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Kernel Security Update — AlmaLinux 8 (ALSA-2026:47011)

This is a security release for AlmaLinux 8. Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.

Critical 9.8 CVSS
AlmaLinux 8

Fix Commands

EL8+ (AlmaLinux/CloudLinux/Rocky)

sudo dnf update

What this means under a SharedLicense license

Kernel flaws of this class (top severity in the notice's own data: CVSS 9.8, CWE-416) are local-attacker material — crashes or privilege-adjacent outcomes — so shared-hosting servers should treat this as routine-priority patching.

aarch64 kernel-debug-core-4.18.0-553.148.1.el8_10.aarch64.rpm 049b7e286452c2fd922a661dc7b9c8dd3c0980452c67016a686ac938273cab34 aarch64 kernel-tools-4.18.0-553.148.1.el8_10.aarch64.rpm 0f20151c91f6544a0099152ccfbbd6d814021133af6c16546fbc0eaf28a9bf4a aarch64 perf-4.18.0-553.148.1.el8_10.aarch64.rpm 1aff44737c324f8b41b63ec52fbe1ffb7d8877d89eec667b8860bd02f2101145 aarch64 kernel-modules-extra-4.18.0-553.148.1.el8_10.aarch64.rpm 2b763d3a9be5485147c1953ca36a24b5bed3668f20718be9596d5be75af5e9d8 aarch64 kernel-headers-4.18.0-553.148.1.el8_10.aarch64.rpm 48b3e646124ecb2a19d06a1a425a456f18019ea66a8c9a315dfa0538a13d3c2e aarch64 kernel-tools-libs-4.18.0-553.148.1.el8_10.aarch64.rpm 6330fad89d6ba9021fd7c731f77e4f3bab4494be83eac355a8c63057794beed0 aarch64 kernel-debug-modules-4.18.0-553.148.1.el8_10.aarch64.rpm 680bd9ece9fada82805433580d0064574591a234bcc6e37bdd3116b119ee78f2 aarch64 kernel-debug-devel-4.18.0-553.148.1.el8_10.aarch64.rpm 6c3111e273670e8521f1dde7927a6370cbd44743a4fe479b22a400de97e5041b aarch64 kernel-devel-4.18.0-553.148.1.el8_10.aarch64.rpm 7036b4fbb59a6394a69de98fc9968ab49890ba41a3fc6e8be8df871b82bdbd32 aarch64 kernel-4.18.0-553.148.1.el8_10.aarch64.rpm 851d41ea569278f73d464213e1ef446d0777111e3c7e0f1bfc5c5b354f2f8ccc aarch64 python3-perf-4.18.0-553.148.1.el8_10.aarch64.rpm 90e25320c69bf944a05001f462eb548dc5a033ae584622335e07057e6ece3532 aarch64 kernel-core-4.18.0-553.148.1.el8_10.aarch64.rpm 9b4a2ebb9d4fda26199022af92cfcae900898e2018b4afa71ab12bceb99099f1 aarch64 kernel-tools-libs-devel-4.18.0-553.148.1.el8_10.aarch64.rpm a1ab7b1dfded3a0668bdaecee8024680c2488794f2e5d40df151ac23b5fe400e aarch64 kernel-debug-modules-extra-4.18.0-553.148.1.el8_10.aarch64.rpm b948df4936047af647a7e420f5c17dd831f3f79b3e8546ca1a49552788609129 aarch64 bpftool-4.18.0-553.148.1.el8_10.aarch64.rpm d18e9cbe72162dc38bac84e0585f3180ffc3815ed8a52266afd6c27805dc428c aarch64 kernel-modules-4.18.0-553.148.1.el8_10.aarch64.rpm e05f04fa470d2877b48cedca034f5c4763f8bf15cb9e4f5a286d4a2d62d5c8c3 aarch64 kernel-debug-4.18.0-553.148.1.el8_10.aarch64.rpm e9863000cd7ca0103c661db8a506c19ff8944df6fb6128ee17bb496dd08c1332 aarch64 kernel-cross-headers-4.18.0-553.148.1.el8_10.aarch64.rpm eeebef198038af4bd35c942205472a52985baac6f1af5e2e3d4b024c277f0087 noarch kernel-doc-4.18.0-553.148.1.el8_10.noarch.rpm 