CVE-2022-50306
High
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 read.
SeverityHigh
CVSS7.1
Exploit probability—
Product
Linux Kernel
PublishedSep 15, 2025
First seenSep 15, 2025
How to fix
Update
- linux linux_kernel5.15.87, 6.0.6 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 5.15.87, 5.16 ≤ v < 6.0.6 | 5.15.87, 6.0.6 |
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