[El-errata] ELSA-2026-83156 Important: Oracle Linux 9 kernel security update

Mon Oct 19 10:42:38 UTC 2026

Oracle Linux Security Advisory ELSA-2026-83156

http://linux.oracle.com/errata/ELSA-2026-83156.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-abi-stablelists-5.14.0-687.58.1.el9_8.noarch.rpm
kernel-core-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-cross-headers-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-core-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-devel-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-devel-matched-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-modules-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-modules-core-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-modules-extra-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-debug-uki-virt-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-devel-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-devel-matched-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-doc-5.14.0-687.58.1.el9_8.noarch.rpm
kernel-headers-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-modules-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-modules-core-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-modules-extra-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-tools-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-tools-libs-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-tools-libs-devel-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-uki-virt-5.14.0-687.58.1.el9_8.x86_64.rpm
kernel-uki-virt-addons-5.14.0-687.58.1.el9_8.x86_64.rpm
libperf-5.14.0-687.58.1.el9_8.x86_64.rpm
perf-5.14.0-687.58.1.el9_8.x86_64.rpm
python3-perf-5.14.0-687.58.1.el9_8.x86_64.rpm
rtla-5.14.0-687.58.1.el9_8.x86_64.rpm
rv-5.14.0-687.58.1.el9_8.x86_64.rpm

aarch64:
kernel-cross-headers-5.14.0-687.58.1.el9_8.aarch64.rpm
kernel-headers-5.14.0-687.58.1.el9_8.aarch64.rpm
kernel-tools-5.14.0-687.58.1.el9_8.aarch64.rpm
kernel-tools-libs-5.14.0-687.58.1.el9_8.aarch64.rpm
kernel-tools-libs-devel-5.14.0-687.58.1.el9_8.aarch64.rpm
libperf-5.14.0-687.58.1.el9_8.aarch64.rpm
perf-5.14.0-687.58.1.el9_8.aarch64.rpm
python3-perf-5.14.0-687.58.1.el9_8.aarch64.rpm
rtla-5.14.0-687.58.1.el9_8.aarch64.rpm
rv-5.14.0-687.58.1.el9_8.aarch64.rpm

SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-5.14.0-687.58.1.el9_8.src.rpm

Related CVEs:

CVE-2026-46319
CVE-2026-53011
CVE-2026-64030
CVE-2026-68140
CVE-2026-68377
CVE-2026-68404
CVE-2026-68409
CVE-2026-72262
CVE-2026-72288
CVE-2026-72320
CVE-2026-74641
CVE-2026-74705
CVE-2026-80985
CVE-2026-81003
CVE-2026-89526
CVE-2026-90036
CVE-2026-93207
CVE-2026-93228

Description of changes:

[5.14.0-687.58.1]
- Disable UKI signing [Orabug: 36571828]
- Update Oracle Linux certificates (Kevin Lyons)
- Disable signing for aarch64 (Ilya Okomin)
- Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237]
- Update x509.genkey [Orabug: 24817676]
- Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.5]
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535]
- Add Oracle Linux IMA certificates
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985764]

[5.14.0-687.58.1]
- net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
- net/smc: bound the peer rkey counts in SMC-Rv2 LLC messages (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
- net/smc: fix use-after-free of the LLC qentry in smc_llc_srv_add_link() (Jan Polensky) [RHEL-271472] {CVE-2026-80985}
- KVM: arm64: vgic: Handle race between interrupt affinity change and LPI disabling (Mohammadfaiz Bawa) [RHEL-243814] {CVE-2026-72288}
- SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry (Olga Kornievskaia) [RHEL-275058] {CVE-2026-93207}
- svcrdma: Reject Write/Reply chunks with segcount 0 (Olga Kornievskaia) [RHEL-275076] {CVE-2026-93228}
- NFSD: Prevent client use-after-free during blocked-lock reaping (Olga Kornievskaia) [RHEL-270929] {CVE-2026-90036}
- NFSD: Prevent client use-after-free during delegation revoke (Olga Kornievskaia) [RHEL-270929] {CVE-2026-89659}
- svcrdma: Validate Read chunk positions before reconstruction (Olga Kornievskaia) [RHEL-271453] {CVE-2026-89526}
- udp: fix potential use-after-free in tunnel segmentation (Antoine Tenart) [RHEL-268122] {CVE-2026-74705}
- net/iucv: filter frames in afiucv_hs_rcv() by ingress device (CKI Backport Bot) [RHEL-270908] {CVE-2026-81003}
- wifi: cfg80211: use wiphy work for socket owner autodisconnect (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
- wifi: cfg80211: convert pmsr_free_wk to wiphy_work to fix deadlock (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
- wifi: cfg80211: cancel pmsr_free_wk in cfg80211_pmsr_wdev_down (Jose Ignacio Tornos Martinez) [RHEL-240485] {CVE-2026-68404}
- wifi: mac80211: defer link RX stats percpu free to RCU (Jose Ignacio Tornos Martinez) [RHEL-263788] {CVE-2026-68409}
- wifi: mac80211: bounds-check link_id in ieee80211_ml_epcs (Jose Ignacio Tornos Martinez) [RHEL-259560] {CVE-2026-64030}
- ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CKI Backport Bot) [RHEL-261686] {CVE-2026-72262}
- net/iucv: fix use-after-free of a severed iucv_path (CKI Backport Bot) [RHEL-260511] {CVE-2026-68140}
- netfilter: nft_lookup: fix catchall element handling with inverted lookups (CKI Backport Bot) [RHEL-261293] {CVE-2026-72320}
- ALSA: usx2y: bound the hwdep mmap fault offset (CKI Backport Bot) [RHEL-256448] {CVE-2026-74641}
- net/sched: act_tunnel_key: Defer dst_release to RCU callback (CKI Backport Bot) [RHEL-237219] {CVE-2026-68377}
- net/sched: act_ct: Only release RCU read lock after ct_ft (CKI Backport Bot) [RHEL-229654] {CVE-2026-46319}
- net/sched: taprio: fix use-after-free in advance_sched() on schedule switch (CKI Backport Bot) [RHEL-226490] {CVE-2026-53011}