← back
CVE-2022-50205

ext2: Add more validity checks for inode counts

EPSS 0.2%
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

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →
References
https://git.kernel.org/stable/c/07303a9abe3a997d9864fb4315e34b5acfe8fc25https://git.kernel.org/stable/c/0bcdc31094a12b4baf59e241feabc9787cf635fahttps://git.kernel.org/stable/c/5e63c5fe9123fa76ffaeff26c211308736ec3a07https://git.kernel.org/stable/c/7a48fdc88a3c35e046a6a0a38eba00f21c65b16ehttps://git.kernel.org/stable/c/96b18d3a1be0354ccce43f0ef61b5a3d7e432552https://git.kernel.org/stable/c/b3f423683818cfe15de14d5d9dff44148ff16bbfhttps://git.kernel.org/stable/c/d08bb199a406424a8ed0009efdf41710e6d849eehttps://git.kernel.org/stable/c/fa78f336937240d1bc598db817d638086060e7e9