net: openvswitch: fix possible kfree_skb of ERR_PTR

...

SUSE SLES15: libopenvswitch-2_14-0 / libovn-20_06-0 / openvswitch / etc (SUSE-SU-2026:2481-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2481-1 advisory. This update for openvswitch fixes the following issues - CVE-2026-5265: heap over-read in ICMP error response generation bsc1262498...

SUSE SLES15: libopenvswitch-3_1-0 / libovn-23_03-0 / openvswitch / etc (SUSE-SU-2026:2475-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2475-1 advisory. This update for openvswitch fixes the following issues - CVE-2026-5265: heap over-read in ICMP error response generation bsc1262498...

CVE-2026-53227

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 allocation of the "reply" skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

UBUNTU-CVE-2026-53227

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 allocation of the "reply" skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

CVE-2026-53227

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 allocation of the "reply" skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

EUVD-2026-39318

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 allocation of the "reply" skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

CVE-2026-53227

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 allocation of the "reply" skb can happen either before or after locking the ovsmutex. However, error cleanups still follow the classical...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix middle attribute validation in pushnsh action The pushnsh action structure looks like this: OVSACTIONATTRPUSHNSHOVSKEYATTRNSHOVSNSHKEYATTRBASE,... The outermost OVSACTIONATTRPUSHNSH attribute is validated by...

SUSE-SU-2026:2481-1 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...

SUSE-SU-2026:2475-1 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...

SUSE SLES15: libopenvswitch-3_5-0 / libovn-25_03-0 / openvswitch / etc (SUSE-SU-2026:2463-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2463-1 advisory. This update for openvswitch fixes the following issues Update ovn to 25.03.3: - CVE-2026-5265: heap over-read in ICMP error respons...

Astra Linux – Vulnerability in OpenVSwitch

A flaw was discovered in OpenVSwitch OVS. When processing an IP packet with protocol 0, OVS will install a datapath flow without modifying the IP header. This issue results in the installation of a datapath flow that matches all IP protocols with “nwproto” set to wildcard, but with an incorrect...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use The functions iplocalout and others can pass skb-sk as a function argument. If the skb is a fragment and reassembly occurs before such a function call returns, the sk must n...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: openvswitch: Fixed a memory leak that occurred during failed datapath creation. ovsdpcmdnew - ovsdpchange - ovsdpsetupcallportids allocates an array using kmalloc. If newvport fails during ovsdpcmdnew, dp-upcallportids must be...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-5.10

An integer coercion error was detected in the openvswitch kernel module. When there are a sufficient number of actions, while copying and reserving memory for a new action of a new flow, the reservesfasize function does not return -EMSGSIZE as expected. This could potentially lead to an...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: Fixed a race condition related to port output. Assume the following setup on a single machine: 1. An openvswitch instance with one bridge and default flows. 2. Two network namespaces: “server” and “client”. 3...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: OpenVSwitch: fixed the issue where locking occurred when trying to unregister a netdev with a carrier. The commit in the “fixes” tag attempted to fix this issue through the following sequence of calls: dooutput → ovsvportsend →...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: openvswitch: Use RCU protection in ovsvportcmdfillinfo. ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF Use-After-Free errors...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fixed a flow memory leak in ovsflowcmdnew Syzkaller reported a memory leak in ovsflowcmdnew, as the memory allocated for the flow command does not get freed when an allocation fails. BUG: Memory leak Unreference...