ELSA-2026-82807

ELSA-2026-82807 - kernel security update

Type:	SECURITY
Impact:	IMPORTANT
Release Date:	2026-10-14

Description

[4.18.0-553.173.1]
- 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]

[4.18.0-553.173.1]
- 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}

Related CVEs

CVE-2026-31678

CVE-2026-63920

CVE-2026-68108

CVE-2026-68236

CVE-2026-68278

CVE-2026-68409

CVE-2026-72318

CVE-2026-80887

CVE-2026-89811

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 8 (aarch64)	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_aarch64_baseos_latest
	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_aarch64_codeready_builder
	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_aarch64_u10_baseos_patch
	bpftool-4.18.0-553.173.1.el8_10.aarch64.rpm	f4fbadcf81f939cf69926067e6cad260218bcde03facb6b0c93ca4da1690dd92	-	ol8_aarch64_baseos_latest
	bpftool-4.18.0-553.173.1.el8_10.aarch64.rpm	f4fbadcf81f939cf69926067e6cad260218bcde03facb6b0c93ca4da1690dd92	-	ol8_aarch64_u10_baseos_patch
	kernel-cross-headers-4.18.0-553.173.1.el8_10.aarch64.rpm	10371eb07a751a12eda87eb7dd18f9b55f88f40326b82b90280eb679cba02d32	-	ol8_aarch64_baseos_latest
	kernel-cross-headers-4.18.0-553.173.1.el8_10.aarch64.rpm	10371eb07a751a12eda87eb7dd18f9b55f88f40326b82b90280eb679cba02d32	-	ol8_aarch64_u10_baseos_patch
	kernel-headers-4.18.0-553.173.1.el8_10.aarch64.rpm	b7f2d4cc18ef3df2437e445cdecfef02f2f9f15fe1e93075f6988644c0607fde	-	ol8_aarch64_baseos_latest
	kernel-headers-4.18.0-553.173.1.el8_10.aarch64.rpm	b7f2d4cc18ef3df2437e445cdecfef02f2f9f15fe1e93075f6988644c0607fde	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-4.18.0-553.173.1.el8_10.aarch64.rpm	73785dfa35bf4b57184da149c838da646b4484521c91a92fe7fcd8e85f24c6bd	-	ol8_aarch64_baseos_latest
	kernel-tools-4.18.0-553.173.1.el8_10.aarch64.rpm	73785dfa35bf4b57184da149c838da646b4484521c91a92fe7fcd8e85f24c6bd	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-libs-4.18.0-553.173.1.el8_10.aarch64.rpm	c13e8de365c8383477abc9213de65694f5d5a7ef3dc0c9c6c5abd3a1c5163acb	-	ol8_aarch64_baseos_latest
	kernel-tools-libs-4.18.0-553.173.1.el8_10.aarch64.rpm	c13e8de365c8383477abc9213de65694f5d5a7ef3dc0c9c6c5abd3a1c5163acb	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-libs-devel-4.18.0-553.173.1.el8_10.aarch64.rpm	5d0e22650b9564cc8369f35603facdcb35400ce9371c1d6fcbbcd383677974a0	-	ol8_aarch64_codeready_builder
	perf-4.18.0-553.173.1.el8_10.aarch64.rpm	0064de2276e44138d4147f952d9929c453f6ff312885d7d4b45675e5e8935b3b	-	ol8_aarch64_baseos_latest
	perf-4.18.0-553.173.1.el8_10.aarch64.rpm	0064de2276e44138d4147f952d9929c453f6ff312885d7d4b45675e5e8935b3b	-	ol8_aarch64_u10_baseos_patch
	python3-perf-4.18.0-553.173.1.el8_10.aarch64.rpm	a8d2c5fe0034bed690bc0fec47a7c90a782473dbd0d7dd245483ea79e7f25684	-	ol8_aarch64_baseos_latest
	python3-perf-4.18.0-553.173.1.el8_10.aarch64.rpm	a8d2c5fe0034bed690bc0fec47a7c90a782473dbd0d7dd245483ea79e7f25684	-	ol8_aarch64_u10_baseos_patch
Oracle Linux 8 (x86_64)	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_x86_64_baseos_latest
