Red Hat alert RHSA-2026:2282-01 (kernel) [LWN.net]

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. 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: Linux kernel: Memory corruption in Squashfs due to incorrect block size calculation (CVE-2025-38415) * kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403) * kernel: Linux kernel: Data corruption and system instability due to improper io_uring/net buffer handling (CVE-2025-38730) * kernel: smb: client: let recv_done verify data_offset, data_length and remaining_data_length (CVE-2025-39933) * kernel: mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable() (CVE-2025-40133) * kernel: Linux kernel: Out-of-bounds write in fbdev can lead to privilege escalation, information disclosure, or denial of service. (CVE-2025-40304) * kernel: Linux kernel: Information disclosure and denial of service via out-of-bounds read in font glyph handling (CVE-2025-40322) * kernel: svcrdma: use rc_pageoff for memcpy byte offset (CVE-2025-68811) 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_2282.json