CVE-2022-50083

ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h When adding an xattr to an inode, we must ensure that the inode_size is not less than EXT4_GOOD_OLD_INODE_SIZE + extra_isize + pad. Otherwise, the end position may be greater than the start position, resulting in UAF.

N/A

CVSS

Severity:

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/214c68423fd632646c68f3ec8b3c2602cf8273f3
https://git.kernel.org/stable/c/f217b1ccb178475192e6a516fab7230f51ddae94
https://git.kernel.org/stable/c/0e69cf833161b29b2e25dcbf2f2b4e70d75b15cf
https://git.kernel.org/stable/c/748d17d47687e178f8e38938447fa4636c071c41
https://git.kernel.org/stable/c/2da44a2927a71bff2bc66cefa8cfbd2ace702536
https://git.kernel.org/stable/c/e6321fda51e5b4dd7ec295afb84cbf63c2634c7b
https://git.kernel.org/stable/c/37d82aa78346866552d573e8badc0aa8db8f1eea
https://git.kernel.org/stable/c/4cdc284ffadd6a989f24107ee7f09be43b748fbb
https://git.kernel.org/stable/c/179b14152dcb6a24c3415200603aebca70ff13af

Frequently Asked Questions

What is the severity of CVE-2022-50083?: CVE-2022-50083 has not yet been assigned a CVSS score.
How to fix CVE-2022-50083?: To fix CVE-2022-50083, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-50083 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2022-50083 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-50083?: CVE-2022-50083 affects Linux Linux, Linux Linux.

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