{"schema_version": "1.7.0", "id": "RXSA-2026:13565", "modified": "2026-05-21T16:33:20.316268Z", "published": "2026-05-21T16:33:04.934199Z", "upstream": ["CVE-2026-23136", "CVE-2026-23270", "CVE-2026-31402", "CVE-2026-31431", "CVE-2026-43077"], "summary": "Important: kernel security update", "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: Linux kernel: Denial of Service in libceph OSD client due to unreset sparse-read state (CVE-2026-23136)\n\n* kernel: Linux kernel: Use-after-free in traffic control (act_ct) may lead to denial of service or privilege escalation (CVE-2026-23270)\n\n* kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (CVE-2026-31402)\n\n* kernel: crypto: algif_aead - Revert to operating out-of-place (CVE-2026-31431)\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-sig-cloud&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:5.14.0-611.54.1.el9_7.cloud.1.0"}], "database_specific": {"yum_repository": "cloud-common"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RXSA-2026:13565"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2439852"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448745"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2454844"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460538"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467022"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}