SUSE SLES15 Security Update : kernel (Live Patch 48 for SUSE Linux Enterprise 15 SP4) (SUSE-SU-2026:1231-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:1231-1 advisory. This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.194 fixes one security issue The following security issue was fixed: - CVE-2026-2320...

SUSE-SU-2026:21087-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-33.1 fixes various security issues The following security issues were fixed: - CVE-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

kernel: macvlan: fix error recovery in macvlan_common_newlink()

A use-after-free vulnerability was found in the macvlan driver. When creating a macvlan interface in source mode fails after the source MAC has been added to the hash table e.g., due to an invalid interface name, the hash entry still references the freed netdevice structure. Subsequent packets...

SUSE-SU-2026:1187-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.31 fixes various security issues The following security issues were fixed: - CVE-2026-23074: net/sched: Enforce that teql can only be used as root qdisc bsc1258051. - CVE-2026-23111: netfilter: nftables: fix inverted genmask check in...

SUSE CVE-2026-23273

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

CVE-2026-23273

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

CVE-2026-23273

The CVE refers to a Linux kernel macvlan race: macvlan_common_newlink() can reveal a device before error handling under an RCU grace period, leading to a use-after-free as shown by a KASAN report. Connected OSV entries confirm patches in Rootio-Linux for Root:Debian/Ubuntu variants (Root-OS-DEBIA...

CVE-2026-23273 macvlan: observe an RCU grace period in macvlan_common_newlink() error path

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

CVE-2026-23273

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

OESA-2026-1568 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: mm/slub: avoid accessing metadata when pointer is invalid in objecterr objecterr reports details of an object for further debugging, such as the freelist pointer...

PT-2026-8217

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the macvlan component, specifically in the macvlan common newlink function. A use-after-free condition can occur when creating a new macvlan link...

PT-2026-26578

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.19.0-rc8+ 33 Description The Linux kernel contains a flaw within the macvlan module. Specifically, a race condition exists in the macvlan common newlink function's error path, potentially leading to a...