{"id":"ALSA-2025:19103","summary":"Moderate: kernel-rt security update","details":"The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.  \n\nSecurity Fix(es):  \n\n  * kernel: Bluetooth: L2CAP: fix \"bad unlock balance\" in l2cap_disconnect_rsp (CVE-2023-53297)\n  * kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)\n  * kernel: Bluetooth: Fix potential use-after-free when clear keys (CVE-2023-53386)\n  * kernel: Bluetooth: L2CAP: Fix user-after-free (CVE-2022-50386)\n  * kernel: wifi: cfg80211: sme: cap SSID length in __cfg80211_connect_result() (CVE-2025-39849)\n  * kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)\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":"2026-01-30T02:46:54.587079Z","published":"2025-10-27T00:00:00Z","related":["CVE-2022-50386","CVE-2023-53297","CVE-2023-53386","CVE-2025-39817","CVE-2025-39841","CVE-2025-39849"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:19103"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2022-50386"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-53297"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2023-53386"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39817"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39841"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-39849"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2395681"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2395805"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2396419"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2396431"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2396928"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2396944"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2025-19103.html"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-debug","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-debug-core","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-debug-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-debug-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-debug-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-debug-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-modules","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}},{"package":{"name":"kernel-rt-modules-extra","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/kernel-rt-modules-extra"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.18.0-553.81.1.rt7.422.el8_10"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2025:19103.json"}}],"schema_version":"1.7.3"}