{"id":"RLSA-2026:63014","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: s390/cpum_sf: Handle CPU hotplug remove during sampling (CVE-2024-57849)\n\n* kernel: smc91x: fix broken irq-context in PREEMPT_RT (CVE-2025-71132)\n\n* kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970)\n\n* kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)\n\n* kernel: pNFS: Fix use-after-free in pnfs_update_layout() (CVE-2026-63800)\n\n* kernel: nfsd: fix posix_acl leak on SETACL decode failure (CVE-2026-53397)\n\n* kernel: nfsd: release layout stid on setlease failure (CVE-2026-53399)\n\n* kernel: NFSv4/flexfiles: reject zero filehandle version count (CVE-2026-53392)\n\n* kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (CVE-2026-53391)\n\n* kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access (CVE-2026-64018)\n\n* kernel: Kernel: Remote out-of-bounds write in RDMA/siw (CVE-2026-64268)\n\n* kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298)\n\n* kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480)\n\n* kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res-\u003ert6 pointer (CVE-2026-74581)\n\nBug Fix(es) and Enhancement(s):\n\n* qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-8.10.z] (JIRA:Rocky Linux-193045)\n\n* powerpc/pseries: lparcfg - fix kbuf[] underflow (JIRA:Rocky Linux-240144)\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":"2026-09-04T06:30:02.230453674Z","published":"2026-09-04T06:01:15.412963Z","upstream":["CVE-2024-57849","CVE-2025-71132","CVE-2026-45970","CVE-2026-53185","CVE-2026-53391","CVE-2026-53392","CVE-2026-53397","CVE-2026-53399","CVE-2026-63800","CVE-2026-64018","CVE-2026-64268","CVE-2026-64298","CVE-2026-68480","CVE-2026-74581"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:63014","license":"CC-BY-4.0"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:63014"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2337144"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2429603"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482006"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492735"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502219"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502227"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502239"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502240"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502260"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502421"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507089"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507208"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2508363"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2520980"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:63014"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-553.159.1.el8_10"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:63014.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}