1b51ce8394068d9678e5620b8a581e9e91f071ee3f1124c8c7e15571116853ad noarch kernel-abi-stablelists-4.18.0-553.148.1.el8_10.noarch.rpm 7216fe146d589d4cc47493dd2255af219a91d28b1a21c37f4f86d49fb3d7c118 ppc64le kernel-debug-4.18.0-553.148.1.el8_10.ppc64le.rpm 18a9acb4bbf36a20c9bec70f0a5de5f9f8547ae1c8d19243e9c36d829f08ac44 ppc64le kernel-debug-modules-extra-4.18.0-553.148.1.el8_10.ppc64le.rpm 25acd0246b4adb3f1d9eebf7d3bc28b1523378a88aae3a662a0a24ea7f6a2bd1 ppc64le perf-4.18.0-553.148.1.el8_10.ppc64le.rpm 2941672ff5128f4dd996c87da2f0fb0d14ef173255cccdf3d22f45b0eafd0590 ppc64le bpftool-4.18.0-553.148.1.el8_10.ppc64le.rpm 5ad1cc6c5c39bf3db1c6c8a0146645a0fd64c6e7ad043ad368ee617faa036512 ppc64le kernel-modules-extra-4.18.0-553.148.1.el8_10.ppc64le.rpm 6baa0d2c2aa41b7ead69c78bb31630c2040f91267da87d18e5a3f41cc086eac1 ppc64le kernel-tools-libs-4.18.0-553.148.1.el8_10.ppc64le.rpm 70bdc4d1f453d8cd286f0ee47ed037f12d5fbd0c41e42174dc41ff68045b66c2 ppc64le kernel-tools-4.18.0-553.148.1.el8_10.ppc64le.rpm 7cf51fad37f878d99958dad42d66a7c2e33b33738709f0cce3b7531e75a290bf ppc64le kernel-debug-modules-4.18.0-553.148.1.el8_10.ppc64le.rpm 7e35134894cde32392f60169acdf9e0147dce379a7a927506dcd10e2b9ac8b3a ppc64le kernel-tools-libs-devel-4.18.0-553.148.1.el8_10.ppc64le.rpm 83a85ed321840d671d8007006c4d9e0939c11fc1520abf2ff6e5d518925b84ce ppc64le kernel-debug-core-4.18.0-553.148.1.el8_10.ppc64le.rpm 98300aa46b8f06d272c828979c85fefafbaa81526c0161b4861f65abaf42bf21 ppc64le python3-perf-4.18.0-553.148.1.el8_10.ppc64le.rpm 99e314fc57bdc384893a8aa87048b57f7eeaf818ce479a7c09e73de089776515 ppc64le kernel-cross-headers-4.18.0-553.148.1.el8_10.ppc64le.rpm 9c9f72a14d02c064d444ce9505bd8006b8f498b68c04518e42b1541d8dd37429 ppc64le kernel-modules-4.18.0-553.148.1.el8_10.ppc64le.rpm acca13373d0d214aeea0947f12d718b71927975c7fc4e8d9a5dae234660eee30 ppc64le kernel-devel-4.18.0-553.148.1.el8_10.ppc64le.rpm c09aa43dad7197ce1635020382ea47c148df26bf7f1bfea4b7c847c68ff92d00 ppc64le kernel-debug-devel-4.18.0-553.148.1.el8_10.ppc64le.rpm e6c2d2477f6dd6c798541e8bc9f95466de172ea82a59925c89c1a6ed4527e163 ppc64le kernel-core-4.18.0-553.148.1.el8_10.ppc64le.rpm ec49d076b6d2b00e6999548f415356c9a27d335c850f4efd9078c203cb3dd27d ppc64le kernel-4.18.0-553.148.1.el8_10.ppc64le.rpm f669961f517343b2960a4772821b9162de443e57ab7392de472bf22eadcc4cef ppc64le kernel-headers-4.18.0-553.148.1.el8_10.ppc64le.rpm f705336d9affbb1a9d582b0e15cda753dca10b4f07121f2827eef555a2291e28 s390x kernel-4.18.0-553.148.1.el8_10.s390x.rpm 0114bc230995f66a05fc1f7afe96db9ba2580371f2ad5e4229e0508dd64296df s390x python3-perf-4.18.0-553.148.1.el8_10.s390x.rpm 1b1ac57edc53b1128d5f6d415b6cabc8246f886d9de2d14d938ae5c5cbad3127 s390x kernel-devel-4.18.0-553.148.1.el8_10.s390x.rpm 23cccb4133d11607f54cfd1b6eb4ac6a8e2d788417cf91cc6ce64897b3b8066b s390x kernel-debug-devel-4.18.0-553.148.1.el8_10.s390x.rpm 2622d57ce8a7c0c997d2a8d9b03adf6663bd255b7a45d158e5c1456f5a2d7613 