{"id":"RLSA-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\n* kernel: ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all() (CVE-2025-22121)\n\n* kernel: net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)\n\n* kernel: powerpc/powernv/memtrace: Fix out of bounds issue in memtrace mmap (CVE-2025-38088)\n\n* kernel: net/mdiobus: Fix potential out-of-bounds clause 45 read/write access (CVE-2025-38110)\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":"2026-03-11T06:30:34.090308Z","published":"2025-10-03T19:56:45.270310Z","upstream":["CVE-2025-22091","CVE-2025-22121","CVE-2025-37797","CVE-2025-38088","CVE-2025-38110"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:11855"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2360186"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2360199"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2363672"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2375528"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2376035"}],"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":"0:6.12.0-55.24.1.el10_0"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:11855.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}