CVE-2026-23231 netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-23231 netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005426)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005426 advisory. In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix refcount warning in tipcaeadencrypt syzbot reported a refcount warning 1 caused by...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005442)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005442 advisory. In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Return the firmware result upon destroying QP/RQ Previously when destroying a QP/RQ, t...

[SECURITY] [DLA 4486-1] nova security update

Debian LTS Advisory DLA-4486-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara February 20, 2026 https://wiki.debian.org/LTS Package : nova Version : 2:22.4.0-1deb11u7 CVE ID : CVE-2026-24708 Debian Bug : 1128294 Dan Smith discovered that nova, a cloud...

CLSA-2026-1771498382 ImageMagick: Fix of CVE-2025-68618

CVE-2025-68618: added recursion depth check in MSL and SVG coders - Check that image exists before we destroy it...

CLSA-2026-1771497630 ImageMagick: Fix of CVE-2025-68618

CVE-2025-68618: added recursion depth check in MSL and SVG coders - Check that image exists before we destroy it...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 : Nova vulnerability (USN-8049-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by a vulnerability as referenced in the USN-8049-1 advisory. Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly use th...

GHSA-M4F3-QP2W-GWH6 OpenStack Nova calls qemu-img without format restrictions for resize

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

CVE-2026-24708

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

CVE-2026-24708

An issue was discovered in OpenStack Nova before 30.2.2, 31 before 31.2.1, and 32 before 32.1.1. By writing a malicious QCOW header to a root or ephemeral disk and then triggering a resize, a user may convince Nova's Flat image backend to call qemu-img without a format restriction, resulting in a...

USN-8049-1: Nova vulnerability

Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly use this issue to destroy data on the host system...

PT-2026-20566

Dan Smith discovered that Nova incorrectly called qemu-img without a format restriction when resizing disks. An attacker could possibly use this issue to destroy data on the host system...

CVE-2026-23209 macvlan: fix error recovery in macvlan_common_newlink()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...

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 a race condition in the nciunregisterdevice function. This vulnerability may allow the work queue...

Oracle Linux 9 : kernel (ELSA-2026-1617)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-1617 advisory. - net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing CKI Backport Bot RHEL-136822 CVE-2025-38568 - devlink: rate: Unset parent pointe...

CVE-2026-23028

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvmdevice leak in kvmipidestroy In kvmioctlcreatedevice, kvmdevice has allocated memory, kvmdevice-destroy seems to be supposed to free its kvmdevice struct, but kvmipidestroy is not currently doing this, that...

SUSE CVE-2026-23028

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvmdevice leak in kvmipidestroy In kvmioctlcreatedevice, kvmdevice has allocated memory, kvmdevice-destroy seems to be supposed to free its kvmdevice struct, but kvmipidestroy is not currently doing this, that...

CVE-2026-23028

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvmdevice leak in kvmipidestroy In kvmioctlcreatedevice, kvmdevice has allocated memory, kvmdevice-destroy seems to be supposed to free its kvmdevice struct, but kvmipidestroy is not currently doing this, that...

UBUNTU-CVE-2026-23029

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix kvmdevice leak in kvmeiointcdestroy In kvmioctlcreatedevice, kvmdevice has allocated memory, kvmdevice-destroy seems to be supposed to free its kvmdevice struct, but kvmeiointcdestroy is not currently doing...