{"id":"CVE-2022-49611","summary":"x86/speculation: Fill RSB on vmexit for IBRS","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nx86/speculation: Fill RSB on vmexit for IBRS\n\nPrevent RSB underflow/poisoning attacks with RSB.  While at it, add a\nbunch of comments to attempt to document the current state of tribal\nknowledge about RSB attacks and what exactly is being mitigated.","modified":"2026-04-02T08:27:45.406435Z","published":"2025-02-26T02:23:33.779Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1194-1","SUSE-SU-2025:1241-1","SUSE-SU-2025:1263-1","SUSE-SU-2025:1293-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49611.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d323b99ff5c8c57005184056d65f6af5b0479d8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8c38306e2e9257af4af2819aa287a4711ff36329"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8d5cff499a6d740c91ff37963907e0e983c37f0f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9756bba28470722dacb79ffce554336dd1f6a6cd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f744b88dfc201bf8092833ec70b23c720188b527"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49611.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49611"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"b9cdaaf0a3becc52e8b4662fef28c452c4f009b4"},{"fixed":"3d323b99ff5c8c57005184056d65f6af5b0479d8"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"117cc7a908c83697b0b737d15ae1eb5943afe35b"},{"fixed":"f744b88dfc201bf8092833ec70b23c720188b527"},{"fixed":"17a9fc4a7b91f8599223631bb6ae6416bc0de1c0"},{"fixed":"4d7f72b6e1bc630bec7e4cd51814bc2b092bf153"},{"fixed":"8d5cff499a6d740c91ff37963907e0e983c37f0f"},{"fixed":"8c38306e2e9257af4af2819aa287a4711ff36329"},{"fixed":"9756bba28470722dacb79ffce554336dd1f6a6cd"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"68d1f7a3f1a35639a563bbad768d5df885b4ff05"},{"last_affected":"20e080e2752d108388d386ecc0b33d7797dfb18f"},{"last_affected":"eebc3f8adee0a6f43a4789ef0bf5c5b35de8cfe4"},{"last_affected":"c1ddd99a029636e234a800f28790a60d6ac0318f"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49611.json"}}],"schema_version":"1.7.5"}