40 matches found
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...
CVE-2026-31422
CVE-2026-31422 affects the Linux kernel’s net/sched subsystem. The vulnerability occurs in flow_change() where tcf_block_q() dereferences q->handle to derive a default baseclass for shared blocks, while block->q can be NULL for shared blocks. The fix adds a check of tcf_block_shared() befor...
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 null pointer dereferencing in the clsflow module when shared blocks are involved, potentially...
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...
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 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 null pointer dereferencing in the clsfw module when shared blocks are involved, potentially...
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-2026-32348
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...
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...
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...
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...
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...
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...
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
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
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...