CVE-2026-63985

A flaw was found in the Linux kernel's ethtool component, specifically within the EEPROM Netlink fallback path. The fallbacksetparams function fails to properly validate the length of data being read from the module's EEPROM, allowing for an out-of-bounds read. Additionally, the eepromfallback...

CVE-2026-63989 bridge: Fix sleep in atomic context in netlink path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

CVE-2026-63989

CVE-2026-63989 concerns the Linux kernel bridge netlink path. The issue arises because br_setport() was historically called with the bridge lock held, but br_setport processes many attributes (flags, FDB flushing, multicast, group forward mask, backup port/NHID) that do not require the bridge loc...

CVE-2026-63989 bridge: Fix sleep in atomic context in netlink path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

PT-2026-61306

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the bridge netlink configuration path where the br setport function is called while holding the bridge lock. Because br setport can trigger dev set promiscuity, which ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: core: A NULL dereference was prevented in generichwtstampioctllower. The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampge...

SUSE CVE-2026-31657

In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadvblaaddclaim can replace claim-backbonegw and drop the old gateway's last reference while readers still follow the pointer. The netlink claim dump path dereferences...

CVE-2025-40255

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...

UBUNTU-CVE-2025-40255

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...

CVE-2025-40255 net: core: prevent NULL deref in generic_hwtstamp_ioctl_lower()

In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generichwtstampioctllower The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib - vlanhwtstampget -...

SUSE SLES15: libopenvswitch-2_14-0 / libovn-20_06-0 / openvswitch / etc (SUSE-SU-2024:0937-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0937-1 advisory. - CVE-2023-3966: Fixed invalid memory access in Geneve with HW offload bsc1219465. Tenable has extracted the preceding...

SUSE SLES15: libopenvswitch-2_13-0 / libovn-20_03-0 / openvswitch / etc (SUSE-SU-2024:0912-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0912-1 advisory. - CVE-2023-3966: Fixed invalid memory access in Geneve with HW offload bsc1219465. Tenable has extracted the preceding description block...

USN-6690-1: Open vSwitch vulnerabilities

Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware offloading via the netlink path is enabled. A remote attacker could possibly use this issue to cause Open vSwitch to crash, leading to a denial of service...

USN-6690-1 openvswitch vulnerabilities

Timothy Redaelli and Haresh Khandelwal discovered that Open vSwitch incorrectly handled certain crafted Geneve packets when hardware offloading via the netlink path is enabled. A remote attacker could possibly use this issue to cause Open vSwitch to crash, leading to a denial of service...

openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...

openvswsitch: ovs-vswitch fails to recover after malformed geneve metadata packet

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...

RHEL 9 : openvswitch3.1 (RHSA-2024:1227)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1227 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic...

RHEL 8 : openvswitch3.1 (RHSA-2024:1235)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1235 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic...

SUSE SLES15: libopenvswitch-3_1-0 / libovn-23_03-0 / openvswitch3 / etc (SUSE-SU-2024:0738-1)

The remote SUSE Linux SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2024:0738-1 advisory. - CVE-2023-3966: Fixed invalid memory access in Geneve with HW offload bsc1219465. Tenable has extracted the preceding...

CVE-2023-3966

A flaw was found in Open vSwitch where multiple versions are vulnerable to crafted Geneve packets, which may result in a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...