CVE-2022-50205

ext2: Add more validity checks for inode counts

EPSS 0.2%

Vexday Risk Score

3Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

18 Jun 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: ext2: Add more validity checks for inode counts Add checks verifying number of inodes stored in the superblock matches the number computed from number of inodes per group. Also verify we have at least one block worth of inodes per group. This prevents crashes on corrupted filesystems.

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/07303a9abe3a997d9864fb4315e34b5acfe8fc25 https://git.kernel.org/stable/c/0bcdc31094a12b4baf59e241feabc9787cf635fa https://git.kernel.org/stable/c/5e63c5fe9123fa76ffaeff26c211308736ec3a07 https://git.kernel.org/stable/c/7a48fdc88a3c35e046a6a0a38eba00f21c65b16e https://git.kernel.org/stable/c/96b18d3a1be0354ccce43f0ef61b5a3d7e432552 https://git.kernel.org/stable/c/b3f423683818cfe15de14d5d9dff44148ff16bbf https://git.kernel.org/stable/c/d08bb199a406424a8ed0009efdf41710e6d849ee https://git.kernel.org/stable/c/fa78f336937240d1bc598db817d638086060e7e9