Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ext4setattr function. When the truncation operation exceeds the inline capacity, the inline...

PT-2026-34354

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 ext correct indexes function, which corrects index entries when the first extent in a leaf is modified. The function fails to validate that the p idx pointer...

CVE-2026-31451: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31447: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with sfirstdatablock != 0 bigalloc with sfirstdatablock != 0 is not supported, reject mounting it...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013837)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013837 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadloc...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013530)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013530 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with...

Linux Distros Unpatched Vulnerability : CVE-2026-31449

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: validate pidx bounds in ext4extcorrectindexes ext4extcorrectindexes walks up the extent tree correcting index entries when the first extent in a leaf is...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013658)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013658 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free read in ext4findextent for bigalloc + inline Syzbot found the following...

CVE-2026-31446: Use After Free

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in updatesuperwork when racing with umount Commit b98535d09179 "ext4: fix bugon in startthishandle during umount filesystem" moved ext4unregistersysfs before flushing ssbupdwork to prevent new error work...

PT-2026-34352

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 file system where the kernel fails to reject mounting when bigalloc is used in conjunction with s first data block not equal to 0, a configuration that is not...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the release of jino before the initialization of the ext4 inodeattachjinode function. This...

CVE-2026-31452: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: ext4: convert inline data to extents when truncate exceeds inline size Add a check in ext4setattr to convert files from inline data storage to extent-based storage when truncate grows the file size beyond the inline capacity. Thi...

CVE-2026-31448: Loop with Unreachable Exit Condition

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid infinite loops caused by residual data On the mkdir/mknod path, when mapping logical blocks to physical blocks, if inserting a new extent into the extent tree fails in this example, because the file system disabled th...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013843)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013843 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows:...

PT-2026-34357

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ext4 filesystem where the system fails to convert files from inline data storage to extent-based storage when a truncate operation increases the file size beyond t...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013702)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013702 advisory. 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 i...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013434)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013434 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: always panic when errors=panic is specified Before commit 014c9caa29d3 ext4: make ext4abort...

Linux Distros Unpatched Vulnerability : CVE-2026-31447

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: reject mount if bigalloc with sfirstdatablock != 0 bigalloc with sfirstdatablock != 0 is not supported, reject mounting it. CVE-2026-31447 Note that Nessu...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013833)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013833 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't allow journal inode to have encrypt flag Mounting a filesystem whose journal inode ha...

Linux Distros Unpatched Vulnerability : CVE-2026-31452

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: convert inline data to extents when truncate exceeds inline size Add a check in ext4setattr to convert files from inline data storage to extent-based...