PT-2026-94811

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An ABBA deadlock occurs in the ext4 file system when processing concurrent xattr workloads using the ea inode mount or format option. The deadlock happens between a running transaction a...

SUSE CVE-2022-50668

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2022-50668 ext4: fix deadlock due to mbcache entry corruption

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a corrupted ext4 filesystem mbcache entry, which could lead to a deadlock...

kernel: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix mbcacheentry's erefcnt leak in ext4xattrblockcachefind Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mbcachedestroy+0x224/0x290 Modules...

PT-2023-33973

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.87 Description The issue is related to a deadlock caused by mbcache entry corruption in the ext4 filesystem. The actual impact and potential for attack have not been proven yet. Recommendations For Linux...

PT-2023-34334

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.163 Description The issue is related to a deadlock caused by mbcache entry corruption in the ext4 filesystem. The actual impact and potential for attack have not been proven yet. Recommendations For Linux...