CVE-2023-54062 ext4: fix invalid free tracking in ext4_xattr_move_to_block()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrmovetoblock In ext4xattrmovetoblock, the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2023-54062 ext4: fix invalid free tracking in ext4_xattr_move_to_block()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrmovetoblock In ext4xattrmovetoblock, the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2022-50730

CVE-2022-50730 affects the Linux kernel's ext4 eviction path: when evicting inodes with dioread_nolock, a corner case warning (WARN_ON_ONCE) could be triggered due to i_io_list handling, potentially following unwritten extents conversions. The issue does not describe a use-after-free vulnerabilit...

CVE-2022-50730 ext4: silence the warning when evicting inode with dioread_nolock

In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...

CVE-2022-50730 ext4: silence the warning when evicting inode with dioread_nolock

In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...

CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

UBUNTU-CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-54021

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-54021 ext4: set goal start correctly in ext4_mb_normalize_request

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

CVE-2023-54021

CVE-2023-54021 affects the Linux kernel ext4 subsystem. The vulnerability centers on ext4_mb_normalize_request: the code must use ac_g_ex (not ac_f_ex) to communicate the goal start to ext4_mb_find_by_goal, and verify that the goal start lies within the data block range [first_data_block, blocks_...

CVE-2023-54021 ext4: set goal start correctly in ext4_mb_normalize_request

In the Linux kernel, the following vulnerability has been resolved: ext4: set goal start correctly in ext4mbnormalizerequest We need to set acgex to notify the goal start used in ext4mbfindbygoal. Set acgex instead of acfex in ext4mbnormalizerequest. Besides we should assure goal start is in rang...

PT-2025-53148

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to ext4 quota handling. Specifically, a bug in the es tree search function can occur due to a bad quota inode. This issue arises when the inode...

PT-2025-53034

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue within the ext4 subsystem related to inode eviction with dioread nolock. Specifically, a warning could occur when evicting an inode, potentially due to...

CVE-2023-54069: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...

CVE-2023-54153: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: turn quotas off if mount failed after enabling quotas Yi found during a review of the patch "ext4: don't BUG on inconsistent journal feature" that when ext4markrecoverycomplete returns an error value, the error handling pat...

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 the ext4 file system not properly setting the target starting block, which could lead to out-of-bounds acces...

PT-2025-52978

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue was identified in the Linux kernel related to the ext4 filesystem. The problem involves incorrectly setting the goal start in the ext4 mb normalize request function. Specificall...

CVE-2023-54062: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix invalid free tracking in ext4xattrmovetoblock In ext4xattrmovetoblock, the value of the extended attribute which we need to move to an external block may be allocated by kvmalloc if the value is stored in an external...

CVE-2022-50730: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...

CVE-2022-50782: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad quota inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:202! invalid opcode: 0000 1 PREEMPT SMP...