{"id":"RLSA-2026:74438","summary":"Moderate: 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: RDMA/uverbs: Validate wqe_size before using it in ib_uverbs_post_send (CVE-2026-45856)\n\n* kernel: KVM: SVM: Fix page overflow in sev_dbg_crypt() for ENCRYPT path (CVE-2026-63794)\n\n* kernel: futex: Fix race on the initial mm-\u003efutex.phash.ref allocation (CVE-2026-80775)\n\nBug Fix(es) and Enhancement(s):\n\n* Backport of protocol attribute to IP addresses (IFA_PROTO) [rhel-9.8.z] (JIRA:Rocky Linux-169936)\n\n* try_charge_memcg() refactor in kernel 5.14.0-687.36.1 causes premature memcg OOM with GiB of clean page cache present [rhel-9.8.z] (JIRA:Rocky Linux-269060)\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":"2026-10-03T12:30:02.420708141Z","published":"2026-10-03T12:04:21.220866Z","upstream":["CVE-2026-45856","CVE-2026-63794","CVE-2026-80775"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:74438","license":"CC-BY-4.0"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:74438"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482129"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502241"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2528550"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74438"}],"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":"0:5.14.0-687.54.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:74438.json"}}],"schema_version":"1.9.0","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"}]}