CVE-2022-50306
Severity CVSS v4.0:
Pending analysis
Type:
CWE-125
Out-of-bounds Read
Publication date:
15/09/2025
Last modified:
04/12/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
ext4: fix potential out of bound read in ext4_fc_replay_scan()<br />
<br />
For scan loop must ensure that at least EXT4_FC_TAG_BASE_LEN space. If remain<br />
space less than EXT4_FC_TAG_BASE_LEN which will lead to out of bound read<br />
when mounting corrupt file system image.<br />
ADD_RANGE/HEAD/TAIL is needed to add extra check when do journal scan, as this<br />
three tags will read data during scan, tag length couldn&#39;t less than data length<br />
which will read.
Impact
Base Score 3.x
7.10
Severity 3.x
HIGH
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.15.87 (excluding) | |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.16 (including) | 6.0.6 (excluding) |
To consult the complete list of CPE names with products and versions, see this page