ELBA-2026-83157-1

ELBA-2026-83157-1 - kernel bug fix update

Type:	BUG
Impact:	NA
Release Date:	2026-10-17

Description

[4.18.0-553.174.1.0.1]
- scsi: core: Restrict legal sdev_state transitions via sysfs (Uday Shankar) [Orabug: 37778230]

[4.18.0-553.174.1]
- 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]

[4.18.0-553.174.1]
- powerpc/pseries: pci - logic bug (Mamatha Inamdar) [RHEL-240146]
- md/raid5-ppl: fix use-after-free in ppl_do_flush() (CKI Backport Bot) [RHEL-278122] {CVE-2026-93262}
- svcrdma: Reject Write/Reply chunks with segcount 0 (Olga Kornievskaia) [RHEL-275085] {CVE-2026-93228}
- svcrdma: Address an integer overflow (Olga Kornievskaia) [RHEL-275085] {CVE-2024-53151}
- NFSD: Prevent client use-after-free during blocked-lock reaping (Olga Kornievskaia) [RHEL-270899] {CVE-2026-90036}
- svcrdma: Validate Read chunk positions before reconstruction (Olga Kornievskaia) [RHEL-271446] {CVE-2026-89526}
- udp: fix potential use-after-free in tunnel segmentation (Antoine Tenart) [RHEL-268111] {CVE-2026-74705}
- ASoC: SOF: ipc3-control: Fix heap overflow in bytes_ext put/get (CKI Backport Bot) [RHEL-261680] {CVE-2026-72262}
- ALSA: usx2y: bound the hwdep mmap fault offset (CKI Backport Bot) [RHEL-256443] {CVE-2026-74641}
- net/sched: cls_route: fix fastmap use-after-free on filter (CKI Backport Bot) [RHEL-248781] {CVE-2026-74583}
- net/sched: act_tunnel_key: Defer dst_release to RCU callback (CKI Backport Bot) [RHEL-240916] {CVE-2026-68377}

[4.18.0-553.173.1]
- drm/amdkfd: Add TLB flush after MES queue eviction/suspension (Jocelyn Falempe) [RHEL-262108] {CVE-2026-89811}
- drm/amd/display: set new_stream to NULL after release (Jocelyn Falempe) [RHEL-260521] {CVE-2026-68236}
- drm/vmwgfx: use check_add_overflow for shader size+offset bound (Jocelyn Falempe) [RHEL-258131] {CVE-2026-80887}
- drm/amdgpu/vce: fix integer overflow in image size (Jocelyn Falempe) [RHEL-237823 RHEL-268877] {CVE-2026-68108}
- drm/dp/mst: fix buffer overflows in sideband chunk accumulation (Jocelyn Falempe) [RHEL-240862] {CVE-2026-68278}
- ipv6: validate extension header length before copying to cmsg (Antoine Tenart) [RHEL-225371] {CVE-2026-63920}
- wifi: mac80211: defer link RX stats percpu free to RCU (CKI Backport Bot) [RHEL-263760] {CVE-2026-68409}
- cifs: validate DFS referral string offsets (CKI Backport Bot) [RHEL-261990] {CVE-2026-72318}
- openvswitch: vport: fix self-deadlock on release of tunnel ports (Timothy Redaelli) [RHEL-253844] {CVE-2026-31678}
- openvswitch: defer tunnel netdev_put to RCU release (Timothy Redaelli) [RHEL-253844] {CVE-2026-31678}

[4.18.0-553.172.1]
- svcrdma: Reject inline replies that overflow the pull-up buffer (Roberto Bergantinos Corpas) [RHEL-187743] {CVE-2026-89530}
- packet: use consistent hard_header_len in TX_RING send path (Jamie Bainbridge) [RHEL-244539]
- net: remove CAP_SYS_RAWIO zero-padding in dev_validate_header (Jamie Bainbridge) [RHEL-244539]
- packet: use consistent hard_header_len in non-ring send paths (Jamie Bainbridge) [RHEL-244539] {CVE-2026-74582}
- net/ip6_tunnel: Prevent perpetual tunnel growth (Jamie Bainbridge) [RHEL-244539]
- net: tunnels: annotate lockless accesses to dev->needed_headroom (Jamie Bainbridge) [RHEL-244539]
- vsock/vmci: fix UAF when peer resets connection during handshake (CKI Backport Bot) [RHEL-232253] {CVE-2026-64115}

