{
  "cves": [
    "CVE-2026-46243"
  ],
  "cvss": 0.0,
  "database_specific": {
    "severity": "IMPORTANT"
  },
  "description": "[4.18.0-553.129.1]\n- Update Oracle Linux certificates (Kevin Lyons)\n- Disable signing for aarch64 (Ilya Okomin)\n- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]\n- Update x509.genkey [Orabug: 24817676]\n- Conflict with shim-ia32 and shim-x64 = 15.3-1.0.3\n- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]\n- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]\n\n[4.18.0-553.129.1]\n- smb: client: reject userspace cifs.spnego descriptions (Paulo Alcantara) [RHEL-178938] {CVE-2026-46243}\n\n[4.18.0-553.128.1]\n- smb: client: fix OOB reads parsing symlink error response (Paulo Alcantara) [RHEL-171465] {CVE-2026-31613}\n- geneve: Suppress list corruption splat in geneve_destroy_tunnels(). (Antoine Tenart) [RHEL-168961]\n- geneve: Fix use-after-free in geneve_find_dev(). (Antoine Tenart) [RHEL-168961] {CVE-2025-21858}\n- netfilter: nf_tables: release flowtable after rcu grace period on error (Florian Westphal) [RHEL-160514] {CVE-2026-23392}\n\n[4.18.0-553.127.1]\n- smc: Fix use-after-free in tcp_write_timer_handler(). (Steve Best) [RHEL-167084] {CVE-2023-53781}\n- nbd: defer config unlock in nbd_genl_connect (CKI Backport Bot) [RHEL-166939] {CVE-2025-68366}\n- libceph: prevent potential out-of-bounds reads in handle_auth_done() (CKI Backport Bot) [RHEL-143892] {CVE-2026-22984}\n- libceph: replace overzealous BUG_ON in osdmap_apply_incremental() (CKI Backport Bot) [RHEL-143874] {CVE-2026-22990}",
  "id": "ELSA-2026-23258",
  "ovalId": "oval:com.oracle.elsa:def:202623258",
  "source": "oracle_linux",
  "title": "ELSA-2026-23258:  kernel security update (IMPORTANT)",
  "url": "https://linux.oracle.com/errata/ELSA-2026-23258.html"
}