CVE-2022-49348 is a medium-severity vulnerability affecting the Linux kernel's ext4 filesystem. A maliciously corrupted superblock can set the EXT4_FC_REPLAY bit in s_mount_state, bypassing sanity checks and triggering a BUG() in ext4_es_cache_extent(). This local vulnerability has a CVSS score of 5.5, indicating low attack complexity and privilege requirements, but high availability impact. There is currently no public exploit code, active exploitation, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.10, < 5.10.121CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.15.46CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.16, < 5.17.14CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.18, < 5.18.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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