In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() Determine if the group block bitmap is corrupted before using ac_b_ex in ext4_mb_try_best_found() to avoid allocating blocks from a group with a corrupted block bitmap in the following concurrency and making the situation worse. ext4_mb_regular_allocator ext4_lock_group(sb, group) ext4_mb_good_group // check if the group bbitmap is corrupted ext4_mb_complex_scan_group // Scan group gets ac_b_ex but doesn't use it ext4_unlock_group(sb, group) ext4_mark_group_bitmap_corrupted(group) // The block bitmap was corrupted during // the group unlock gap. ext4_mb_try_best_found ext4_lock_group(ac->ac_sb, group) ext4_mb_use_best_found mb_mark_used // Allocating blocks in block bitmap corrupted group
Published 2024-04-03 17:15:53
Updated 2024-04-03 17:24:18
Source Linux
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2024-26773

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less

References for CVE-2024-26773

Products affected by CVE-2024-26773

The following product & version information is provided by CVEdetails.com. We provide product & version information for most CVEs even if they are not available from NVD.
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!