Kernel-Rt Security Update — AlmaLinux 8 (ALSA-2026:47010)
This is a security release for AlmaLinux 8. The fix ships in the current release line (referenced builds: 18.0-553, 148.1). Update the product on every affected server to the patched release — there is no workaround, and unpatched servers remain exposed until updated.
Команды исправления
EL8+ (AlmaLinux/CloudLinux/Rocky)
sudo dnf updateЧто это значит по лицензии SharedLicense
Your SharedLicense license itself is not affected — this is a change in AlmaLinux 8 software, not in licensing. Update the product through its standard update channel. Licenses keep working through updates; nothing needs re-issuing or re-activating.
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)
For more details about the security issue(s), including the impact, a CVSS score…
Type:
security
Severity:
important
Release date:
2026-07-28
Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: ipv6: fix possible UAF in icmpv6_rcv() (CVE-2026-53006)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References:
Updated packages listed below:
| Architecture | Package | Checksum |
| x86_64 | kernel-rt-debug-devel-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 0070e78c89cc0096dd4d86602f4eda36b5bcd42e781f9e0f23e09f93737ad482 |
| x86_64 | kernel-rt-devel-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 06ec0c9e505251578c1a27376247e84d07cc230c3c21a6fae4fbf717f78b99aa |
| x86_64 | kernel-rt-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 0f8c13a0a075936a19041c085af5656c2404e36752b8474cf9b7270a8b79be2a |
| x86_64 | kernel-rt-core-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 26c0e9cbc82a22582897cf746b934a6e807d45158ae8304dbdf8fe014552143a |
| x86_64 | kernel-rt-modules-extra-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 4a928224cc7e422fa2c07b06698d7ad05b39cfea8f997f41e8c28eb4dc3e0871 |
| x86_64 | kernel-rt-debug-modules-extra-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 4e2147a525aad14c1e94a2bd8f40d32489fd9c2c7adc850d7a6e38397c005d12 |
| x86_64 | kernel-rt-modules-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 68c7bc23e669eee56c3f76e721deca0e13be7f45e054c466d070d638f25ccf45 |
| x86_64 | kernel-rt-debug-core-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | 8ea3e93384fe3357996fbf7207535d30ac6dbed1d1d3b2126dd5eec515559520 |
| x86_64 | kernel-rt-debug-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | c71dc47343ca1cce06d7d335a339d3e41687d2dd04ac43d54ebc585c722260f5 |
| x86_64 | kernel-rt-debug-modules-4.18.0-553.148.1.rt7.489.el8_10.x86_64.rpm | de6c45417bbc3e465e41235dad46c1d57f5bf0da021fc2fae70f06b35f5579c2 |
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.
Источники
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