	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_x86_64_codeready_builder
	kernel-4.18.0-553.173.1.el8_10.src.rpm	fc1fb93bfc46b387be4f467fe8698f9c0e26a53bf289c14453a9754dcaefcea6	-	ol8_x86_64_u10_baseos_patch
	bpftool-4.18.0-553.173.1.el8_10.x86_64.rpm	caac74987cd9a98d9809700e46dbce791d07a2dd50fbab96b68ee1d86d0d7758	-	ol8_x86_64_baseos_latest
	bpftool-4.18.0-553.173.1.el8_10.x86_64.rpm	caac74987cd9a98d9809700e46dbce791d07a2dd50fbab96b68ee1d86d0d7758	-	ol8_x86_64_u10_baseos_patch
	kernel-4.18.0-553.173.1.el8_10.x86_64.rpm	9fad7fe3b1c685a1d0e96553ca7058f71b6f4113c54d2f8de80335d8122c167a	-	ol8_x86_64_baseos_latest
	kernel-4.18.0-553.173.1.el8_10.x86_64.rpm	9fad7fe3b1c685a1d0e96553ca7058f71b6f4113c54d2f8de80335d8122c167a	-	ol8_x86_64_u10_baseos_patch
	kernel-abi-stablelists-4.18.0-553.173.1.el8_10.noarch.rpm	20acac7066e336d8d17120600f9a6dfd9145ca2f4dec68257df95c9fecf8f5d8	-	ol8_x86_64_baseos_latest
	kernel-abi-stablelists-4.18.0-553.173.1.el8_10.noarch.rpm	20acac7066e336d8d17120600f9a6dfd9145ca2f4dec68257df95c9fecf8f5d8	-	ol8_x86_64_u10_baseos_patch
	kernel-core-4.18.0-553.173.1.el8_10.x86_64.rpm	2aa0df820db9c9de024a1d83ae44246a827bc3fa6482548ad579e5e4db4e4360	-	ol8_x86_64_baseos_latest
	kernel-core-4.18.0-553.173.1.el8_10.x86_64.rpm	2aa0df820db9c9de024a1d83ae44246a827bc3fa6482548ad579e5e4db4e4360	-	ol8_x86_64_u10_baseos_patch
	kernel-cross-headers-4.18.0-553.173.1.el8_10.x86_64.rpm	66b986c5e0b460af8043e1afd67a7aad909cb6b52066f922c6155bb1d350a0f6	-	ol8_x86_64_baseos_latest
	kernel-cross-headers-4.18.0-553.173.1.el8_10.x86_64.rpm	66b986c5e0b460af8043e1afd67a7aad909cb6b52066f922c6155bb1d350a0f6	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-4.18.0-553.173.1.el8_10.x86_64.rpm	5707d14de29791f066d0d15e39fd4ebacf354f6dc558f52f374f6d12c68eff22	-	ol8_x86_64_baseos_latest
	kernel-debug-4.18.0-553.173.1.el8_10.x86_64.rpm	5707d14de29791f066d0d15e39fd4ebacf354f6dc558f52f374f6d12c68eff22	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-core-4.18.0-553.173.1.el8_10.x86_64.rpm	cc347cdcf4c1fd4188169f884f3bab58adebf4f801191f8889e05f981708090f	-	ol8_x86_64_baseos_latest
	kernel-debug-core-4.18.0-553.173.1.el8_10.x86_64.rpm	cc347cdcf4c1fd4188169f884f3bab58adebf4f801191f8889e05f981708090f	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-devel-4.18.0-553.173.1.el8_10.x86_64.rpm	60cde277c84a4dd5f600141859da87a792644b53a7a0a151675f568ac2d18fd9	-	ol8_x86_64_baseos_latest
	kernel-debug-devel-4.18.0-553.173.1.el8_10.x86_64.rpm	60cde277c84a4dd5f600141859da87a792644b53a7a0a151675f568ac2d18fd9	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-modules-4.18.0-553.173.1.el8_10.x86_64.rpm	94c946ecc262c1cdda5e38e8e89ae8bf80fbc2c436dfd2d75a1c2b4715779955	-	ol8_x86_64_baseos_latest
	kernel-debug-modules-4.18.0-553.173.1.el8_10.x86_64.rpm	94c946ecc262c1cdda5e38e8e89ae8bf80fbc2c436dfd2d75a1c2b4715779955	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-modules-extra-4.18.0-553.173.1.el8_10.x86_64.rpm	0b68930f5f41ea0d5c41122260ef9e4610b9cfa1fae9377ec2d6368191adb7fb	-	ol8_x86_64_baseos_latest
