Issued at: 2026-02-08
Updated at: 2026-02-08
Synopsis
Important: kernel security update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Linux kernel: irqchip/gic-v2m use-after-free vulnerability (CVE-2025-37819)
* kernel: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem (CVE-2025-38022)
* kernel: Linux kernel use-after-free in eventpoll (CVE-2025-38349)
* kernel: io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU (CVE-2025-38453)
* kernel: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing (CVE-2025-38568)
* kernel: drm/xe: Fix vm_bind_ioctl double free bug (CVE-2025-38731)
* kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154)
* kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)
* kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)
* kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)
* kernel: Linux kernel: vsock vulnerability may lead to memory corruption (CVE-2025-40248)
* kernel: mptcp: fix race condition in mptcp_schedule_work() (CVE-2025-40258)
* kernel: devlink: rate: Unset parent pointer in devl_rate_nodes_destroy (CVE-2025-40251)
* kernel: Linux kernel: Use-after-free in proc_readdir_de() can lead to privilege escalation or denial of service. (CVE-2025-40271)
* kernel: Linux kernel: Out-of-bounds write in Bluetooth MGMT can lead to information disclosure and denial of service (CVE-2025-40294)
* kernel: Linux kernel: Information disclosure and denial of service in Bluetooth HCI event handling (CVE-2025-40301)
* kernel: Bluetooth: hci_sync: fix race in hci_cmd_sync_dequeue_once (CVE-2025-40318)
* kernel: net: atlantic: fix fragment overflow handling in RX path (CVE-2025-68301)
* kernel: Bluetooth: hci_sock: Prevent race in socket write iter and sock bind (CVE-2025-68305)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.