{"schema_version": "1.7.0", "id": "RLSA-2026:70403", "modified": "2026-09-24T06:14:02.960217Z", "published": "2026-09-24T06:02:23.953185Z", "upstream": ["CVE-2023-54120", "CVE-2023-54214", "CVE-2025-39964", "CVE-2025-71082", "CVE-2026-43334", "CVE-2026-45894", "CVE-2026-46043", "CVE-2026-46133", "CVE-2026-52918", "CVE-2026-53053", "CVE-2026-53062", "CVE-2026-53254", "CVE-2026-53256", "CVE-2026-63823", "CVE-2026-63947", "CVE-2026-63975", "CVE-2026-64534", "CVE-2026-64582", "CVE-2026-68188", "CVE-2026-68293"], "summary": "Important: kernel-rt security, bug fix, and enhancement update", "details": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)\n\n* kernel: Linux kernel Bluetooth: Denial of Service via race condition in hidp_session_thread (CVE-2023-54120)\n\n* kernel: Bluetooth: L2CAP: Fix potential user-after-free (CVE-2023-54214)\n\n* kernel: Bluetooth: btusb: revert use of devm_kzalloc in btusb (CVE-2025-71082)\n\n* kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response (CVE-2026-43334)\n\n* kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry (CVE-2026-45894)\n\n* kernel: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv (CVE-2026-46043)\n\n* kernel: RDMA/rxe: Reject unknown opcodes before ICRC processing (CVE-2026-46133)\n\n* kernel: Bluetooth: serialize accept_q access (CVE-2026-52918)\n\n* kernel: dm cache policy smq: fix missing locks in invalidating cache blocks (CVE-2026-53062)\n\n* kernel: iommu/amd: Fix clone_alias() to use the original device's devid (CVE-2026-53053)\n\n* kernel: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (CVE-2026-53256)\n\n* kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254)\n\n* kernel: keys: Pin request_key_auth payload in instantiate paths (CVE-2026-63823)\n\n* kernel: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp (CVE-2026-63975)\n\n* kernel: Bluetooth: HIDP: fix missing length checks in hidp_input_report() (CVE-2026-63947)\n\n* kernel: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path (CVE-2026-64534)\n\n* kernel: RDMA/rxe: Fix a use-after-free problem in rxe_mmap (CVE-2026-64582)\n\n* kernel: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads (CVE-2026-68293)\n\n* kernel: Linux kernel Bluetooth RFCOMM: Denial of Service via use-after-free in set_termios (CVE-2026-68188)\n\nBug Fix(es) and Enhancement(s):\n\n* Intel IOMMU: possible circular locking dependency (JIRA:Rocky Linux-243217)\n\n* xfs: repeated xfs_trans_cancel called from xfs_iomap_write_direct (JIRA:Rocky Linux-251578)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:8", "name": "kernel-rt", "purl": "pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.18.0-553.166.1.rt7.507.el8_10"}], "database_specific": {"yum_repository": "NFV"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:70403"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2403545"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2425183"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426069"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2429054"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468050"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2481940"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482127"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482550"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492092"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492278"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492310"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492717"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492795"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502218"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502346"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502388"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507399"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2511448"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513150"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513222"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:70403"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:70403"}}