	kernel-debug-modules-extra-4.18.0-553.173.1.el8_10.x86_64.rpm	0b68930f5f41ea0d5c41122260ef9e4610b9cfa1fae9377ec2d6368191adb7fb	-	ol8_x86_64_u10_baseos_patch
	kernel-devel-4.18.0-553.173.1.el8_10.x86_64.rpm	a8af25447ba47833bb5b28689310e7e49e53af88d033fc4d2b27f421c098e787	-	ol8_x86_64_baseos_latest
	kernel-devel-4.18.0-553.173.1.el8_10.x86_64.rpm	a8af25447ba47833bb5b28689310e7e49e53af88d033fc4d2b27f421c098e787	-	ol8_x86_64_u10_baseos_patch
	kernel-doc-4.18.0-553.173.1.el8_10.noarch.rpm	93ba14f021b03712a8e2694989d8fb3c77aa1768ffa6b0d002cb51a7c03b794d	-	ol8_x86_64_baseos_latest
	kernel-doc-4.18.0-553.173.1.el8_10.noarch.rpm	93ba14f021b03712a8e2694989d8fb3c77aa1768ffa6b0d002cb51a7c03b794d	-	ol8_x86_64_u10_baseos_patch
	kernel-headers-4.18.0-553.173.1.el8_10.x86_64.rpm	6327cacdb0307f4115b0ba1ed69f8a4ed1c48e9bb39c432a708895ff81538b22	-	ol8_x86_64_baseos_latest
	kernel-headers-4.18.0-553.173.1.el8_10.x86_64.rpm	6327cacdb0307f4115b0ba1ed69f8a4ed1c48e9bb39c432a708895ff81538b22	-	ol8_x86_64_u10_baseos_patch
	kernel-modules-4.18.0-553.173.1.el8_10.x86_64.rpm	907327fb5e8a77a3241154252c6b062680c50102f63cf1784065c850ff5e5669	-	ol8_x86_64_baseos_latest
	kernel-modules-4.18.0-553.173.1.el8_10.x86_64.rpm	907327fb5e8a77a3241154252c6b062680c50102f63cf1784065c850ff5e5669	-	ol8_x86_64_u10_baseos_patch
	kernel-modules-extra-4.18.0-553.173.1.el8_10.x86_64.rpm	019686154492d0346a112f1d9897dc0df0d3cd791be6210d6e58f5ee1104530a	-	ol8_x86_64_baseos_latest
	kernel-modules-extra-4.18.0-553.173.1.el8_10.x86_64.rpm	019686154492d0346a112f1d9897dc0df0d3cd791be6210d6e58f5ee1104530a	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-4.18.0-553.173.1.el8_10.x86_64.rpm	340116ff1f21d0caa9d5b4be699d5803277a5d25f57cfe3af946c2b20216bf62	-	ol8_x86_64_baseos_latest
	kernel-tools-4.18.0-553.173.1.el8_10.x86_64.rpm	340116ff1f21d0caa9d5b4be699d5803277a5d25f57cfe3af946c2b20216bf62	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-libs-4.18.0-553.173.1.el8_10.x86_64.rpm	c0b4237e8d7860899c73ff49a1ff3a60eca797fdf0bf9228956d5eadc9ce6120	-	ol8_x86_64_baseos_latest
	kernel-tools-libs-4.18.0-553.173.1.el8_10.x86_64.rpm	c0b4237e8d7860899c73ff49a1ff3a60eca797fdf0bf9228956d5eadc9ce6120	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-libs-devel-4.18.0-553.173.1.el8_10.x86_64.rpm	5312f263e95d2f4db5b0bfcf10a47c9aa5c0ddd535cc957a648844086ac9a03e	-	ol8_x86_64_codeready_builder
	perf-4.18.0-553.173.1.el8_10.x86_64.rpm	d4ab8be8f8aca3b9dd0f297bf4a642ca599726a8380f6be26917c4bb889b14e5	-	ol8_x86_64_baseos_latest
	perf-4.18.0-553.173.1.el8_10.x86_64.rpm	d4ab8be8f8aca3b9dd0f297bf4a642ca599726a8380f6be26917c4bb889b14e5	-	ol8_x86_64_u10_baseos_patch
	python3-perf-4.18.0-553.173.1.el8_10.x86_64.rpm	f7bb9646ccbdd7ba151d29abdb5f6bf4820f07878ad34a23d1eb86799e0c4362	-	ol8_x86_64_baseos_latest
	python3-perf-4.18.0-553.173.1.el8_10.x86_64.rpm	f7bb9646ccbdd7ba151d29abdb5f6bf4820f07878ad34a23d1eb86799e0c4362	-	ol8_x86_64_u10_baseos_patch

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