RHSA-2026:2821MediumCVSS 7.3
Red Hat Security Advisory: kernel-rt security update
🔗 CVE IDs covered (3)
📋 Description
CVE-2023-53762 — kernel: Linux kernel Bluetooth: Denial of Service due to use-after-free in connection handling CVE-2025-40168 — kernel: smc: Use __sk_dst_get() and dst_dev_rcu() in smc_clc_prfx_match() CVE-2025-40304 — kernel: Linux kernel: Out-of-bounds write in fbdev can lead to privilege escalation, information disclosure, or denial of service.
🔗 References (6)
- selfhttps://access.redhat.com/errata/RHSA-2026:2821
- externalhttps://access.redhat.com/security/updates/classification/#moderate
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2414482
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2419838
- externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2419870
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_2821.json