CVE-2023-53100

The CVE-2023-53100 entry relates to the Linux kernel ext4 code path. The issue was triggered during inline data handling when adding xattrs to an inode: after ext4_xattr_shift_entries(), i_inline_off can be incorrectly updated (reported as changing to 176), which can cause ext4_update_inline_dir/...

CVE-2023-53091 ext4: update s_journal_inum if it changes after journal replay

In the Linux kernel, the following vulnerability has been resolved: ext4: update sjournalinum if it changes after journal replay When mounting a crafted ext4 image, sjournalinum may change after journal replay, which is obviously unreasonable because we have successfully loaded and replayed the...

CVE-2023-53091 ext4: update s_journal_inum if it changes after journal replay

In the Linux kernel, the following vulnerability has been resolved: ext4: update sjournalinum if it changes after journal replay When mounting a crafted ext4 image, sjournalinum may change after journal replay, which is obviously unreasonable because we have successfully loaded and replayed the...

CVE-2023-53091

CVE-2023-53091 is an ext4 kernel issue fixed in EulerOS kernel advisories. When mounting a crafted ext4 image, s_journal_inum may change after journal replay, which could bypass checks in ext4_get_journal and trigger a null pointer dereference. The patch resolves this by ignoring the inum change ...

CVE-2023-53089 ext4: fix task hung in ext4_xattr_delete_inode

In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4xattrdeleteinode Syzbot reported a hung task problem: ================================================================== INFO: task syz-executor232:5073 blocked for more than 143 seconds. Not tainted...

CVE-2023-53089 ext4: fix task hung in ext4_xattr_delete_inode

In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4xattrdeleteinode Syzbot reported a hung task problem: ================================================================== INFO: task syz-executor232:5073 blocked for more than 143 seconds. Not tainted...

CVE-2023-53089

CVE-2023-53089 affects the Linux kernel ext4/xattr path. The issue occurs during eviction of inodes with extended attributes (EA) where ext4_xattr_delete_inode triggers a hang due to finding an EA inode (ea_inum = 15) that is in I_FREEING state and waiting for the EA inode’s deletion, causing an ...

USN-7461-3 linux-xilinx-zynqmp vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

SUSE CVE-2025-23150

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

SUSE CVE-2025-37738

In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4xattrinodedecrefall' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue:...

CVE-2023-53101: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: zero idisksize when initializing the bootloader inode If the boot loader inode has never been used before, the EXT4IOCSWAPBOOT inode will initialize it, including setting the isize to 0. However, if the "never before used"...

Linux Kernel Security Vulnerabilities

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 Linux kernel that originates from a memory allocation warning triggered when updating inline data in the ext4 file system...

PT-2025-18901

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been identified, specifically in the ext4 file system, where possible corruption can occur when moving a directory. This happens because when renaming a...

CVE-2023-53143: Off-by-one Error

In the Linux kernel, the following vulnerability has been resolved: ext4: fix another off-by-one fsmap error on 1k block filesystems Apparently syzbot figured out that issuing this FSMAP call: struct fsmaphead cmd = .fmhcount = ...; .fmhkeys = .fmrdevice = / ext4 dev /, .fmrphysical = 0, ,...

CVE-2023-53091: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ext4: update sjournalinum if it changes after journal replay When mounting a crafted ext4 image, sjournalinum may change after journal replay, which is obviously unreasonable because we have successfully loaded and replayed the...

Linux Kernel Security Vulnerabilities

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 ext4xattrdeleteinode causing a task to hang...

CVE-2023-53089: Loop with Unreachable Exit Condition

In the Linux kernel, the following vulnerability has been resolved: ext4: fix task hung in ext4xattrdeleteinode Syzbot reported a hung task problem: ================================================================== INFO: task syz-executor232:5073 blocked for more than 143 seconds. Not tainted...

CVE-2023-53100: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in ext4updateinlinedata Syzbot found the following issue: EXT4-fs loop0: mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. fscrypt: AES-256-CTS-CBC using implementation...

CVE-2022-49879

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUGON when directory entry has invalid reclen The reclen field in the directory entry has to be a multiple of 4. A corrupted filesystem image can be used to hit a BUG in ext4reclentodisk, called from makeindexeddir...

DEBIAN-CVE-2022-49880

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in 'ext4dareleasespace' Syzkaller report issue as follows: EXT4-fs loop0: Free/Dirty block details EXT4-fs loop0: freeblocks=0 EXT4-fs loop0: dirtyblocks=0 EXT4-fs loop0: Block reservation details EXT4-fs loop0:...