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ELSA-2026-27811

ELSA-2026-27811 - kernel security update

Type:SECURITY
Impact:IMPORTANT
Release Date:2026-06-23

Description


[4.18.0-553.137.1]
- 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]
- 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]

[4.18.0-553.137.1]
- selinux: RHEL-only hotfix for execmem regression (Ondrej Mosnacek) [RHEL-179435] {CVE-2026-46054}
- selinux: fix overlayfs mmap() and mprotect() access checks (Ondrej Mosnacek) [RHEL-179435] {CVE-2026-46054}
- lsm: add backing_file LSM hooks (Ondrej Mosnacek) [RHEL-179435] {CVE-2026-46054}
- fs: prepare for adding LSM blob to backing_file (Ondrej Mosnacek) [RHEL-179435] {CVE-2026-46054}
- perf/core: Fix MMAP event path names with backing files (Ondrej Mosnacek) [RHEL-179435]
- fs: constify file ptr in backing_file accessor helpers (Ondrej Mosnacek) [RHEL-179435] {CVE-2026-46054}
- ovl: Fix nested backing file paths (Ondrej Mosnacek) [RHEL-179435]
- fs: store real path instead of fake path in backing file f_path (Ondrej Mosnacek) [RHEL-179435]
- fs: create helper file_user_path() for user displayed mapped file path (Ondrej Mosnacek) [RHEL-179435]
- fs: get mnt_writers count for an open backing file's real path (Ondrej Mosnacek) [RHEL-179435]
- fs: move cleanup from init_file() into its callers (Ondrej Mosnacek) [RHEL-179435]
- fs: use backing_file container for internal files with 'fake' f_path (Ondrej Mosnacek) [RHEL-179435]
- fs: move kmem_cache_zalloc() into alloc_empty_file*() helpers (Ondrej Mosnacek) [RHEL-179435]
- ovl: pass layer mnt to ovl_open_realfile() (Ondrej Mosnacek) [RHEL-179435]


