Red Hat alert RHSA-2026:1494-01 (kernel) [LWN.net]

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: mac80211: fix potential double free on mesh join (CVE-2022-49290) * kernel: net: bonding: fix use-after-free after 802.3ad slave unbind (CVE-2022-49667) * kernel: Linux kernel: be2net buffer overflow in be_get_module_eeprom (CVE-2022-49581) * kernel: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans (CVE-2023-53034) * kernel: net: openvswitch: fix nested key length validation in the set() action (CVE-2025-37789) * kernel: KVM: arm64: Tear down vGIC on failed vCPU creation (CVE-2025-37849) * kernel: smb: client: Fix use-after-free in cifs_fill_dirent (CVE-2025-38051) * kernel: RDMA/rxe: Fix incomplete state save in rxe_requester (CVE-2023-53539) * kernel: i40e: fix idx validation in config queues msg (CVE-2025-39971) * kernel: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CVE-2025-40154) * 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: drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CVE-2025-40277) 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. This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_1494.json