{"id":"ALSA-2025:11855","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: RDMA/mlx5: Fix page_size variable overflow (CVE-2025-22091)\n  * kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() (CVE-2025-22121)\n  * kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)\n  * kernel: powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap (CVE-2025-38088)\n  * kernel: net/mdiobus: Fix potential out-of-bounds clause 45 read/write access (CVE-2025-38110)\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":"2026-02-04T03:15:35.360396Z","published":"2025-07-28T00:00:00Z","related":["CVE-2025-22091","CVE-2025-22121","CVE-2025-37797","CVE-2025-38088","CVE-2025-38110"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:11855"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-22091"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-22121"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-37797"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38088"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-38110"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2360186"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2360199"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2363672"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2375528"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2376035"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2025-11855.html"}],"affected":[{"package":{"name":"kernel-abi-stablelists","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/kernel-abi-stablelists"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.0-55.24.1.el10_0"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:11855.json"}},{"package":{"name":"kernel-doc","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/kernel-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.12.0-55.24.1.el10_0"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2025:11855.json"}}],"schema_version":"1.7.3"}