ELSA-2026-19666

ELSA-2026-19666 - kernel security update

Type:	SECURITY
Impact:	IMPORTANT
Release Date:	2026-05-21

Description

[4.18.0-553.125.1]
- 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]

[4.18.0-553.125.1]
- net: skbuff: propagate shared-frag marker through frag-transfer helpers (Sabrina Dubroca) [RHEL-176090] {CVE-2026-46300}
- net: skbuff: preserve shared-frag marker during coalescing (Sabrina Dubroca) [RHEL-176090] {CVE-2026-46300}
- ptrace: slightly saner 'get_dumpable()' logic (Rafael Aquini) [RHEL-176445] {CVE-2026-46333}

Related CVEs

CVE-2026-46300

CVE-2026-46333

Updated Packages

Release/Architecture	Filename	sha256	Superseded By Advisory	Channel Label
Oracle Linux 8 (aarch64)	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_aarch64_baseos_latest
	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_aarch64_codeready_builder
	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_aarch64_u10_baseos_patch
	bpftool-4.18.0-553.125.1.el8_10.aarch64.rpm	b12b8ba7e63557650c5dcb6cd6c15119884d05c9569b988edddb1f412006c403	-	ol8_aarch64_baseos_latest
	bpftool-4.18.0-553.125.1.el8_10.aarch64.rpm	b12b8ba7e63557650c5dcb6cd6c15119884d05c9569b988edddb1f412006c403	-	ol8_aarch64_u10_baseos_patch
	kernel-cross-headers-4.18.0-553.125.1.el8_10.aarch64.rpm	01b812780ae8efb68821b2dfa5c8ab70af54ad334e1bc5009ccaa2eabb579b6a	-	ol8_aarch64_baseos_latest
	kernel-cross-headers-4.18.0-553.125.1.el8_10.aarch64.rpm	01b812780ae8efb68821b2dfa5c8ab70af54ad334e1bc5009ccaa2eabb579b6a	-	ol8_aarch64_u10_baseos_patch
	kernel-headers-4.18.0-553.125.1.el8_10.aarch64.rpm	dcdefe232e447cf7841726e997b64b8b1709a8e2ab99db9d0f6dd80be7703696	-	ol8_aarch64_baseos_latest
	kernel-headers-4.18.0-553.125.1.el8_10.aarch64.rpm	dcdefe232e447cf7841726e997b64b8b1709a8e2ab99db9d0f6dd80be7703696	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-4.18.0-553.125.1.el8_10.aarch64.rpm	e5c6251beb52dd19246347dce32b304d60d6a468649490df26385d554b589b93	-	ol8_aarch64_baseos_latest
	kernel-tools-4.18.0-553.125.1.el8_10.aarch64.rpm	e5c6251beb52dd19246347dce32b304d60d6a468649490df26385d554b589b93	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-libs-4.18.0-553.125.1.el8_10.aarch64.rpm	474856d98036bd11c303d836964d11533c9ab26f85b1bb6283588b3d6cf1aad4	-	ol8_aarch64_baseos_latest
	kernel-tools-libs-4.18.0-553.125.1.el8_10.aarch64.rpm	474856d98036bd11c303d836964d11533c9ab26f85b1bb6283588b3d6cf1aad4	-	ol8_aarch64_u10_baseos_patch
	kernel-tools-libs-devel-4.18.0-553.125.1.el8_10.aarch64.rpm	4e35ee0b708bd07209df223161d546f15045748914758181c51df589aaea61b5	-	ol8_aarch64_codeready_builder
	perf-4.18.0-553.125.1.el8_10.aarch64.rpm	827bbe65093484efb87623327b378a316cb5be3939d7983d974502751b67183d	-	ol8_aarch64_baseos_latest
	perf-4.18.0-553.125.1.el8_10.aarch64.rpm	827bbe65093484efb87623327b378a316cb5be3939d7983d974502751b67183d	-	ol8_aarch64_u10_baseos_patch
	python3-perf-4.18.0-553.125.1.el8_10.aarch64.rpm	4882202fae9c42e2d15722b0249647a79229f7a27679c374b30670c28d7cf3c9	-	ol8_aarch64_baseos_latest
	python3-perf-4.18.0-553.125.1.el8_10.aarch64.rpm	4882202fae9c42e2d15722b0249647a79229f7a27679c374b30670c28d7cf3c9	-	ol8_aarch64_u10_baseos_patch
