{"schema_version":"1.7.5","id":"ALSA-2025:21931","published":"2025-11-24T00:00:00Z","modified":"2026-05-26T16:45:08.700292890Z","related":["CVE-2025-39730","CVE-2025-39955"],"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: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry() (CVE-2025-39730)\n  * kernel: tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect() (CVE-2025-39955)\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","affected":[{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.0-124.13.1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:21931.json"}},{"package":{"name":"kernel-doc","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/kernel-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.0-124.13.1.el10_1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:21931.json"}}],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:21931"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39730"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39955"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2393731"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2402699"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2025-21931.html"}]}