s390x kernel-debug-modules-4.18.0-553.148.1.el8_10.s390x.rpm 48573748caa76216d9ab71341c31ea8c0ce7f72f1a41b44ed704a3c80fe09e4d s390x kernel-zfcpdump-modules-extra-4.18.0-553.148.1.el8_10.s390x.rpm 4d862740e3d0bc4833336af89ccc3bf40b53d1d8ba6b17ca7b86551b9c8717ca s390x kernel-zfcpdump-core-4.18.0-553.148.1.el8_10.s390x.rpm 5b4c0f70ee58d2b59a43f8632524ca32ad35fea16000ee252569f3737b992f47 s390x kernel-core-4.18.0-553.148.1.el8_10.s390x.rpm 5d8f640afa65752c2bce58406fcd6c43b7844907ad15cf3913ed032975f1b546 s390x kernel-tools-4.18.0-553.148.1.el8_10.s390x.rpm 5e008f85d9de252154eccb87a21d940152dc3c174a5c0d2f8bcce0452944e829 s390x kernel-zfcpdump-4.18.0-553.148.1.el8_10.s390x.rpm 6fd94d01e77dc26fd14ea1ec9d6e12019b15274b1ea3daa75813009b7599c3d2 s390x kernel-zfcpdump-modules-4.18.0-553.148.1.el8_10.s390x.rpm 827993e2e3585faf57701449b89bba12e730be9c8201804905bbd1a7273b6bee s390x bpftool-4.18.0-553.148.1.el8_10.s390x.rpm 89bd4d4460ca9c2d0bfc0d7942f01c692f65f7c509e68b9c3247421177013548 s390x kernel-modules-4.18.0-553.148.1.el8_10.s390x.rpm b985260d9a700c894a2f8bad41d8eb169b0a1f70dbf7577524c56c6c3f92b50a s390x kernel-debug-core-4.18.0-553.148.1.el8_10.s390x.rpm c45cab7126c98ca0b2ae5d79aa11755da9870b9c148501ea5d8fbb8a24056ea2 s390x kernel-modules-extra-4.18.0-553.148.1.el8_10.s390x.rpm c52d5a50741fbf926fc7078434994790935f5f5066a7679e33ed394ac0554bd5 s390x kernel-debug-modules-extra-4.18.0-553.148.1.el8_10.s390x.rpm d61b517559ea50b6d7d9f59dfa0598e542795d01030f309b1fabfbc156991a6d s390x kernel-zfcpdump-devel-4.18.0-553.148.1.el8_10.s390x.rpm ec6b5ec4ffe93a49bf5069a0885f6aa90c1604c434422516f070dfa298bec482 s390x kernel-headers-4.18.0-553.148.1.el8_10.s390x.rpm f52ed8d6cc58a723b598a5bbb5ba6ce361fe4146b95f581a5305ca1e49719f1b s390x perf-4.18.0-553.148.1.el8_10.s390x.rpm f70895b322f5d0d723dabf9e170614fdf18dafc8ccc6e00e0b5e83db94a59453 s390x kernel-debug-4.18.0-553.148.1.el8_10.s390x.rpm f7c0e76e34c13971d4a128c7a80d469f0c6fa116ce4239bbbd8811be986b9246 s390x kernel-cross-headers-4.18.0-553.148.1.el8_10.s390x.rpm f94dbfb857a93c444f9c185faa6cc86ce815c846bd703b60fa842709ad1df4a5 x86_64 kernel-modules-4.18.0-553.148.1.el8_10.x86_64.rpm 0655146bd6b012b15ea477ba004fdda91ff313b0b3bbc2325146ef3800cfac7d

Frequently Asked Questions

What does ALSA-2026:47011 fix?
1 kernel CVEs for AlmaLinux 8, including CVE-2026-53006.
Is a reboot required?
Yes — kernel fixes only take effect after the server boots into the updated kernel.
How do I apply it?
Run dnf update (kernel packages) and schedule the reboot.

References

Security Advisories

Related Advisories

Perl-CGI Security Update — AlmaLinux 8 (ALSA-2026:99849)

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.NET 8.0 Security Update — AlmaLinux 8 (ALSA-2026:99052)

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Grafana Security Update — AlmaLinux 8 (ALSA-2026:99030)

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