{"id":"RLSA-2025:9079","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: ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)\n\n* kernel: ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887)\n\n* kernel: keys: Fix UAF in key_put() (CVE-2025-21893)\n\n* kernel: cifs: Fix integer overflow while processing closetimeo mount option (CVE-2025-21962)\n\n* kernel: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd (CVE-2025-21969)\n\n* kernel: cifs: Fix integer overflow while processing acdirmax mount option (CVE-2025-21963)\n\n* kernel: wifi: cfg80211: cancel wiphy_work before freeing wiphy (CVE-2025-21979)\n\n* kernel: smb: client: fix UAF in decryption with multichannel (CVE-2025-37750)\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":"2025-10-08T17:12:42.694355Z","published":"2025-10-03T19:56:45.270310Z","upstream":["CVE-2025-21764","CVE-2025-21887","CVE-2025-21893","CVE-2025-21962","CVE-2025-21963","CVE-2025-21969","CVE-2025-21979","CVE-2025-37750"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:9079"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2348575"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2355405"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356624"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356633"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356642"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2356652"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2363341"}],"affected":[{"package":{"name":"kernel","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/kernel?distro=rocky-linux-10-0&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:6.12.0-55.17.1.el10_0"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:9079.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}