[El-errata] ELBA-2026-68531-1 Oracle Linux 8 kernel bug fix update

Tue Sep 22 09:12:41 UTC 2026

Oracle Linux Bug Fix Advisory ELBA-2026-68531-1

http://linux.oracle.com/errata/ELBA-2026-68531-1.html

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

x86_64:
bpftool-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.164.1.0.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.164.1.0.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
perf-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.164.1.0.1.el8_10.x86_64.rpm

SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.164.1.0.1.el8_10.src.rpm

Description of changes:

[4.18.0-553.164.1.0.1]
- scsi: core: Restrict legal sdev_state transitions via sysfs (Uday Shankar) [Orabug: 37778230]

[4.18.0-553.164.1]
- 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]

[4.18.0-553.164.1]
- net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() (Izabela Bakollari) [RHEL-244096] {CVE-2026-72298}
- ipv6: sit: reload inner IPv6 header after GSO offloads (Jamie Bainbridge) [RHEL-225905] {CVE-2026-53228}
- ipvlan: Make the addrs_lock be per port (Jamie Bainbridge) [RHEL-229962] {CVE-2026-23103}
- xfrm: Fix dev use-after-free in xfrm async resumption (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663}
- xfrm: hold dev ref until after transport_finish NF_HOOK (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663}
- xfrm: hold device only for the asynchronous decryption (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663}
- xfrm: input: hold netns during deferred transport reinjection (Sabrina Dubroca) [RHEL-227504] {CVE-2026-63919}
- xfrm: fix stale skb->prev after async crypto steals a GSO segment (Sabrina Dubroca) [RHEL-236099] {CVE-2026-68426}
- xfrm: propagate -EINPROGRESS from validate_xmit_xfrm() (Sabrina Dubroca) [RHEL-236099] {CVE-2026-68426}
- xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (Sabrina Dubroca) [RHEL-227976] {CVE-2026-53239}
- ip6: vti: Use ip6_tnl.net in vti6_changelink(). (Sabrina Dubroca) [RHEL-231741] {CVE-2026-63917}
- ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate(). (Sabrina Dubroca) [RHEL-228934] {CVE-2026-63921}
- inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (Jamie Bainbridge) [RHEL-226122] {CVE-2026-46266}
- ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (Jamie Bainbridge) [RHEL-227265] {CVE-2026-64002}
- ppp: require CAP_NET_ADMIN in target netns for unattached ioctls (Jamie Bainbridge) [RHEL-227981] {CVE-2026-53075}
- ipv6: mcast: Fix use-after-free when processing MLD queries (Jamie Bainbridge) [RHEL-226057] {CVE-2026-53275}
- net: guard timestamp cmsgs to real error queue skbs (Jamie Bainbridge) [RHEL-225848] {CVE-2026-53223}
- flow_dissector: do not dissect PPPoE PFC frames (Jamie Bainbridge) [RHEL-232609] {CVE-2026-46306}
- ipv6: prevent possible UaF in addrconf_permanent_addr() (Jamie Bainbridge) [RHEL-225595] {CVE-2026-43339}
- net: slip: serialize receive against buffer reallocation (Michal Schmidt) [RHEL-237390] {CVE-2026-68143}
- slip: not call free_netdev before rtnl_unlock in slip_open (Michal Schmidt) [RHEL-237390]
- slip: Fix use-after-free Read in slip_open (Michal Schmidt) [RHEL-237390]
- slip: Fix memory leak in slip_open error path (Michal Schmidt) [RHEL-237390]
- netfilter: require Ethernet MAC header before using eth_hdr() (CKI Backport Bot) [RHEL-230663] {CVE-2026-53131}
- netfilter: nf_conntrack_h323: fix OOB read in decode_choice() (CKI Backport Bot) [RHEL-230607] {CVE-2026-43233}
- ALSA: timer: Fix UAF at snd_timer_user_params() (CKI Backport Bot) [RHEL-228683] {CVE-2026-53192}
- netfilter: xt_policy: fix strict mode inbound policy matching (CKI Backport Bot) [RHEL-228832] {CVE-2026-52920}
- netfilter: conntrack_irc: fix possible out-of-bounds read (CKI Backport Bot) [RHEL-225240] {CVE-2026-53268}
- IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN (CKI Backport Bot) [RHEL-191599] {CVE-2026-53176}