69 matches found
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...
Linux Kernel Security Vulnerabilities
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 the absence of a RCU timeout interval in the error path of the macvlancommonnewlink function. Thi...
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...
CVE-2026-23209
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
UBUNTU-CVE-2026-23209
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
CVE-2026-23209 macvlan: fix error recovery in macvlan_common_newlink()
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
CVE-2026-23209 macvlan: fix error recovery in macvlan_common_newlink()
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
CVE-2026-23209 macvlan: fix error recovery in macvlan_common_newlink()
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
CVE-2026-23209
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix error recovery in macvlancommonnewlink valis provided a nice repro to crash the kernel: ip link add p1 type veth peer p2 ip link set address 00:00:00:00:00:20 dev p1 ip link set up dev p1 ip link set up dev p2 ip lin...
Linux Kernel Security Vulnerabilities
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, caused by an improper recovery mechanism in the macvlancommonnewlink function. This vulnerability may lead to reus...
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...
Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989572)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989572 advisory. In the Linux kernel, the following vulnerability has been resolved: rtnetlink: make sure to refresh masterdev/mops in rtnlnewlink While looking at one unrelated syzb...
Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989268)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989268 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in...
Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987113)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987113 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macvlan: fix memory leaks of macvlancommonnewlink kmemleak reports memory leaks in...
DEBIAN-CVE-2025-39874
In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...
CVE-2025-39874 macsec: sync features on RTM_NEWLINK
In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...
CVE-2025-39874
CVE-2025-39874 - Linux kernel macsec feature synchronization race : The issue occurs in macsec feature updates where lower (real) and upper device feature states can become out of sync during ETHTOOL_SFEATURES handling, potentially causing a lock in the lower device while updating features. The r...
CVE-2025-39874 macsec: sync features on RTM_NEWLINK
In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...