Related CVEs


CVE-2026-46054

Updated Packages


Release/ArchitectureFilenamesha256Superseded By AdvisoryChannel Label
Oracle Linux 8 (aarch64) kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_aarch64_baseos_latest
kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_aarch64_codeready_builder
kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_aarch64_u10_baseos_patch
bpftool-4.18.0-553.137.1.el8_10.aarch64.rpme82b89eb2791465f68f9f4a3fba9d8a59ed8aa4055f674e092475fd3deaea1ad-ol8_aarch64_baseos_latest
bpftool-4.18.0-553.137.1.el8_10.aarch64.rpme82b89eb2791465f68f9f4a3fba9d8a59ed8aa4055f674e092475fd3deaea1ad-ol8_aarch64_u10_baseos_patch
kernel-cross-headers-4.18.0-553.137.1.el8_10.aarch64.rpmcda7fb3c202d6d99996c116fc4d1c6c289596accda48ff336c77a86330d1aaae-ol8_aarch64_baseos_latest
kernel-cross-headers-4.18.0-553.137.1.el8_10.aarch64.rpmcda7fb3c202d6d99996c116fc4d1c6c289596accda48ff336c77a86330d1aaae-ol8_aarch64_u10_baseos_patch
kernel-headers-4.18.0-553.137.1.el8_10.aarch64.rpm11560e15ae21bb8c4d51553cd6e07c86fe2b5ca37f27d849083de152d4b1234d-ol8_aarch64_baseos_latest
kernel-headers-4.18.0-553.137.1.el8_10.aarch64.rpm11560e15ae21bb8c4d51553cd6e07c86fe2b5ca37f27d849083de152d4b1234d-ol8_aarch64_u10_baseos_patch
kernel-tools-4.18.0-553.137.1.el8_10.aarch64.rpmf1181f7783e19f6ea6cc62d141cc1a7be0ab90d5e9842e6707606a3b109b883d-ol8_aarch64_baseos_latest
kernel-tools-4.18.0-553.137.1.el8_10.aarch64.rpmf1181f7783e19f6ea6cc62d141cc1a7be0ab90d5e9842e6707606a3b109b883d-ol8_aarch64_u10_baseos_patch
kernel-tools-libs-4.18.0-553.137.1.el8_10.aarch64.rpm6219fc67f6feb46ceda6271e038df467511cd4ab16b196a5d6de729c80f34988-ol8_aarch64_baseos_latest
kernel-tools-libs-4.18.0-553.137.1.el8_10.aarch64.rpm6219fc67f6feb46ceda6271e038df467511cd4ab16b196a5d6de729c80f34988-ol8_aarch64_u10_baseos_patch
kernel-tools-libs-devel-4.18.0-553.137.1.el8_10.aarch64.rpm4d09395a39f35a5b4e716727399a241aa52de63b0057f2b70a3decf6b17c900d-ol8_aarch64_codeready_builder
perf-4.18.0-553.137.1.el8_10.aarch64.rpmb815dacdf8f86e31334e479736ecde34a10a903e69ddddd20f7e9d11b30d0c2c-ol8_aarch64_baseos_latest
perf-4.18.0-553.137.1.el8_10.aarch64.rpmb815dacdf8f86e31334e479736ecde34a10a903e69ddddd20f7e9d11b30d0c2c-ol8_aarch64_u10_baseos_patch
python3-perf-4.18.0-553.137.1.el8_10.aarch64.rpm4fc47fca66f9c7ab136d44af0fdb9e8f58f0f08c6b77424f408fc0afbff408ab-ol8_aarch64_baseos_latest
python3-perf-4.18.0-553.137.1.el8_10.aarch64.rpm4fc47fca66f9c7ab136d44af0fdb9e8f58f0f08c6b77424f408fc0afbff408ab-ol8_aarch64_u10_baseos_patch
Oracle Linux 8 (x86_64) kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_x86_64_baseos_latest
kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_x86_64_codeready_builder
kernel-4.18.0-553.137.1.el8_10.src.rpm9d1f67f3418afd3ee0451d133193fbf52305ab0a337799517a2c44ea582d5832-ol8_x86_64_u10_baseos_patch
bpftool-4.18.0-553.137.1.el8_10.x86_64.rpm600880d6da3f9d88487b7f96635fd010033a4f26d61da34995539384180ca103-ol8_x86_64_baseos_latest
bpftool-4.18.0-553.137.1.el8_10.x86_64.rpm600880d6da3f9d88487b7f96635fd010033a4f26d61da34995539384180ca103-ol8_x86_64_u10_baseos_patch
kernel-4.18.0-553.137.1.el8_10.x86_64.rpm002d656f65cb85358781c7f865c99f192d59e9aca4bbf084c6de69d636673f89-ol8_x86_64_baseos_latest
kernel-4.18.0-553.137.1.el8_10.x86_64.rpm002d656f65cb85358781c7f865c99f192d59e9aca4bbf084c6de69d636673f89-ol8_x86_64_u10_baseos_patch
kernel-abi-stablelists-4.18.0-553.137.1.el8_10.noarch.rpm39e8a5a63efe9b1091a43a30d70cc64718b2fd8a01e5fb016ffff69b4baeb6df-ol8_x86_64_baseos_latest
kernel-abi-stablelists-4.18.0-553.137.1.el8_10.noarch.rpm39e8a5a63efe9b1091a43a30d70cc64718b2fd8a01e5fb016ffff69b4baeb6df-ol8_x86_64_u10_baseos_patch
kernel-core-4.18.0-553.137.1.el8_10.x86_64.rpma6bfcd3a572482ba0ddaad36ce7dd7099428ad3538ed39015a763ee61b73edf5-ol8_x86_64_baseos_latest
kernel-core-4.18.0-553.137.1.el8_10.x86_64.rpma6bfcd3a572482ba0ddaad36ce7dd7099428ad3538ed39015a763ee61b73edf5-ol8_x86_64_u10_baseos_patch
kernel-cross-headers-4.18.0-553.137.1.el8_10.x86_64.rpm2007cc10ce7d7a84a51b41eb9c556fb41f32a1c5d28755f24280244c2637588e-ol8_x86_64_baseos_latest
kernel-cross-headers-4.18.0-553.137.1.el8_10.x86_64.rpm2007cc10ce7d7a84a51b41eb9c556fb41f32a1c5d28755f24280244c2637588e-ol8_x86_64_u10_baseos_patch
