Threats Tagged 'cve-2025-40255'
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Threats Tagged 'cve-2025-40255'
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A high-severity vulnerability (CVE-2025-40214) in the Linux kernel's Unix domain sockets subsystem was resolved by initializing scc_index in unix_add_edge(). This flaw could lead to privilege escalation on Container-Optimized OS nodes, affecting multiple Google Kubernetes Engine (GKE) cluster types except those using GKE Sandbox. Patch versions have been released for various Container-Optimized OS node pools and Ubuntu Linux kernel packages. Bare metal GDC software is not affected. Users are advised to update to the specified patched kernel versions and reboot to apply fixes. Join the discussion | GCVE Database | 01/07/2026, 00:00:00 UTC Added: 06/03/2026, 21:10:57 UTC |
In the Linux kernel, the following vulnerability has been resolved: net: core: prevent NULL deref in generic_hwtstamp_ioctl_lower() The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfig_prepare_data() -> dev_get_hwtstamp_phylib() -> vlan_hwtstamp_get() -> generic_hwtstamp_get_lower() -> generic_hwtstamp_ioctl_lower() results in generic_hwtstamp_ioctl_lower() being called with kernel_cfg->ifr as NULL. The generic_hwtstamp_ioctl_lower() function does not expect a NULL ifr and dereferences it, leading to a system crash. Fix this by adding a NULL check for kernel_cfg->ifr in generic_hwtstamp_ioctl_lower(). If ifr is NULL, return -EINVAL. Join the discussion | GCVE Database | 12/04/2025, 16:16:00 UTC Added: 07/31/2026, 15:40:06 UTC |
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