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...

EUVD-2025-32837

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use last transaction's pmd-root when commit failed Recently we found a softlock up problem in dm thin pool btree lookup code due to corrupted metadata: Kernel panic - not syncing: softlockup: hung tasks CPU: 7 PID: 26692...

CVE-2022-50534 dm thin: Use last transaction's pmd->root when commit failed

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use last transaction's pmd-root when commit failed Recently we found a softlock up problem in dm thin pool btree lookup code due to corrupted metadata: Kernel panic - not syncing: softlockup: hung tasks CPU: 7 PID: 26692...

CVE-2022-50534 dm thin: Use last transaction's pmd->root when commit failed

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use last transaction's pmd-root when commit failed Recently we found a softlock up problem in dm thin pool btree lookup code due to corrupted metadata: Kernel panic - not syncing: softlockup: hung tasks CPU: 7 PID: 26692...

CVE-2022-50534

CVE-2022-50534 (Linux kernel, dm thin) : A vulnerability in the dm thin component can trigger an ABBA deadlock between shrinker_rwsem and pmd-root_lock when concurrent drop cache operations and dm thin worker threads run. This may lead to a broken btree with mixed fresh/stale nodes and cause a sy...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an uninitialized bchbtreenodealloc return value, which could result in a null pointer dereference...

PT-2025-41039

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the dm thin pool btree lookup code that can lead to a softlockup. This issue arises from corrupted metadata, potentially causing an infinite loop...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987314)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987314 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986764)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986764 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalancechildren Move dmtmunlock after dmtmdec. Tenable h...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-383904)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-383904 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential oob read in nilfsbtreecheckdelete The function nilfsbtreecheckdelete, which...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986467)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986467 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalancechildren Move dmtmunlock after dmtmdec. Tenable h...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986411)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986411 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986627 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986547)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986547 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: fix use after free in rebalancechildren Move dmtmunlock after dmtmdec. Tenable h...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986585)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986585 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image a...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986309)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986309 advisory. In the Linux kernel, the following vulnerability has been resolved: dm btree remove: assign newroot only when removal succeeds removeraw in dmbtreeremove may fail du...

Linux Distros Unpatched Vulnerability : CVE-2023-52900

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image and tries to reads a b-tree node block by calling...