CVE-2022-50306 — Out-of-bounds Read in Linux
Severity
7.1HIGHNVD
EPSS
0.0%
top 98.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix potential out of bound read in ext4_fc_replay_scan()
For scan loop must ensure that at least EXT4_FC_TAG_BASE_LEN space. If remain
space less than EXT4_FC_TAG_BASE_LEN which will lead to out of bound read
when mounting corrupt file system image.
ADD_RANGE/HEAD/TAIL is needed to add extra check when do journal scan, as this
three tags will read data during scan, tag length couldn't less than data length
which will rea…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2
Affected Packages4 packages
▶CVEListV5linux/linux8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 — 6969367c1500c15eddc38fda12f6d15518ad6d03+3
Patches
🔴Vulnerability Details
2OSV▶
CVE-2022-50306: In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential out of bound read in ext4_fc_replay_scan() For scan loop must↗2025-09-15
GHSA▶
GHSA-9vr8-rq9x-pjp8: In the Linux kernel, the following vulnerability has been resolved:
ext4: fix potential out of bound read in ext4_fc_replay_scan()
For scan loop mus↗2025-09-15