kernel-debug-4.18.0-553.137.1.el8_10.x86_64.rpm4005c2ae4584262c7f2fedcb651670a7ed9262f6ce20b8aedc9becef17c9de7c-ol8_x86_64_baseos_latest
kernel-debug-4.18.0-553.137.1.el8_10.x86_64.rpm4005c2ae4584262c7f2fedcb651670a7ed9262f6ce20b8aedc9becef17c9de7c-ol8_x86_64_u10_baseos_patch
kernel-debug-core-4.18.0-553.137.1.el8_10.x86_64.rpm13372767bd285bb5302152427a11a18fa6e1201fa5596e5306360f848685394e-ol8_x86_64_baseos_latest
kernel-debug-core-4.18.0-553.137.1.el8_10.x86_64.rpm13372767bd285bb5302152427a11a18fa6e1201fa5596e5306360f848685394e-ol8_x86_64_u10_baseos_patch
kernel-debug-devel-4.18.0-553.137.1.el8_10.x86_64.rpm01d7c3a04f090fdd7c20ea3da42f32209b4736cb64498fb149880c1ae22f933a-ol8_x86_64_baseos_latest
kernel-debug-devel-4.18.0-553.137.1.el8_10.x86_64.rpm01d7c3a04f090fdd7c20ea3da42f32209b4736cb64498fb149880c1ae22f933a-ol8_x86_64_u10_baseos_patch
kernel-debug-modules-4.18.0-553.137.1.el8_10.x86_64.rpm5dc578e00d25e288c9ba1dfeaacf16272b0d110b43cddb3931579f8731a10380-ol8_x86_64_baseos_latest
kernel-debug-modules-4.18.0-553.137.1.el8_10.x86_64.rpm5dc578e00d25e288c9ba1dfeaacf16272b0d110b43cddb3931579f8731a10380-ol8_x86_64_u10_baseos_patch
kernel-debug-modules-extra-4.18.0-553.137.1.el8_10.x86_64.rpmbb653ff3fd8f08c88fc54c458d36fc88cd6c6f789856ad7ca6871d64ec994155-ol8_x86_64_baseos_latest
kernel-debug-modules-extra-4.18.0-553.137.1.el8_10.x86_64.rpmbb653ff3fd8f08c88fc54c458d36fc88cd6c6f789856ad7ca6871d64ec994155-ol8_x86_64_u10_baseos_patch
kernel-devel-4.18.0-553.137.1.el8_10.x86_64.rpm3ff51776f3e7e0860bd2371f108cf95b2095bcfc36572a8f5391fbc9e4f05e8d-ol8_x86_64_baseos_latest
kernel-devel-4.18.0-553.137.1.el8_10.x86_64.rpm3ff51776f3e7e0860bd2371f108cf95b2095bcfc36572a8f5391fbc9e4f05e8d-ol8_x86_64_u10_baseos_patch
kernel-doc-4.18.0-553.137.1.el8_10.noarch.rpme35ff427b8519d0183896e73065ad65f2e4a80332ddc90e7a9008b9b9878c62c-ol8_x86_64_baseos_latest
kernel-doc-4.18.0-553.137.1.el8_10.noarch.rpme35ff427b8519d0183896e73065ad65f2e4a80332ddc90e7a9008b9b9878c62c-ol8_x86_64_u10_baseos_patch
kernel-headers-4.18.0-553.137.1.el8_10.x86_64.rpmf86cc6e3786161fd765a92b3e84f6c72d59080c83b9c5fbbcd947f39fc966d7a-ol8_x86_64_baseos_latest
kernel-headers-4.18.0-553.137.1.el8_10.x86_64.rpmf86cc6e3786161fd765a92b3e84f6c72d59080c83b9c5fbbcd947f39fc966d7a-ol8_x86_64_u10_baseos_patch
kernel-modules-4.18.0-553.137.1.el8_10.x86_64.rpm57ea6ddfc23b572c3b3e1079d773ea5beeffafb0f2b51697bf911c683194caba-ol8_x86_64_baseos_latest
kernel-modules-4.18.0-553.137.1.el8_10.x86_64.rpm57ea6ddfc23b572c3b3e1079d773ea5beeffafb0f2b51697bf911c683194caba-ol8_x86_64_u10_baseos_patch
kernel-modules-extra-4.18.0-553.137.1.el8_10.x86_64.rpm4f414a5e138bf80e8e92d328fdecc4d89f5ccbb0ac11498bad9df7079221e316-ol8_x86_64_baseos_latest
kernel-modules-extra-4.18.0-553.137.1.el8_10.x86_64.rpm4f414a5e138bf80e8e92d328fdecc4d89f5ccbb0ac11498bad9df7079221e316-ol8_x86_64_u10_baseos_patch
kernel-tools-4.18.0-553.137.1.el8_10.x86_64.rpm8e03ea7857cd11404bd7c54af6c9d3cab437662bd57b22a8be6810da8793562c-ol8_x86_64_baseos_latest
kernel-tools-4.18.0-553.137.1.el8_10.x86_64.rpm8e03ea7857cd11404bd7c54af6c9d3cab437662bd57b22a8be6810da8793562c-ol8_x86_64_u10_baseos_patch
kernel-tools-libs-4.18.0-553.137.1.el8_10.x86_64.rpm996fcab484022bdee33b2157c3ced2ad00f7d2fb6fc4c8f9a4123e42be01b631-ol8_x86_64_baseos_latest
kernel-tools-libs-4.18.0-553.137.1.el8_10.x86_64.rpm996fcab484022bdee33b2157c3ced2ad00f7d2fb6fc4c8f9a4123e42be01b631-ol8_x86_64_u10_baseos_patch
kernel-tools-libs-devel-4.18.0-553.137.1.el8_10.x86_64.rpm9d4a528a1f28cc30f7934f3c6355b4fb1cbf809f22000db79c331cc75c3a5d5f-ol8_x86_64_codeready_builder
perf-4.18.0-553.137.1.el8_10.x86_64.rpmed05cee1d88eae7567bb051e74f22b5311154525fbc571029bbe5356cd70626e-ol8_x86_64_baseos_latest
perf-4.18.0-553.137.1.el8_10.x86_64.rpmed05cee1d88eae7567bb051e74f22b5311154525fbc571029bbe5356cd70626e-ol8_x86_64_u10_baseos_patch
python3-perf-4.18.0-553.137.1.el8_10.x86_64.rpmbd774fed2ba282732fd1614a642bd440350cb09958931a47255a63b7e1c42ef6-ol8_x86_64_baseos_latest
python3-perf-4.18.0-553.137.1.el8_10.x86_64.rpmbd774fed2ba282732fd1614a642bd440350cb09958931a47255a63b7e1c42ef6-ol8_x86_64_u10_baseos_patch



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