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 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 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...

Amazon Linux 2023 : cargo, clippy, rust (ALAS2023-2026-1676)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1676 advisory. Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero. CVE-2026-6654 Tenable has extract...

Security Bulletin: Cargo in IBM Open SDK for Rust on AIX uses a vulnerable version of thin-vec (CVE-2026-6654)

Summary The cargo package manager in IBM Open SDK for Rust on AIX 1.90.0.1 and 1.92.0.1 uses the thin-vec-0.2.14 crate, which is vulnerable to a double free error. Vulnerability Details CVEID:CVE-2026-6654 DESCRIPTION: Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear...

Amazon Linux 2 : rust, --advisory ALAS2-2026-3296 (ALAS-2026-3296)

The version of rust installed on the remote host is prior to 1.95.0-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3296 advisory. Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace...

Important: rust

Issue Overview: Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero. CVE-2026-6654 Affected Packages: rust Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm thin: Use the pmd-root from the last transaction 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;...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmbtreeremove: Assign newroot only when the removal succeeds. The removeraw function in dmbtreeremove may fail due to IO read errors e.g., failure to read the content of the origin block during shadowing. Additionally, the value ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around the sysctltcpthinlineartimeouts function. When reading sysctltcpthinlineartimeouts, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

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...

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

In the Linux kernel, the following vulnerability has been resolved: dm thin: Make getfirstthin use rcu-safe list first function. The documentation in rculist.h explains the absence of listemptyrcu and warns programmers against relying on a sequence of listempty - listfirst in RCU-safe code. This ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 ...

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...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011242)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011242 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...

CVE-2026-6654

Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero...

CVE-2026-6654

Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero...

UBUNTU-CVE-2026-6654

Double-Free / Use-After-Free UAF in the IntoIter::drop and ThinVec::clear functions in the thinvec crate. A panic in ptr::dropinplace skips setting the length to zero...