Oracle Linux 8 (x86_64)	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_x86_64_baseos_latest
	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_x86_64_codeready_builder
	kernel-4.18.0-553.125.1.el8_10.src.rpm	f875d2213bd61c01f87c0d76d7f9953c768163da71669bf191554e38ae16f57c	-	ol8_x86_64_u10_baseos_patch
	bpftool-4.18.0-553.125.1.el8_10.x86_64.rpm	c4678cd9b852fad7c25028d280a79b0fce9d066116145905f79da50b3a4ad0f0	-	ol8_x86_64_baseos_latest
	bpftool-4.18.0-553.125.1.el8_10.x86_64.rpm	c4678cd9b852fad7c25028d280a79b0fce9d066116145905f79da50b3a4ad0f0	-	ol8_x86_64_u10_baseos_patch
	kernel-4.18.0-553.125.1.el8_10.x86_64.rpm	051d47a71f9ba05f09ad5672913c9e956eaa6b3107370cd9883fec8e793e2056	-	ol8_x86_64_baseos_latest
	kernel-4.18.0-553.125.1.el8_10.x86_64.rpm	051d47a71f9ba05f09ad5672913c9e956eaa6b3107370cd9883fec8e793e2056	-	ol8_x86_64_u10_baseos_patch
	kernel-abi-stablelists-4.18.0-553.125.1.el8_10.noarch.rpm	edbba8b12281e7a8d0c507e9f3171deb99b178062fcef29cd2680e040c1fdbf1	-	ol8_x86_64_baseos_latest
	kernel-abi-stablelists-4.18.0-553.125.1.el8_10.noarch.rpm	edbba8b12281e7a8d0c507e9f3171deb99b178062fcef29cd2680e040c1fdbf1	-	ol8_x86_64_u10_baseos_patch
	kernel-core-4.18.0-553.125.1.el8_10.x86_64.rpm	e74e4f8ac5a090be2c80507b3d9764385adfd732711e0b55b43d00909a78d078	-	ol8_x86_64_baseos_latest
	kernel-core-4.18.0-553.125.1.el8_10.x86_64.rpm	e74e4f8ac5a090be2c80507b3d9764385adfd732711e0b55b43d00909a78d078	-	ol8_x86_64_u10_baseos_patch
	kernel-cross-headers-4.18.0-553.125.1.el8_10.x86_64.rpm	3a16b67f311f2ef417a46e5d93e917341da9b0e645c01303a8e6c70329086f28	-	ol8_x86_64_baseos_latest
	kernel-cross-headers-4.18.0-553.125.1.el8_10.x86_64.rpm	3a16b67f311f2ef417a46e5d93e917341da9b0e645c01303a8e6c70329086f28	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-4.18.0-553.125.1.el8_10.x86_64.rpm	02e5b54672791d1a782d68e2bb3a4f4f665453fef86ef1f034d7e8a959d8ab63	-	ol8_x86_64_baseos_latest
	kernel-debug-4.18.0-553.125.1.el8_10.x86_64.rpm	02e5b54672791d1a782d68e2bb3a4f4f665453fef86ef1f034d7e8a959d8ab63	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-core-4.18.0-553.125.1.el8_10.x86_64.rpm	b1abab11eb2be016fb75c788a8a869f600104ae6179db4eadbb4e30971109535	-	ol8_x86_64_baseos_latest
	kernel-debug-core-4.18.0-553.125.1.el8_10.x86_64.rpm	b1abab11eb2be016fb75c788a8a869f600104ae6179db4eadbb4e30971109535	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-devel-4.18.0-553.125.1.el8_10.x86_64.rpm	80ba1ff0ca58d9f0f99519c817bf18e4b049a4596bab26761e90d967ed8acfc8	-	ol8_x86_64_baseos_latest
	kernel-debug-devel-4.18.0-553.125.1.el8_10.x86_64.rpm	80ba1ff0ca58d9f0f99519c817bf18e4b049a4596bab26761e90d967ed8acfc8	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-modules-4.18.0-553.125.1.el8_10.x86_64.rpm	cb6294b7ad759499d06f393f778d87e447a98eed1948b45fbfc10dfbae442cdc	-	ol8_x86_64_baseos_latest
	kernel-debug-modules-4.18.0-553.125.1.el8_10.x86_64.rpm	cb6294b7ad759499d06f393f778d87e447a98eed1948b45fbfc10dfbae442cdc	-	ol8_x86_64_u10_baseos_patch
