Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pagepool: Always add GFPNOWARN for ATOMIC allocations. Driver authors often forget to include GFPNOWARN when allocating pages from the datapath. This is annoying for users, as OOM Out-of-Memory conditions are common. We can expec...

kernel: net: openvswitch: Avoid releasing netdev before teardown completes

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no longer unconditionally take the RTNL. After this change, the netdevdestroy...

kernel: net: openvswitch: Avoid releasing netdev before teardown completes

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no longer unconditionally take the RTNL. After this change, the netdevdestroy...

Important: Red Hat Security Advisory: ovn25.03 security update

An update for ovn25.03 is now available for Fast Datapath for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn25.09 security update

An update for ovn25.09 is now available for Fast Datapath for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Linux Distros Unpatched Vulnerability : CVE-2026-43248

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - vhost: move vdpa group bound check to vhostvdpa Remove duplication by consolidating these here. This reduces the posibility of a parent driver missing them. Whi...

EUVD-2026-27345

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

AZL-86781 CVE-2026-34956 affecting package openvswitch for versions less than 3.3.0-3

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956 Openvswitch: open vswitch: denial of service via malformed ftp epasv command

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956 Openvswitch: open vswitch: denial of service via malformed ftp epasv command

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956

CVE-2026-34956 affects Open vSwitch: the vulnerability is in the userspace conntrack FTP ALG handler where a crafted FTP payload (EPASV/FTP substrings) can trigger an invalid memory access due to type narrowing when copying FTP substrings. This memory access can crash the process, causing Denial ...

CVE-2026-34956

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

CVE-2026-34956: Buffer Copy without Checking Size of Input

A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...

Important: Red Hat Security Advisory: ovn24.03 security update

An update for ovn24.03 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn25.09 security update

An update for ovn25.09 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Important: Red Hat Security Advisory: ovn23.09 security update

An update for ovn23.09 is now available for Fast Datapath for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

CVE-2026-31508

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no longer unconditionally take the RTNL. After this change, the netdevdestroy...

CVE-2026-31508

The CVE-2026-31508 issue affects the Linux kernel in the Open vSwitch teardown path. The root cause is that after a patch, the teardown code for OVS ports no longer unconditionally takes the RTNL, allowing netdev_destroy() to finish and free the netdev before unregistration completes if the IFF_O...