SUSE CVE-2026-46107

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalancechildren. If the internal btree node has one entry, the code tries to copy all btree entries from the node's child to the node itself and...

EUVD-2026-32866

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalancechildren. If the internal btree node has one entry, the code tries to copy all btree entries from the node's child to the node itself and...

UBUNTU-CVE-2026-46107

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalancechildren. If the internal btree node has one entry, the code tries to copy all btree entries from the node's child to the node itself and...

CVE-2026-46107

In Linux kernel dm-thin, a metadata refcount underflow in rebalance_children has been resolved. If an internal btree node with a single entry is shared (refcount > 1), downgrading the child without updating grandchildren leads to mismatched reference counts and can produce device mapper: space...

PT-2026-44230

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A bug exists in the rebalance children function within the dm-thin component. When an internal btree node contains a single entry, the system attempts to copy all btree entries from the...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: bcache: The issue with bchbtreenodealloc has been fixed to ensure that the failure behavior is consistent. In some specific situations, the return value of bchbtreenodealloc might be NULL. This could lead to a potential NULL...

EUVD-2026-25470

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix NULL iassocinode dereference in nilfsmdtsavetoshadowmap The DAT inode's btree node cache iassocinode is initialized lazily during btree operations. However, nilfsmdtsavetoshadowmap assumes iassocinode is already...

PT-2026-34929

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the nilfs2 component within the nilfs mdt save to shadow map function. The btree node cache i assoc inode of the DAT inode is initialized lazily duri...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007253)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007253 advisory. In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations...

CVE-2023-53681

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

UBUNTU-CVE-2023-53681

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

EUVD-2025-32766

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

CVE-2023-53681

CVE-2023-53681 concerns a bug in the Linux kernel’s bcache subsystem. According to connected sources, in some scenarios the return value of __bch_btree_node_alloc may be NULL, which could lead to a potential NULL pointer dereference in the caller chain (examples mention btree_split, __bch_btree_n...

CVE-2023-53681

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

CVE-2023-53681 bcache: Fix __bch_btree_node_alloc to make the failure behavior consistent

In the Linux kernel, the following vulnerability has been resolved: bcache: Fix bchbtreenodealloc to make the failure behavior consistent In some specific situations, the return value of bchbtreenodealloc may be NULL. This may lead to a potential NULL pointer dereference in caller function like a...

CVE-2022-49327 bcache: avoid journal no-space deadlock by reserving 1 journal bucket

In the Linux kernel, the following vulnerability has been resolved: bcache: avoid journal no-space deadlock by reserving 1 journal bucket The journal no-space deadlock was reported time to time. Such deadlock can happen in the following situation. When all journal buckets are fully filled by acti...

PT-2025-41125

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s bcache subsystem related to memory allocation. Specifically, the bch btree node alloc function could return a NULL pointer under certain conditions...

PT-2022-36714 · Apple · Apfs

Name of the Vulnerable Software and Affected Versions: APFS affected versions not specified Description: The issue is related to a crash type of UNKNOWN READ in the APFSJObjBtreeNode::find function. The crash state involves the APFSBtreeNodeIterator and APFSJObjTree::obj. No information is provid...