{"id":"ALSA-2025:13589","summary":"Moderate: 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: padata: fix UAF in padata_reorder (CVE-2025-21727)\n  * kernel: ipv6: mcast: extend RCU protection in igmp6_send() (CVE-2025-21759)\n  * kernel: can: peak_usb: fix use after free bugs (CVE-2021-47670)\n  * kernel: mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race (CVE-2025-38085)\n  * kernel: wifi: rtw88: fix the 'para' buffer size to avoid reading out of bounds (CVE-2025-38159)\n\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.\n","modified":"2026-02-04T04:28:12.627897Z","published":"2025-08-11T00:00:00Z","related":["CVE-2021-47670","CVE-2025-21727","CVE-2025-21759","CVE-2025-38085","CVE-2025-38159"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:13589"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-47670"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-21727"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-21759"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38085"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38159"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2348516"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2348596"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2360786"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2375304"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2376064"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2025-13589.html"}],"affected":[{"package":{"name":"bpftool","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/bpftool"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-cross-headers","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-cross-headers"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:13589.json"}},{"package":{"name":"kernel-doc","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.69.1.el8_10"}]}],"database_specific":{"source":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