EUVD-2025-32815

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

CVE-2022-50549 dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

CVE-2022-50549

CVE-2022-50549 describes an ABBA deadlock in the Linux kernel’s dm-thin path where concurrent drop_caches and dm thin worker activity can cause a deadlock between shrink_slab (holding shrinker_rwsem) and dm_pool_abort_metadata (holding dm_block/root locks). The result is a hung task as shown by t...

CVE-2022-50549

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix ABBA deadlock between shrinkslab and dmpoolabortmetadata Following concurrent processes: P1drop cache P2kworker dropcachessysctlhandler dropslab shrinkslab downread&shrinkerrwsem - LOCK A doshrinkslab supercachescan...

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...

EUVD-2020-6485

Malware in sbrugna...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-018715)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-018715 advisory. A denial of service problem was found, due to a possible recursive locking scenario, resulting in a deadlock in tableclear in drivers/md/dm-ioctl.c in the Linux Kern...

Unity Linux 20.1070e Security Update: libvirt (UTSA-2025-680674)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-680674 advisory. A flaw was found in libvirt, where it leaked a file descriptor for /dev/mapper/control into the QEMU process. This file descriptor allows for privileged operations t...

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 20.1070a 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 20.1070e Security Update: kernel (UTSA-2025-987051)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987051 advisory. In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dmiodecpending calls endioacct first and wil...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986575)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986575 advisory. In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dmiodecpending calls endioacct first and wil...

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 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-387275)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-387275 advisory. In the Linux kernel, the following vulnerability has been resolved: dm: call the resume method on internal suspend There is this reported crash when experimenting wi...

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...

SUSE CVE-2022-50496

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in destroy...

CVE-2023-53604

In the Linux kernel, the following vulnerability has been resolved: dm integrity: call kmemcachedestroy in dmintegrityinit error path Otherwise the journaliocache will leak if dmregistertarget fails...

UBUNTU-CVE-2022-50496

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in destroy...

CVE-2022-50496

CVE-2022-50496 is a Linux kernel use-after-free in the dm-cache component, triggered by concurrent destroy() with dm_resume() and dm_destroy(). The fix is to cancel the timer in destroy() to prevent the UAF, as described in the advisory and the related kernel commits referenced in the sources.

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 uncalled kmemcachedestroy in the dmintegrityinit error path, which could lead to a memory leak...