kernel: ext4: dax: fix overflowing extents beyond inode size when partially writing

An inode corruption flaw was found in the Linux kernel's Ext4 file system functionality related to how a user can interrupt a write using the daxiomaprwfunction. This flaw allows a local user to make non-fatal mistakes with Ext4, leading to a file system denial of service...

CVE-2023-53089

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-2023-53143

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-2023-53129

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2023-53089

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-2023-53129

CVE-2023-53129 entry is rejected/not used by its CVE Numbering Authority.

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...

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

PT-2025-18901 · Linux +1 · Linux Kernel +1

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-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...

CVE-2022-49880 ext4: fix warning in 'ext4_da_release_space'

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:...

CVE-2025-23150 ext4: fix off-by-one error in do_split

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...

CVE-2025-23150 ext4: fix off-by-one error in do_split

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...

PT-2025-18597 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: The issue is related to the ext4 file system in the Linux kernel. It occurs when the ext4 da release space function is called with an inode that has inline data, leading to a warni...

USN-7462-2 linux-aws-fips 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...

USN-7462-2: Linux kernel (AWS FIPS) 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...

USN-7462-1 linux-aws, linux-aws-5.4, linux-gcp-5.4, linux-iot 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...

USN-7461-2 linux-azure-fips, linux-fips, linux-gcp-fips 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...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7462-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7462-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7461-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7461-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...