337753a63119bba39b9 · fixed in c164c7bc9775be7bcc68754bb3431fce5823822e; From 6.1.16 · fixed in 6.1.17; From 6.2.3 · fixed in 6.2.4
- Linux Linux
6.3
- KernelLinux
fixed in 6.1.17; From 6.2.0 · fixed in 6.2.4; From 6.3.0 · fixed in 6.4.12