jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 5.10.150, 5.15.75, 5.19.17, 6.0.3
- 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: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From ff780b91efe901b8eecd8114785abae5341820ad · fixed in 1d4d16daec2a6689b6d3fbfc7d2078643adc6619; From ff780b91efe901b8eecd8114785abae5341820ad · fixed in d11d2ded293976a1a0d9d9471827a44dc9e3c63f; From ff780b91efe901b8eecd8114785abae5341820ad · fixed in 2e6d9f381c1ed844531a577783fc352de7a44c8a; From ff780b91efe901b8eecd8114785abae5341820ad · fixed in effd9b3c029ecdd853a11933dcf857f5a7ca8c3d; From ff780b91efe901b8eecd8114785abae5341820ad · fixed in 243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
- Linux Linux
5.10
- KernelLinux
From 5.10.0 · fixed in 5.10.150; From 5.11.0 · fixed in 5.15.75; From 5.16.0 · fixed in 5.19.17; From 5.20.0 · fixed in 6.0.3