{"id":"RLSA-2026:59723","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: ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CVE-2025-68211)\n\n* kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CVE-2026-23003)\n\n* kernel: netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CVE-2026-43114)\n\n* kernel: sctp: purge outqueue on stale COOKIE-ECHO handling (CVE-2026-52924)\n\n* kernel: netfilter: xt_policy: fix strict mode inbound policy matching (CVE-2026-52920)\n\n* kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185)\n\n* kernel: netfilter: require Ethernet MAC header before using eth_hdr() (CVE-2026-53131)\n\n* kernel: netfilter: conntrack_irc: fix possible out-of-bounds read (CVE-2026-53268)\n\n* kernel: i2c: stub: Reject I2C block transfers with invalid length (CVE-2026-64191)\n\n* kernel: netfilter: ipset: fix race between dump and ip_set_list resize (CVE-2026-64189)\n\n* kernel: Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CVE-2026-64277)\n\n* kernel: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CVE-2026-64276)\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* [Rocky Linux-9.8.z] Intel CWF: CPU is unable to obtain cstate1 on idle system (JIRA:Rocky Linux-166118)\n\n* ss core dumped when there is an SCTP session [rhel-9.8.z] (JIRA:Rocky Linux-212398)\n\n* [IBM 9.9 FEAT] zcrypt driver overwrite  function - kernel part [rhel-9.8.z] (JIRA:Rocky Linux-245333)\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":"2026-08-27T12:30:02.654768949Z","published":"2026-08-27T12:05:26.997131Z","upstream":["CVE-2025-68211","CVE-2026-23003","CVE-2026-43114","CVE-2026-52920","CVE-2026-52924","CVE-2026-53131","CVE-2026-53185","CVE-2026-53268","CVE-2026-64189","CVE-2026-64191","CVE-2026-64276","CVE-2026-64277","CVE-2026-74581"],"database_specific":{"license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:59723","license":"CC-BY-4.0"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:59723"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2422696"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2432681"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2466994"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492095"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492112"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492735"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492747"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492770"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502872"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2502889"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507290"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2507301"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2520980"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:59723"}],"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":"0:5.14.0-687.42.1.el9_8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:59723.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:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}