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 8 (x86_64)	kernel-4.18.0-553.174.1.0.1.el8_10.src.rpm	11d05d69bb41026db703c41145f4dc9dd834b0fdb8f76f02250dfdf766c0de65	-	ol8_x86_64_MODRHCK
	bpftool-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	788ddaa2128b6694f0ec719dcaa88a170e702db200dd0835f02ec14a87b397e6	-	ol8_x86_64_MODRHCK
	kernel-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	438b8baab8a9949b17057811b6bf9aaebbcdaadbb57d582eca6428a46e04523e	-	ol8_x86_64_MODRHCK
	kernel-abi-stablelists-4.18.0-553.174.1.0.1.el8_10.noarch.rpm	8d488fb7eb51f9552dfac4e60480ed2d941539ecbcb06390b8a387932c65f7c4	-	ol8_x86_64_MODRHCK
	kernel-core-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	f1353bedc01a8af6029a2b4452087ee3118b421ac5cd7e56e52eff338b01b756	-	ol8_x86_64_MODRHCK
	kernel-cross-headers-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	e961284496ba445ca4f51d9b178b35525399c7aa8ae74f56b0a7703fd060bffd	-	ol8_x86_64_MODRHCK
	kernel-debug-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	e0546f208185714b375a50ce31cbf0daa3bb470680214efd7032c1726c67f748	-	ol8_x86_64_MODRHCK
	kernel-debug-core-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	dcca4a9ff0a952b24fc42961aed255583e7ff37befeabdfad3ae9d899f956600	-	ol8_x86_64_MODRHCK
	kernel-debug-devel-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	39248d500b52db9baf56b91fda667fc3c3fd69370144d2998093c083a5926779	-	ol8_x86_64_MODRHCK
	kernel-debug-modules-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	337c474fd7731434b00e464d8b886e38c88f5491c2b751405675373134fcc2a8	-	ol8_x86_64_MODRHCK
	kernel-debug-modules-extra-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	e8569517a30cdb6445de83a9b5f7dd91e087d673ae769b571d2f9064f7fbe13a	-	ol8_x86_64_MODRHCK
	kernel-devel-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	d4ffb0074dd230eb30761d86c49d73970fc684c2e00f1b758391c3402944a582	-	ol8_x86_64_MODRHCK
	kernel-doc-4.18.0-553.174.1.0.1.el8_10.noarch.rpm	34fdb96d518c9fd51407ef1862c795ff64e749348f7147ecb01ea2ccb7175769	-	ol8_x86_64_MODRHCK
	kernel-headers-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	e06067ec32d47c39866c2c3fa3da68b1a7b6d1c3552c409ae8f209b5a92de4f9	-	ol8_x86_64_MODRHCK
	kernel-modules-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	118cb7d75bcfa9f02d1527a5ff44d3f52f945b08e529b59f71ba06daf21169ee	-	ol8_x86_64_MODRHCK
	kernel-modules-extra-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	595a5962f3513fd441010440f08312aa6dedc137bacce32881998cf0a8ebbbdf	-	ol8_x86_64_MODRHCK
	kernel-tools-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	5bb1eed9d5a73d00f7ae72bba8b42926a06551303cd5e4eb856e05b4fd98462f	-	ol8_x86_64_MODRHCK
	kernel-tools-libs-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	a802eb1f91b1a2d6065613e793e208109d319730654a1cae22f4fe9a0b8fbc5f	-	ol8_x86_64_MODRHCK
	kernel-tools-libs-devel-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	fceafc2585aefbcc7e15ebcea4b8684d41a0c809e57ecd16d8fef5d39a09687f	-	ol8_x86_64_MODRHCK
	perf-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	4fdeb66985b8a7a779760d04b0c4b2efd73b956b697d8cdcb1cca9e52c7177ad	-	ol8_x86_64_MODRHCK
	python3-perf-4.18.0-553.174.1.0.1.el8_10.x86_64.rpm	cd69e4c28c506e2d1981a1600194e561e08d355b21950453898c1014443ead14	-	ol8_x86_64_MODRHCK

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