{"id":"RLSA-2022:0176","summary":"Important: kernel-rt security and bug fix 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: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL (CVE-2021-4155)\n\n* kernel: fs_context: heap overflow in legacy parameter handling (CVE-2022-0185)\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\nBug Fix(es):\n\n* kernnel-rt-debug: do not call blocking ops when !TASK_RUNNING; state=1 set at [\u003c0000000050e86018\u003e] handle_userfault+0x530/0x1820 (BZ#2029422)\n\n* kernel-rt: update RT source tree to the Rocky Linux-8.5.z source tree (BZ#2032059)","modified":"2026-02-05T03:00:11.865204Z","published":"2022-01-19T09:43:06Z","upstream":["CVE-2021-4155","CVE-2022-0185"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2022:0176"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2034813"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2040358"}],"affected":[{"package":{"name":"kernel-rt","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8-5-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.18.0-348.12.2.rt7.143.el8_5"}],"database_specific":{"yum_repository":"RT"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2022:0176.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}