CVE-2026-23393

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

CVE-2026-23348

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix race of nvdimmbus object when creating nvdimm objects Found issue during running of cxl-translate.sh unit test. Adding a 3s sleep right before the test seems to make the issue reproduce fairly consistently. The...

UBUNTU-CVE-2026-23393

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

UBUNTU-CVE-2026-23381

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23393

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

CVE-2026-23393

CVE-2026-23393 – Linux kernel (bridge/cfm) race fix : A race during peer MEP deletion could occur because br_cfm_frame_rx() could re-schedule ccm_rx_dwork while peer_mep is freed under RCU, risking use-after-free. The fix replaces cancel_delayed_work_sync() with disable_delayed_work_sync() in bot...

CVE-2026-23393 bridge: cfm: Fix race condition in peer_mep deletion

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

CVE-2026-23393 bridge: cfm: Fix race condition in peer_mep deletion

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

CVE-2026-23393

In the Linux kernel, the following vulnerability has been resolved: bridge: cfm: Fix race condition in peermep deletion When a peer MEP is being deleted, canceldelayedworksync is called on ccmrxdwork before freeing. However, brcfmframerx runs in softirq context under rcureadlock without RTNL and...

CVE-2026-23381

CVE-2026-23381 – Linux kernel net/bridge nd_tbl NULL dereference when IPv6 is disabled . When booted with ipv6.disable=1, nd_tbl isn’t initialized because inet6_init() exits early, causing br_do_suppress_nd() to dereference a NULL ipv6_stub->nd_tbl and trigger a kernel NULL pointer dereference...

CVE-2026-23381 net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23381

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23381

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23381 net: bridge: fix nd_tbl NULL dereference when IPv6 is disabled

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init exits before ndiscinit is called which initializes it. Then, if...

CVE-2026-23348

In the Linux kernel, the following vulnerability has been resolved: cxl: Fix race of nvdimmbus object when creating nvdimm objects Found issue during running of cxl-translate.sh unit test. Adding a 3s sleep right before the test seems to make the issue reproduce fairly consistently. The...

SUSE-SU-2026:20837-1 Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 fixes various security issues The following security issues were fixed: - CVE-2025-40214: afunix: Initialise sccindex in unixaddedge bsc1255052. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. -...

kernel: Linux kernel:A use-after-free in bridge multicast in br_multicast_port_ctx_init

A flaw was found in the Linux kernel's bridge multicast functionality. A local user could trigger a use-after-free vulnerability, a type of memory corruption, by improperly configuring network bridge router ports. This issue arises because the system fails to correctly remove ports from its...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Linux Distros Unpatched Vulnerability : CVE-2026-23381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: fix ndtbl NULL dereference when IPv6 is disabled When booting with the 'ipv6.disable=1' parameter, the ndtbl is never initialized because inet6init...

The vulnerability of the `vidtv_bridge_dvb_init()` function in the `drivers/media/test-drivers/vidtv/vidtv_bridge.c` file of the Linux kernel-based multimedia device driver module allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the vidtvbridgedvbinit function in the drivers/media/test-drivers/vidtv/vidtvbridge.c file, a driver for multimedia devices in the Linux operating system, is related to the use of memory after deallocation. Exploiting this vulnerability could allow an attacker to compromise t...