{"id":"RLSA-2026:47040","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: xfrm: Duplicate SPI Handling (CVE-2025-39797)\n\n* kernel: lib/buildid: use __kernel_read() for sleepable context (CVE-2026-23002)\n\n* kernel: futex: Drop CLONE_THREAD requirement for private default hash alloc (CVE-2026-52973)\n\n* kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption (CVE-2026-53281)\n\n* kernel: blk-mq: pop cached request if it is usable (CVE-2026-64017)\n\nBug Fix(es) and Enhancement(s):\n\n* general protection fault during exportfs / nfsd4_revoke_states [rhel-9.8.z] (JIRA:Rocky Linux-188257)\n\n* Enable Pretimeout Watchdog Panic Functionality on x86 [rhel-9.8.z] (JIRA:Rocky Linux-193729)\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":"2026-07-30T18:25:50.806063923Z","published":"2026-07-30T18:03:34.878221Z","upstream":["CVE-2025-39797","CVE-2026-23002","CVE-2026-52973","CVE-2026-53281","CVE-2026-64017"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:47040"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2400057"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2432666"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492413"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2493728"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502449"}],"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":"0:5.14.0-687.31.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:47040.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}