USN-8033-3 linux-aws-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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2: Linux kernel 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-2 linux-intel-iot-realtime, linux-realtime 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-1 linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

The vulnerability of the ext4_fs_init inode_bitmap function in the lwext4 library allows a attacker to execute arbitrary code and cause a service denial.

The vulnerability of the ext4fsinit inodebitmap function in the lwext4 library involves a heap-buffer-overflow issue during the initialization of the inode bitmap. Exploiting this vulnerability allows an attacker to execute arbitrary code and cause service failures...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

The vulnerability of the ext4_io_end_defer_completion() function in the fs/ext4/page-io.c file of the Ext4 file system of the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4ioenddefercompletion function in the fs/ext4/page-io.c file of the Ext4 file system in the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the swap inode_boot_loader() function in the fs/ext4/ioctl.c file of the Ext4 file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the swapinodebootloader function in the fs/ext4/ioctl.c file of the Ext4 file system in the Linux operating system is related to incorrect initialization of resources. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the ext4_truncate() function in the fs/ext4/inode.c module of the Ext4 file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4truncate function in the fs/ext4/inode.c file of the Ext4 file system in the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the ext4_prepareInline_data() function in the fs/ext4/inline.c file of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4prepareInlinedata function in the fs/ext4/inline.c file of the Ext4 file system in the Linux operating system is related to the improper disabling or release of resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the ext4_mb_new inode_pa() function in the fs/ext4/mballoc.c module of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4mbnew inodepa function in the fs/ext4/mballoc.c module of the Ext4 file system in the Linux operating system is related to the distribution of resources without any restrictions or regulations. Exploiting this vulnerability could allow a attacker to cause service...

The vulnerability of the ext4_xattr_move_to_block() function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system allows a attacker to cause a service failure.

The vulnerability of the ext4xattrmovetoblock function in the fs/ext4/xattr.c module of the Ext4 file system in the Linux operating system is related to the distribution of resources without any restrictions or regulations. Exploiting this vulnerability could allow a attacker to cause service...

The vulnerability of the __ext4_fill_super() function in the fs/ext4/super.c module of the Ext4 file system of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the ext4fillsuper function in the fs/ext4/super.c file of the Ext4 file system in the Linux operating system is related to improper memory release memory leak. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005084)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005084 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that ha...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001523)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001523 advisory. Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4xattrsetentry function. An attacker could exploit this by operating on a mounte...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001031)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001031 advisory. The implementation of certain splicewrite file operations in the Linux kernel before 3.16 does not enforce a restriction on the maximum size of a single file, which...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992904)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992904 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix null-ptr-deref in ext4writeinfo I caught a null-ptr-deref bug as follows:...

CVE-2023-54305

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2023-54062

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-2022-50782 ext4: fix bug_on in __es_tree_search caused by bad quota inode

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...