	kernel-debug-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm	c0ecc10cb1d97dddc7ce5fa7ea9db7ca60f1b9e83b8e64d6547a154d107bff58	-	ol8_x86_64_baseos_latest
	kernel-debug-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm	c0ecc10cb1d97dddc7ce5fa7ea9db7ca60f1b9e83b8e64d6547a154d107bff58	-	ol8_x86_64_u10_baseos_patch
	kernel-devel-4.18.0-553.125.1.el8_10.x86_64.rpm	509c86e124cabecde9c6d74e431d00027f55c3f4b1095f6ad68f3863aba60004	-	ol8_x86_64_baseos_latest
	kernel-devel-4.18.0-553.125.1.el8_10.x86_64.rpm	509c86e124cabecde9c6d74e431d00027f55c3f4b1095f6ad68f3863aba60004	-	ol8_x86_64_u10_baseos_patch
	kernel-doc-4.18.0-553.125.1.el8_10.noarch.rpm	338af9a3551487c53563bceb0593e0a5c74f2f9269ee0cd3b721b4825f12325c	-	ol8_x86_64_baseos_latest
	kernel-doc-4.18.0-553.125.1.el8_10.noarch.rpm	338af9a3551487c53563bceb0593e0a5c74f2f9269ee0cd3b721b4825f12325c	-	ol8_x86_64_u10_baseos_patch
	kernel-headers-4.18.0-553.125.1.el8_10.x86_64.rpm	949d6ac56492c91b90df2e0aaadae4e2a24eb9ba4672fe0246b7b7e1e6c5b596	-	ol8_x86_64_baseos_latest
	kernel-headers-4.18.0-553.125.1.el8_10.x86_64.rpm	949d6ac56492c91b90df2e0aaadae4e2a24eb9ba4672fe0246b7b7e1e6c5b596	-	ol8_x86_64_u10_baseos_patch
	kernel-modules-4.18.0-553.125.1.el8_10.x86_64.rpm	a7bc48a1f321678a33afd2a8cd6d2a99652120cabfa636c3e27e1b8cfd66c0ca	-	ol8_x86_64_baseos_latest
	kernel-modules-4.18.0-553.125.1.el8_10.x86_64.rpm	a7bc48a1f321678a33afd2a8cd6d2a99652120cabfa636c3e27e1b8cfd66c0ca	-	ol8_x86_64_u10_baseos_patch
	kernel-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm	8a1f8ac7c078cc4cae1cae91e2c64a539a43422839be7aa357a0a334d5893fc1	-	ol8_x86_64_baseos_latest
	kernel-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm	8a1f8ac7c078cc4cae1cae91e2c64a539a43422839be7aa357a0a334d5893fc1	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-4.18.0-553.125.1.el8_10.x86_64.rpm	dd6a7df5d0160eb2fc287013f05ca2230717711841b8b3bf74983f14d6e575e0	-	ol8_x86_64_baseos_latest
	kernel-tools-4.18.0-553.125.1.el8_10.x86_64.rpm	dd6a7df5d0160eb2fc287013f05ca2230717711841b8b3bf74983f14d6e575e0	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-libs-4.18.0-553.125.1.el8_10.x86_64.rpm	f829f6a0d822d6ed4dc2f3cf6ac95b5a8cda5edd10347de317440339421cadb2	-	ol8_x86_64_baseos_latest
	kernel-tools-libs-4.18.0-553.125.1.el8_10.x86_64.rpm	f829f6a0d822d6ed4dc2f3cf6ac95b5a8cda5edd10347de317440339421cadb2	-	ol8_x86_64_u10_baseos_patch
	kernel-tools-libs-devel-4.18.0-553.125.1.el8_10.x86_64.rpm	2566152a21c80bbc43395eb0a7a8c9f0f9fd813b8dd4ab3a2171e342fd2b5f08	-	ol8_x86_64_codeready_builder
	perf-4.18.0-553.125.1.el8_10.x86_64.rpm	130f5348ad3e321590ddb4b3a75a3de85e2a0f1ab1a4448bce40ef20378b20f0	-	ol8_x86_64_baseos_latest
	perf-4.18.0-553.125.1.el8_10.x86_64.rpm	130f5348ad3e321590ddb4b3a75a3de85e2a0f1ab1a4448bce40ef20378b20f0	-	ol8_x86_64_u10_baseos_patch
	python3-perf-4.18.0-553.125.1.el8_10.x86_64.rpm	d5cde1b722831300953aefa9d82ce29832591fe33bb9d6d4bd407d136dcd53d7	-	ol8_x86_64_baseos_latest
	python3-perf-4.18.0-553.125.1.el8_10.x86_64.rpm	d5cde1b722831300953aefa9d82ce29832591fe33bb9d6d4bd407d136dcd53d7	-	ol8_x86_64_u10_baseos_patch

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