{"id":"RLSA-2026:13565","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.","modified":"2026-05-06T12:30:06.524091Z","published":"2026-05-06T12:01:51.637927Z","upstream":["CVE-2026-23136","CVE-2026-23270","CVE-2026-31402","CVE-2026-31431"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-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"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:5.14.0-611.54.1.el9_7"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:13565.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}