CVE-2025-68785 net: openvswitch: fix middle attribute validation in push_nsh() action

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 OK'ed by the...

CVE-2025-68785

CVE-2025-68785 concerns the Linux kernel net/openvswitch push_nsh() action. The description states a middle attribute (intended to be OVS_KEY_ATTR_NSH) is not validated, allowing unsafe double-unwrapping of nla_data() which can lead to memory access issues during action execution. Connected sourc...

CVE-2025-68785: Out-of-bounds Read

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 OK'ed by the...

Linux Distros Unpatched Vulnerability : CVE-2025-68785

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: fix middle attribute validation in pushnsh action The pushnsh action structure looks like this:...

SUSE-SU-2026:20049-1 Security update for openvswitch

This update for openvswitch fixes the following issues: Update OpenvSwitch to v3.1.7 and OVN to v23.03.3. Security issues fixed: - CVE-2023-3966: ovs: invalid memory access and potential denial of service via specially crafted Geneve packets bsc1219465. - CVE-2023-5366: ovs: OpenFlow rules may be...

Siemens SCALANCE, Ruggedcom ROX Integer Underflow (Wrap or Wraparound) (CVE-2022-2639)

An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large 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, potentially leading to an out-of-bounds write...

CLSA-2026-1767864313 kernel: Fix of 46 CVEs

mm: hugetlb: fix UAF in hugetlbhandleuserfault CVE-2022-50630 - drm/amdkfd: fix potential kgdmem UAFs CVE-2023-53816 - net/mlx5e: Fix deadlock in tc route query code CVE-2023-53591 - PCI: Fix pcideviceispresent for VFs by checking PF CVE-2022-50636 - wifi: ath11k: fix monitor mode bringup crash...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates CVE-2025-38678 In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise CVE-2025-40040 In the Lin...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993087)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993087 advisory. In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992756)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992756 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVSPACKETCMDEXECUTE has 3 main...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992645)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992645 advisory. In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in udpgsosegment In udpgsosegment the skb destructor is removed before...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVSPACKETCMDEXECUTE has 3 main...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-991117)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-991117 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow memory leak in ovsflowcmdnew Syzkaller reports a memory leak of newflo...

SUSE 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...

Linux Distros Unpatched Vulnerability : CVE-2023-53843

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c net: store netdevs in an xarray refactored the handling of pre-assigned...

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

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...