Описание
Important: kernel security, bug fix, and enhancement update
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
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kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530)
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kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation (CVE-2025-54518)
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kernel: mm/slab: do not limit zeroing to orig_size when only red zoning is enabled (CVE-2026-64368)
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kernel: net: openvswitch: reject oversized nested action attrs (CVE-2026-64531)
Bug Fix(es) and Enhancement(s):
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Kernel oops after increasing max number of mac addresses of a mlx5 VF [rhel-9.8.z] (JIRA:Rocky Linux-213036)
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Rocky Linux9.4 - s390/pkey: Check length in pkey_pckmo handler implementation [rhel-9.8.z] (JIRA:Rocky Linux-215578)
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Rocky Linux9.4 - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl [rhel-9.8.z] (JIRA:Rocky Linux-215580)
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cifs: periodic IO errors when rename races with lease break (JIRA:Rocky Linux-192999)
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.
Затронутые продукты
Rocky Linux 9
Ссылки на источники
Исправления
- Red Hat - 2460644
- Red Hat - 2477784
- Red Hat - 2507213
- Red Hat - 2507402
Связанные уязвимости
ELSA-2026-53329: kernel security, bug fix, and enhancement update (IMPORTANT)
Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.
