What is RHSA-2025:8643?

RHSA-2025:8643 is a security advisory published by Red Hat Product Security with High severity. Red Hat Security Advisory: kernel security update

Which CVE IDs does RHSA-2025:8643 cover?

RHSA-2025:8643 covers the following CVE IDs: CVE-2025-22055, CVE-2025-37785, CVE-2025-37943, CVE-2025-21920, CVE-2025-21926, CVE-2025-21997. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of RHSA-2025:8643?

RHSA-2025:8643 has a CVSS v3 base score of 7.1, published by Red Hat Product Security.

RHSA-2025:8643HighCVSS 7.1

Red Hat Security Advisory: kernel security update

Vendor

Red Hat Product Security

Published

June 9, 2025

Last Modified

June 30, 2026

🔗 CVE IDs covered (6)

CVE-2025-22055 →CVE-2025-37785 →CVE-2025-37943 →CVE-2025-21920 →CVE-2025-21926 →CVE-2025-21997 →

📋 Description

CVE-2025-21920 — kernel: vlan: enforce underlying device type CVE-2025-21926 — kernel: net: gso: fix ownership in __udp_gso_segment CVE-2025-21997 — kernel: xsk: fix an integer overflow in xp_create_and_assign_umem() CVE-2025-22055 — kernel: net: fix geneve_opt length integer overflow CVE-2025-37785 — kernel: ext4: fix OOB read when checking dotdot dir CVE-2025-37943 — kernel: wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi

🔗 References (9)

selfhttps://access.redhat.com/errata/RHSA-2025:8643
externalhttps://access.redhat.com/security/updates/classification/#important
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2356587
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2356639
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2357143
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2360300
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2360921
externalhttps://bugzilla.redhat.com/show_bug.cgi?id=2367748
selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8643.json