ext4: correct grp validation in ext4_mb_good_group
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 86% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ext4: correct grp validation in ext4_mb_good_group
Group corruption check will access memory of grp and will trigger kernel
crash if grp is NULL. So do NULL check before corruption check.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/245759d987b617d183061db6ab8886ebb5cc78e9https://git.kernel.org/stable/c/3e24082f16825279054a2b8a5e668d65070bbf07https://git.kernel.org/stable/c/772ca4bc1d0d21320ef2ecc0f9e4f90ea85a035dhttps://git.kernel.org/stable/c/83a9d5f5ec7e75640b1ba0bbd77a4888df798bb4https://git.kernel.org/stable/c/a9ce5993a0f5c0887c8a1b4ffa3b8046fbcfdc93https://git.kernel.org/stable/c/e69d665987db0e37896adf78a7e718f9a0a75d3f