Linux Distros Unpatched Vulnerability : CVE-2026-46107

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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 dm-thin: fix metadata refcount underflow

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...

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...

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 an undercounting of reference counts in the metadata of the rebalancechildren function within...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the last transaction’s pmd-root when commit fails Recently, we discovered a problem with a softlockup in the dm thin pool’s btree lookup code due to corrupted metadata. Kernel panic – not syncing: softlockup: hung...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: dm thin: Fixed a use-after-free crash in dmsmregisterthresholdcallback. Reports of faults injecting into the pool metadata device: - BUG: KASAN: Use-after-free in dmpoolregistermetadatathreshold+0x40/0x80. - Reading of size 8 ...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fixed a UAF in runtimersoftirq When dmresume and dmdestroy are executed concurrently, it will lead to a UAF, as follows: Bug: KASAN: Use-after-free in runtimers+0x173/0x710 A 8-byte value is written to the address...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006953)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006953 advisory. 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 probl...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013204)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013204 advisory. 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 probl...

SUSE 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...

DEBIAN-CVE-2022-50563

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix UAF in runtimersoftirq When dmresume and dmdestroy are concurrent, it will lead to UAF, as follows: BUG: KASAN: use-after-free in runtimers+0x173/0x710 Write of size 8 at addr ffff88816d9490f0 by task swapper/0/0 Cal...

CVE-2022-50563 dm thin: Fix UAF in run_timer_softirq()

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix UAF in runtimersoftirq When dmresume and dmdestroy are concurrent, it will lead to UAF, as follows: BUG: KASAN: use-after-free in runtimers+0x173/0x710 Write of size 8 at addr ffff88816d9490f0 by task swapper/0/0 Cal...

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...

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...

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

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...

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...