CVE-2026-31508

The CVE-2026-31508 issue affects the Linux kernel in the Open vSwitch teardown path. The root cause is that after a patch, the teardown code for OVS ports no longer unconditionally takes the RTNL, allowing netdev_destroy() to finish and free the netdev before unregistration completes if the IFF_O...

CVE-2026-22988

CVE-2026-22988 affects the Linux kernel’s arp handling, specifically the assumption that skb->head remains unchanged after dev_hard_header() in arp_create(). The issue arises when a recent commit altered skb->head, breaking that assumption. The publicly provided description and OpenVAS/Ness...

CVE-2026-22995

The CVE concerns a Linux kernel race in ublk_partition_scan_work that can cause a use-after-free of ub->ub_disk due to a race between async partition scanning and device teardown. The vulnerability occurs when ublk_ctrl_start_dev() schedules partition_scan_work after add_disk(), and ublk_stop_...

CVE-2026-22983

The CVE-2026-22983 entry refers to a Linux kernel issue where msg_get_inq was written in the callee, risking a NULL pointer dereference. The vulnerability is described as a kernel-internal variant of msghdr where callers reinitialize the field; fixing the write is intended to improve robustness a...