{"schema_version": "1.7.0", "id": "RLSA-2026:72623", "modified": "2026-09-30T12:15:24.796739Z", "published": "2026-09-30T12:05:19.277561Z", "upstream": ["CVE-2026-45942", "CVE-2026-46325", "CVE-2026-52972", "CVE-2026-53341", "CVE-2026-63875", "CVE-2026-64102", "CVE-2026-64556", "CVE-2026-74753", "CVE-2026-80522"], "summary": "Important: kernel security, bug fix, and enhancement update", "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: ext4: fix e4b bitmap inconsistency reports (CVE-2026-45942)\n\n* kernel: RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (CVE-2026-46325)\n\n* kernel: crypto: af_alg - Cap AEAD AD length to 0x80000000 (CVE-2026-52972)\n\n* kernel: fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() (CVE-2026-53341)\n\n* kernel: arm64: tlb: Flush walk cache when unsharing PMD tables (CVE-2026-63875)\n\n* kernel: RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CVE-2026-64102)\n\n* kernel: perf/core: Detach event groups during remove_on_exec (CVE-2026-64556)\n\n* kernel: crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CVE-2026-80522)\n\n* kernel: perf: Reject exited events as group leaders (CVE-2026-74753)\n\nBug Fix(es) and Enhancement(s):\n\n* KVM: s390: Limit adapter indicator access to mapped page [rhel-9.8.z] (JIRA:Rocky Linux-188656)\n\n* crypto: xxhash64 should not be fips approved [rhel-9.8.z] (JIRA:Rocky Linux-256437)\n\nFor 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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "kernel", "purl": "pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.14.0-687.53.1.el9_8"}], "database_specific": {"yum_repository": "BaseOS"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:72623"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482104"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487002"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492364"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495938"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502318"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502494"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2508319"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524423"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524434"}, {"type": "ADVISORY", "url": "https://access.redhat.com/errata/RHSA-2026:72623"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}], "database_specific": {"license": "CC-BY-4.0", "license_url": "https://creativecommons.org/licenses/by/4.0/", "source_advisory": "RHSA-2026:72623"}}