CVE-2024-50006 — Improper Locking in Linux
Severity
4.7MEDIUMNVD
OSV8.8OSV6.7OSV6.3OSV5.5
EPSS
0.0%
top 99.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 21
Latest updateDec 16
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix i_data_sem unlock order in ext4_ind_migrate()
Fuzzing reports a possible deadlock in jbd2_log_wait_commit.
This issue is triggered when an EXT4_IOC_MIGRATE ioctl is set to require
synchronous updates because the file descriptor is opened with O_SYNC.
This can lead to the jbd2_journal_stop() function calling
jbd2_might_wait_for_commit(), potentially causing a deadlock if the
EXT4_IOC_MIGRATE call races with a write(2…
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6