CVE-2026-45948

A flaw was found in the Linux kernel's ext4 filesystem. This vulnerability occurs in the ext4extshiftextents function, where a memory leak can happen if the function returns prematurely without releasing a previously obtained path. A local attacker could potentially exploit this to cause a denial...

CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

UBUNTU-CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

CVE-2026-45948

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

CVE-2026-45948 ext4: fix memory leak in ext4_ext_shift_extents()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4extshiftextents In ext4extshiftextents, if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4findextent, leading to a memory leak. Fix...

CVE-2026-45948

ext4: fix memory leak in ext4extshiftextents...

PT-2026-43815

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the ext4 ext shift extents function. When the extent is NULL within the while loop, the function returns immediately without releasing the path acquired through t...

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 ext4extshiftextents function encountering empty extents during the while loop, without...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed a bug in extent parsing when ehentries == 0 and ehdepth 0. When traversing inode extents, the ext4extbinsearchidx function assumes that the extent header has been validated previously. However, there are no checks ...

SUSE CVE-2026-31449

In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes ext4extcorrectindexes walks up the extent tree correcting index entries when the first extent in a leaf is modified. Before accessing pathk.pidx-eiblock, there is no validation...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013135 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 When walking through an inode...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005141)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005141 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: aovid use-after-free in ext4extinsertextent As Ojaswin mentioned in Link, in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990873)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990873 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4extshowleaf In ext4findextent, path may be freed by error or be...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988764)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988764 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 When walking through an inode...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986870)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986870 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0 When walking through an inode...

SUSE CVE-2022-49409

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch Hulk Robot reported a BUGON: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:199! ... RIP: 0010:ext4esend fs/ext4/extentsstatus.c:199 inline...

UBUNTU-CVE-2022-49174

In the Linux kernel, the following vulnerability has been resolved: ext4: fix ext4mbmarkbb with flexbg with fastcommit In case of flexbg feature which is by default enabled, extents for any given inode might span across blocks from two different block group. ext4mbmarkbb only reads the bufferhead...

The vulnerability of the ext4_ext_try_to_merge_up() function in the ext4 file system of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4exttrytomergeup function in the fs/ext4/extents.c file of the Linux kernel’s ext4 file system is related to the re-release of previously released memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

CVE-2024-49883

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UBUNTU-CVE-2024-49882

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse the buffer of the extents path In ext4exttrytomergeup, set path1.pbh to NULL after it has been released, otherwise it may be released twice. An example of what triggers this is as follows: split2 map split...