EUVD-2026-26547

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix isbpfmigrationdisabled false negative on non-PREEMPTRCU Since commit 8e4f0b1ebcf2 "bpf: use rcureadlockdontmigrate for trampoline.c", the BPF prolog bpfprogenter calls migratedisable only when CONFIGPREEMPTRCU is...

CVE-2026-31734

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix isbpfmigrationdisabled false negative on non-PREEMPTRCU Since commit 8e4f0b1ebcf2 "bpf: use rcureadlockdontmigrate for trampoline.c", the BPF prolog bpfprogenter calls migratedisable only when CONFIGPREEMPTRCU is...

CVE-2026-31734 sched_ext: Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix isbpfmigrationdisabled false negative on non-PREEMPTRCU Since commit 8e4f0b1ebcf2 "bpf: use rcureadlockdontmigrate for trampoline.c", the BPF prolog bpfprogenter calls migratedisable only when CONFIGPREEMPTRCU is...

PT-2026-36459

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description RCU-protected codepaths, specifically mpls forward and mpls dump routes, can maintain an inconsistent view of platform labels versus platform label during a concurrent resize operation...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop in attrloadrunsrange on inconsistent metadata CVE-2025-71265 In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check return value of indxfind to avoid...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Linux Distros Unpatched Vulnerability : CVE-2026-31665

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftct: fix use-after-free in timeout object destroy nftcttimeoutobjdestroy frees the timeout object with kfree immediately after nfctuntimeout, witho...

Linux Distros Unpatched Vulnerability : CVE-2026-31642

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing ...

Linux Distros Unpatched Vulnerability : CVE-2026-31669

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in inetlookupestablished The ehash table lookups are lockless...

SUSE CVE-2026-31680

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prints fl-opt-optnflen when an option block is present. Exclusive...

EUVD-2026-25647

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prints fl-opt-optnflen when an option block is present. Exclusive...

CVE-2026-31680

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prints fl-opt-optnflen when an option block is present. Exclusive...

CVE-2026-31680 net: ipv6: flowlabel: defer exclusive option free until RCU teardown

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prints fl-opt-optnflen when an option block is present. Exclusive...

CVE-2026-31678

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

CVE-2026-31678

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

Linux Distros Unpatched Vulnerability : CVE-2026-31680

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prin...

PT-2026-35138

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Open vSwitch component of the Linux kernel. The ovs netdev tunnel destroy function may execute after the NETDEV UNREGISTER process has already detached the...

DEBIAN-CVE-2026-31669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in inetlookupestablished The ehash table lookups are lockless and rely on SLABTYPESAFEBYRCU to guarantee socket memory stability during RCU read-side critical sections. Both tcpprot and tcpv6prot ha...

CVE-2026-31642

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call removal to use RCU safe deletion Fix rxrpc call removal from the rxnet-calls list to use listdelrcu rather than listdelinit to prevent stuffing up reading /proc/net/rxrpc/calls from potentially getting into an...

CVE-2026-31541

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix tracemarker copy link list updates When the "copytracemarker" option is enabled for an instance, anything written into /sys/kernel/tracing/tracemarker is also copied into that instances buffer. When the option is set...