[El-errata] ELSA-2026-49214 Important: Oracle Linux 8 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-49214

http://linux.oracle.com/errata/ELSA-2026-49214.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
bpftool-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.150.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.150.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.150.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.150.1.el8_10.x86_64.rpm
perf-4.18.0-553.150.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.150.1.el8_10.x86_64.rpm

aarch64:
bpftool-4.18.0-553.150.1.el8_10.aarch64.rpm
kernel-cross-headers-4.18.0-553.150.1.el8_10.aarch64.rpm
kernel-headers-4.18.0-553.150.1.el8_10.aarch64.rpm
kernel-tools-4.18.0-553.150.1.el8_10.aarch64.rpm
kernel-tools-libs-4.18.0-553.150.1.el8_10.aarch64.rpm
kernel-tools-libs-devel-4.18.0-553.150.1.el8_10.aarch64.rpm
perf-4.18.0-553.150.1.el8_10.aarch64.rpm
python3-perf-4.18.0-553.150.1.el8_10.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.150.1.el8_10.src.rpm

Related CVEs:

CVE-2026-31692
CVE-2026-43116
CVE-2026-46150
CVE-2026-64530




Description of changes:

[4.18.0-553.150.1]
- 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]

[4.18.0-553.150.1]
- net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle (CKI Backport Bot) [RHEL-213300] {CVE-2026-64530}
- netfilter: ctnetlink: ensure safe access to master conntrack (Florian Westphal) [RHEL-173877] {CVE-2026-43116}

[4.18.0-553.149.1]
- rtnetlink: add missing netlink_ns_capable() check for peer netns (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnetlink: Try the outer netns attribute in rtnl_get_peer_net(). (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnetlink: fix double call of rtnl_link_get_net_ifla() (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- vxcan: Set VXCAN_INFO_PEER to vxcan_link_ops.peer_type. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- veth: Set VETH_INFO_PEER to veth_link_ops.peer_type. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnetlink: Add peer_type in struct rtnl_link_ops. (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- net: validate veth and vxcan peer ifindexes (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnl: move rtnl_newlink_create() (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnl: split __rtnl_newlink() into two functions (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- rtnl: allocate more attr tables on the heap (Guillaume Nault) [RHEL-172526] {CVE-2026-31692}
- fanotify: fix false positive on permission events (Miklos Szeredi) [RHEL-180075] {CVE-2026-46150}