Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49110: netfilter: conntrack: revisit gc autotuning bsc1237981. CVE-2022-49139: Bluetooth: fix null ptr deref on hcisyncconncompleteevt bsc1238032...

net: openvswitch: fix middle attribute validation in push_nsh() action

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SUSE CVE-2025-68785

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

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 a Linux kernel openvswitch vulnerability in the push_nsh() action. The root cause is missing validation of the middle NSH attribute (not guaranteed to be OVS_KEY_ATTR_NSH) inside the action nesting, allowing unsafe access during validation and nested nla processing. The ci...

CVE-2025-68785

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

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 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...

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-2025-992756)

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 20.1060a / 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 20.1060e / 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...