CVE-2026-31422

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL deref when a flow filter witho...

PT-2026-32348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the flow change function when a flow filter without a fully qualified baseclass is created on a shared block. This happens because flow change calls...

CVE-2026-31421

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave block-q NULL, causing a NULL deref when an empty clsfw filter is...

PT-2026-32347

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the fw classify function when an empty cls fw filter is attached to a shared block and a packet with a nonzero major skb mark is classified. This...

Linux Distros Unpatched Vulnerability : CVE-2026-31422

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared...

Linux Distros Unpatched Vulnerability : CVE-2026-31421

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsfw: fix NULL pointer dereference on shared blocks The old-method path in fwclassify calls tcfblockq and dereferences q-handle. Shared blocks leave...

SUSE CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

EUVD-2026-12913

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

DEBIAN-CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

UBUNTU-CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

CVE-2026-23270 net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

CVE-2026-23270

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...

CVE-2026-23270

CVE-2026-23270 pertains to the Linux kernel net/sched subsystem. The fix restricts the use of TC action act_ct to only bind to clsact/ingress qdiscs and shared blocks, preventing its use on the egress path. The change addresses a scenario where classify could return TC_ACT_CONSUMED while the skb ...

CVE-2026-23270 net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks

In the Linux kernel, the following vulnerability has been resolved: net/sched: Only allow actct to bind to clsact/ingress qdiscs and shared blocks As Paolo said earlier 1: "Since the blamed commit below, classify can return TCACTCONSUMED while the current skb being held by the defragmentation...