CVE-2026-46331

🚨 CVE-2026-46331 - Linux Kernel COW Bug Linux Kernel net/sched Partial Copy-on-Write COW Page Cache Corruption -orange?style=for-the-badge A Linux kernel vulnerability caused by incorrect Copy-on-Write COW handling in the traffic control tc packet editing subsystem. 📖 Overview CVE-2026-46331 is a...

packet_edit_meme

PACKETEDITMEME - aka CVE-2026-46331 net/sched actpedit partial-COW page-cache corruption culprit 899ee91156e5, present v5.18 .. fixed v7.1-rc7. packeteditmeme.c turns it into unprivileged local root: a userns CAPNETADMIN child overwrites the cached ELF entry of setuid-root /bin/su with...

kernel: net/sched: act_ct: Only release RCU read lock after ct_ft

A flaw was found in the Linux kernel. A race condition in the actct module, specifically during the flow table lookup, can lead to a Use-After-Free UAF vulnerability. This occurs because a critical lock is released prematurely, allowing a memory object to be freed while still in use. An attacker...

SUSE SLES16 Security Update : kernel (Live Patch 4 for SUSE Linux Enterprise 16) (SUSE-SU-2026:23942-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:23942-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.9.1 fixes various security issues: The following security issues we...

SUSE SLES16 Security Update : kernel (Live Patch 3 for SUSE Linux Enterprise 16) (SUSE-SU-2026:23941-1)

The remote SUSE Linux SLES16 / SLESSAP16 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:23941-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues: The following security issues we...

Amazon Linux 2 : kernel (ALASKERNEL-5.4-2026-131)

The version of kernel installed on the remote host is prior to 5.4.302-229.498. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2026-131 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing CVE-2026-64564 In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdiscrtablist against concurrent get/put...

CentOS Linux 7 [TuxCare] Security Update: bpftool / kernel / kernel-debug / kernel-debug-devel / kernel-devel / etc Multiple Vulnerabilities (CENTOS7:CLSA-2026:1775657929)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1775657929 advisory. - In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a chec...

Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_49212)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202649212 advisory. kernel: ipc: limit nextid allocation to the valid ID range CVE-2026-52923 kernel: tipc: fix double-free in tipcbufappend CVE-2026-52993 kernel: net: sched...

Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_36957)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202636957 advisory. kernel: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange CVE-2025-71066 kernel: KVM: x86: Fix shadow paging...

ROS-20260930-73-0149

The vulnerability of the tcfctinit function in the net/sched/actct.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the...

ROS-20260930-73-0091

The vulnerability of the sfbdequeue function in the net/sched/schsfb.c module of the Linux operating system’s network/scheduling subsystem is related to pointer manipulation. Exploiting this vulnerability could allow a malicious actor to cause service interruptions remotely...

SUSE SLES15 Security Update : kernel (Live Patch 19 for SUSE Linux Enterprise 15 SP7) (SUSE-SU-2026:4383-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4383-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.53.73 fixes various security issues: The following security issues were fixed: -...

SUSE-SU-2026:23968-1 Security update for the Linux Kernel (Live Patch 15 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.36.1 fixes various security issues: The following security issues were fixed: - CVE-2026-64423: ipv4: igmp: remove multicast group from hash table on device destruction bsc1275458. - CVE-2026-64561: KVM: x86: Check for invalid/obsolet...

SUSE-SU-2026:23944-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.26.1 fixes various security issues: The following security issues were fixed: - CVE-2026-46150: fanotify: fix false positive on permission events bsc1267388. - CVE-2026-53360: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in u...

CVE-2026-46331

PACKETEDITMEME - CVE-2026-46331 net/sched actpedit partial-COW page-cache corruption culprit 899ee91156e5, present v5.18 .. fixed v7.1-rc7. packeteditmeme.c turns it into unprivileged local root: a userns CAPNETADMIN child overwrites the cached ELF metadata of a setuid-root binary with...

cve-2026-46331-audit

cve-2026-46331-audit -7.8%20HIGH-orange?style=flat-square Read-only audit script for CVE-2026-46331 a.k.a. pedit COW — a partial copy-on-write bug in the Linux kernel's net/sched actpedit action that lets a local unprivileged user corrupt page cache memory and escalate to root. | | | \ | | / / \ ...

ROS-20260929-73-0074

The vulnerability of the net/sched component in the Linux operating system’s kernel is related to pointer arithmetic errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

ROS-20260929-73-0147

The vulnerability of the etsqdiscchange function in the net/sched/schets.c file, within the net/sched subsystem of the Linux kernel’s network management mechanism, relates to operations involving resources after their expiration. Exploiting this vulnerability could allow an attacker to compromise...

ROS-20260929-73-0185

The vulnerability of the qfqresetqdisc function in the net/sched/schqfq.c module, within the net/sched subsystem of the Linux operating system’s kernel, is related to the dereferencing of a NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...