Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001358 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfsrootnode when mounting a crafted btrfs image, because of...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: A infinite loop has been fixed in insertextenttree. When incorrect extent information is received, and extentnode is looked up in the RB tree, it can lead to an infinite loop CONFIGF2FSCHECKFS=n. To avoid this issue, a NULL...

PT-2026-5521

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained a flaw in the btrfs subsystem where the path was released before the extent tree was initialized within the btrfs read locked inode function. This could lead t...

PT-2026-20426

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0-rc5-00002-gb71e635feefc Description The Btrfs file system in the Linux kernel allows new transactions even when the file system is read-only. This behavior can lead to warnings and potential issues during...

f2fs: fix infinite loop in __insert_extent_tree()

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SUSE CVE-2025-40333

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

The vulnerability of the ext4_ext_binsearch_idx function in the lwext4 library allows a hacker to cause a service failure.

The vulnerability of the ext4extbinsearchidx function in the lwext4 library, related to reading beyond the array when processing damaged metadata of extent trees, occurs during the analysis of a specially crafted ext4 image. Exploitation of this vulnerability could allow an attacker to cause...

EUVD-2025-201869

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

CVE-2025-40333

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

UBUNTU-CVE-2025-40333

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

CVE-2025-40333 f2fs: fix infinite loop in __insert_extent_tree()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

CVE-2025-40333

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

CVE-2025-40333 f2fs: fix infinite loop in __insert_extent_tree()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix infinite loop in insertextenttree When we get wrong extent info data, and look up extentnode in rb tree, it will cause infinite loop CONFIGF2FSCHECKFS=n. Avoiding this by return NULL and print some kernel messages in th...

CVE-2025-40333

CVE-2025-40333 affects the Linux kernel (f2fs) with a fix for an infinite loop in __insert_extent_tree() when wrong extent info data is encountered and the extent_node is looked up in an rb tree. The remediation is to return NULL and print kernel messages. Advisories indicate upstream kernel vers...

The vulnerability in the blocklayout/extent_tree.c component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability in the blocklayout/extenttree.c component of the Linux operating system relates to access to an uninitialized pointer. Exploiting this vulnerability allows an attacker to cause a service failure...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989568)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989568 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: let's avoid panic if extenttree is not created This patch avoids the below panic. pc :...

SUSE CVE-2025-40100

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populatefreespacetree, if we are not using the block group tree feature, we always expect to find block...

AZL-69415 CVE-2025-40100 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populatefreespacetree, if we are not using the block group tree feature, we always expect to find block...

CVE-2025-40100

The CVE-2025-40100 issue is in the Linux kernel, specifically the Btrfs code path used when building the free space tree. The problem was an assertion in populate_free_space_tree() that assumed a block group item always exists in the extent tree when not using the block group tree feature. This c...

CVE-2025-40100 btrfs: do not assert we found block group item when creating free space tree

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populatefreespacetree, if we are not using the block group tree feature, we always expect to find block...