EUVD-2023-60153

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

CVE-2023-53843

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

UBUNTU-CVE-2023-53843

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

CVE-2023-53843 net: openvswitch: reject negative ifindex

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

CVE-2023-53843

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

CVE-2023-53843

CVE-2023-53843: In the Linux kernel, net: openvswitch: reject negative ifindex has been fixed. The issue arose from net-next changes that reworked pre‑assigned ifindexes and allowed ovs netdev ports to be created with negative ifindex values, which could be surfaced via certain commands and tools...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from openvswitch not validating a negative ifindex value, which could lead to the creation of invalid network...

PT-2025-49734

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the networking component, specifically within Open vSwitch OVS. The issue stems from a lack of input validation for the ifindex parameter, allowing th...

net: openvswitch: remove never-working support for setting nsh fields

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CVE-2025-40254

Open vSwitch NSH Network Service Header field modification has been fundamentally broken since introduction. The setnsh... action reuses validation code designed for different memory layouts—masked sets double attribute sizes, but the validator doesn't account for this. Additionally, 'masked' and...

SUSE CVE-2025-40254

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the nshkeyputfromnlattr function that is the same function that validates NSH keys...

CVE-2025-40254

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the nshkeyputfromnlattr function that is the same function that validates NSH keys...

AZL-71384 CVE-2025-40254 affecting package kernel for versions less than 6.6.119.3-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the nshkeyputfromnlattr function that is the same function that validates NSH keys...

CVE-2025-40254 net: openvswitch: remove never-working support for setting nsh fields

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the nshkeyputfromnlattr function that is the same function that validates NSH keys...

CVE-2025-40254

CVE-2025-40254 targets the Linux kernel openvswitch nsh field handling. The issue stems from incorrect validation of set(nsh(...)) due to a mismatched memory layout and confusing mask vs value flags, which can cause kernel NULL pointer dereferences or crashes during validation. The advisory notes...

CVE-2025-40254 net: openvswitch: remove never-working support for setting nsh fields

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the nshkeyputfromnlattr function that is the same function that validates NSH keys...

PT-2026-2517

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the Open vSwitch component related to insufficient validation of attributes in the push nsh action. Specifically, the code does not adequately...

PT-2025-49084

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc4+ Description The Linux kernel contains a flaw in the Open vSwitch OVS component related to the handling of Network Service Header NSH fields within the setnsh... action. The validation process for this...

Linux Distros Unpatched Vulnerability : CVE-2025-40254

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: remove never-working support for setting nsh fields The validation of the setnsh... action is completely wrong. It runs through the...

CLSA-2025-1763989962 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38352 - posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel CVE-url: https://ubuntu.com/security/CVE-2022-25265 - x86/elf: Add table to document READIMPLIESEXEC - x86/elf: Split READIMPLIESEXEC from executable PTGNUSTACK -...