CVE-2026-74701: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/openvswitch: check Ethernet header length in keyextract When a packet arrives on an ARPHRDNONE device e.g. TUN, ovsflowkeyextract trusts the user-provided skb-protocol field: if it is ETHPTEB, the packet is classified as...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102046)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102046 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix middle attribute validation in pushnsh action The pushnsh action structure...

K000162959: Linux kernel vulnerability CVE-2026-64531

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nlalen field is u16. Commit a1e64addf3ff "net: openvswitch: remove misbehaving...

SUSE-SU-2026:23188-1 Security update for openvswitch

This update for openvswitch fixes the following issues: - CVE-2026-5265: heap over-read in ICMP error response generation bsc1262498. - CVE-2026-5367: heap over-read in OVN DHCPv6 client ID processing bsc1262499...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-100169)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100169 advisory. In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100718)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100718 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix possible kfreeskb of ERRPTR After the patch in the Fixes tag, the allocatio...

SUSE CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

SUSE CVE-2026-74465

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

CVE-2026-74465

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

AZL-96087 CVE-2026-74464 affecting package kernel for versions less than 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

CVE-2026-74465

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

UBUNTU-CVE-2026-74465

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

UBUNTU-CVE-2026-74464

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...

CVE-2026-74465 net: openvswitch: fix potential UAF on meter attach failure

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

CVE-2026-74465

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

CVE-2026-74465 net: openvswitch: fix potential UAF on meter attach failure

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

EUVD-2026-59658

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix potential UAF on meter attach failure While attaching a newly created meter attachmeter function makes the new meter visible to other CPUs but can still fail afterwards. On failure, it detaches the meter bac...

CVE-2026-74465

The CVE-2026-74465 entry describes a potential use-after-free in Linux kernel/Open vSwitch meter handling: attach_meter() may briefly expose a newly created meter and later free it on failure via ovs_meter_cmd_set(), risking UAF if RC reader/window timing allows access. The fix (per the reports) ...

CVE-2026-74464 net: openvswitch: fix skb leak on flow key update failure during ct

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix skb leak on flow key update failure during ct ovsctexecute always steals or frees the skb on failure while ovsflowkeyupdate does not. So, if it fails and we return right away, the skb ends up leaked. Fix tha...