Summary
[4.18.0-553.134.1]
- 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 <= 15.3-1.0.3
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652]
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772]
[4.18.0-553.134.1]
- wifi: mac80211: remove station if connection prep fails (Jose Ignacio Tornos Martinez) [RHEL-180120] {CVE-2026-46125}
- wifi: mac80211: drop stray 'static' from fast-RX rx_result (CKI Backport Bot) [RHEL-180058] {CVE-2026-46152}
- Bluetooth: hci_event: fix potential UAF in SSP passkey handlers (CKI Backport Bot) [RHEL-179360] {CVE-2026-46056}
- netfilter: flowtable: strictly check for maximum number of actions (Florian Westphal) [RHEL-176909] {CVE-2026-43329}
- netfilter: nf_tables_offload: add nft_flow_action_entry_next() and use it (Florian Westphal) [RHEL-176909] {CVE-2026-43329}
- mptcp: fix slab-use-after-free in __inet_lookup_established (Davide Caratti) [RHEL-171500] {CVE-2026-31669}
- xen/privcmd: fix double free via VMA splitting (Vitaly Kuznetsov) [RHEL-172482] {CVE-2026-31787}
- wifi: brcmfmac: validate bsscfg indices in IF events (CKI Backport Bot) [RHEL-173853] {CVE-2026-43110}
[4.18.0-553.133.1]
- Buffer overflow in drivers/xen/sys-hypervisor.c (CKI Backport Bot) [RHEL-172504] {CVE-2026-31786}
Fixed packages 20
| Release | Package | Fixed in |
|---|---|---|
| Oracle Linux · 8 | bpftool | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-abi-stablelists | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-core | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-cross-headers | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-debug | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-core | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-devel | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-debug-modules-extra | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-devel | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-doc | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-headers | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-modules | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-modules-extra | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-tools | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | kernel-tools-libs-devel | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | perf | 0:4.18.0-553.134.1.el8_10 |
| Oracle Linux · 8 | python3-perf | 0:4.18.0-553.134.1.el8_10 |
Vulnerabilities 8
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Critical 9.8
mptcp: fix slab-use-after-free in __inet_lookup_established
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix slab-use-after-free in __inet_lookup_established The ehash table lookups are lockless and rely on SLAB_TYPESAFE_BY_RCU to guarantee socket memory stability during RCU read-side cri…
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High 8.8
wifi: brcmfmac: validate bsscfg indices in IF events
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr->iflist[], but it still uses the raw b…
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High 8.8
Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: fix potential UAF in SSP passkey handlers hci_conn lookup and field access must be covered by hdev lock in hci_user_passkey_notify_evt() and hci_keypress_notify_evt(), o…
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High 8.8
wifi: mac80211: remove station if connection prep fails
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: remove station if connection prep fails If connection preparation fails for MLO connections, then the interface is completely reset to non-MLD. In this case, we must not keep …
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High 8.8
wifi: mac80211: drop stray 'static' from fast-RX rx_result
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: drop stray 'static' from fast-RX rx_result ieee80211_invoke_fast_rx() is documented as safe for parallel RX, but its per-invocation rx_result is declared static. Concurrent ca…
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High 7.8
Buffer overflow in drivers/xen/sys-hypervisor.c
In the Linux kernel, the following vulnerability has been resolved: Buffer overflow in drivers/xen/sys-hypervisor.c The build id returned by HYPERVISOR_xen_version(XENVER_build_id) is neither NUL terminated nor a string. The first causes a buffer overflow as …
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High 7.8
netfilter: flowtable: strictly check for maximum number of actions
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangling (4 payload actions, 2 for each ethe…
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Unscored —CVE-2026-31787 Public exploit
xen/privcmd: fix double free via VMA splitting
In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: fix double free via VMA splitting privcmd_vm_ops defines .close (privcmd_close), but neither .may_split nor .open. When userspace does a partial munmap() on a privcmd mapping, th…