{"id":"CVE-2021-4158","state":"PUBLISHED","title":"A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, result","description":"A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition.","publishedAt":"2022-08-24T15:10:39.000Z","updatedAt":"2024-08-03T17:16:04.257Z","severity":null,"assigner":"redhat","products":["n/a QEMU"],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"Affects v6.0.0 and above.","status":"affected"}]}],"references":["https://gitlab.com/qemu-project/qemu/-/issues/770","https://bugzilla.redhat.com/show_bug.cgi?id=2035002","https://access.redhat.com/security/cve/CVE-2021-4158","https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html","https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T19:49:23.890Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/4xxx/CVE-2021-4158.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-4158","state":"PUBLISHED","datePublished":"2022-08-24T15:10:39.000Z","dateUpdated":"2024-08-03T17:16:04.257Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2021-12-23T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A NULL pointer dereference issue was found in the ACPI code of QEMU. A malicious, privileged user within the guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition."}],"affected":[{"vendor":"n/a","product":"QEMU","versions":[{"version":"Affects v6.0.0 and above.","status":"affected"}]}],"references":[{"url":"https://gitlab.com/qemu-project/qemu/-/issues/770","tags":["x_refsource_MISC"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2035002","tags":["x_refsource_MISC"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-4158","tags":["x_refsource_MISC"]},{"url":"https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html","tags":["x_refsource_MISC"]},{"url":"https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 - NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2022-08-24T15:10:39.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://gitlab.com/qemu-project/qemu/-/issues/770","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2035002","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://access.redhat.com/security/cve/CVE-2021-4158","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.mail-archive.com/qemu-devel%40nongnu.org/msg857944.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://gitlab.com/qemu-project/qemu/-/commit/9bd6565ccee68f72d5012e24646e12a1c662827e","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:16:04.257Z"}}]}}}