{"schema_version":"1.7.5","id":"SUSE-SU-2026:21684-1","published":"2026-05-15T16:43:03Z","modified":"2026-05-20T18:23:57.471452475Z","related":["CVE-2025-54518","CVE-2026-43500","CVE-2026-46300"],"upstream":["CVE-2025-54518","CVE-2026-43500","CVE-2026-46300"],"summary":"Security update for the Linux Kernel","details":"\nThe SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix various security issues\n\nThe following security issues were fixed:\n\n- CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (bsc#1264013).\n- CVE-2026-46300: net: skbuff: propagate shared-frag marker through pskb_copy() (bsc#1265209).\n- CVE-2026-43500: rxrpc: unshare DATA/RESPONSE packets when paged frags are present (bsc#1264450).\n\nThe following non security issues were fixed:\n\n- config: s390x/ppc64le: disable unsupported CONFIG_AFS_FS and CONFIG_AF_RXRPC (bsc#1264450).\n- io-wq: check that the predecessor is hashed in io_wq_remove_pending() (git-fixes).\n","references":[{"type":"ADVISORY","url":"https://www.suse.com/support/update/announcement/2026/suse-su-202621684-1/"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264013"},{"type":"REPORT","url":"https://bugzilla.suse.com/1264450"},{"type":"REPORT","url":"https://bugzilla.suse.com/1265209"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2025-54518"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-43500"},{"type":"WEB","url":"https://www.suse.com/security/cve/CVE-2026-46300"}]}