CVE-2023-53861 ext4: correct grp validation in ext4_mb_good_group

In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4mbgoodgroup Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check...

CVE-2023-53861

In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4mbgoodgroup Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check...

CVE-2023-53861

CVE-2023-53861 : Linux kernel ext4 fix – adding a NULL check before the group corruption check in ext4_mb_good_group to prevent a NULL pointer dereference when grp is NULL, which could crash the kernel. Affected component: ext4 in the kernel; impact is kernel crash due to NULL pointer dereference...