{"id":"CVE-2021-26708","state":"PUBLISHED","title":"A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock","description":"A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support.","publishedAt":"2021-02-05T07:41:12.000Z","updatedAt":"2024-08-03T20:33:41.296Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13","https://www.openwall.com/lists/oss-security/2021/02/04/5","http://www.openwall.com/lists/oss-security/2021/02/05/6","https://security.netapp.com/advisory/ntap-20210312-0008/","http://www.openwall.com/lists/oss-security/2021/04/09/2","http://www.openwall.com/lists/oss-security/2022/01/25/14"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:13.210Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/26xxx/CVE-2021-26708.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-26708","state":"PUBLISHED","datePublished":"2021-02-05T07:41:12.000Z","dateUpdated":"2024-08-03T20:33:41.296Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-02-05T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446","tags":["x_refsource_MISC"]},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13","tags":["x_refsource_MISC"]},{"url":"https://www.openwall.com/lists/oss-security/2021/02/04/5","tags":["x_refsource_MISC"]},{"url":"http://www.openwall.com/lists/oss-security/2021/02/05/6","name":"[oss-security] 20210205 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://security.netapp.com/advisory/ntap-20210312-0008/","tags":["x_refsource_CONFIRM"]},{"url":"http://www.openwall.com/lists/oss-security/2021/04/09/2","name":"[oss-security] 20210409 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","tags":["mailing-list","x_refsource_MLIST"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/25/14","name":"[oss-security] 20220125 CVE-2022-0185: Linux kernel slab out-of-bounds write: exploit and writeup","tags":["mailing-list","x_refsource_MLIST"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2022-01-26T00:06:12.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-26708","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446","refsource":"MISC","url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446"},{"name":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13","refsource":"MISC","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13"},{"name":"https://www.openwall.com/lists/oss-security/2021/02/04/5","refsource":"MISC","url":"https://www.openwall.com/lists/oss-security/2021/02/04/5"},{"name":"[oss-security] 20210205 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/02/05/6"},{"name":"https://security.netapp.com/advisory/ntap-20210312-0008/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20210312-0008/"},{"name":"[oss-security] 20210409 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2021/04/09/2"},{"name":"[oss-security] 20220125 CVE-2022-0185: Linux kernel slab out-of-bounds write: exploit and writeup","refsource":"MLIST","url":"http://www.openwall.com/lists/oss-security/2022/01/25/14"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2021/02/04/5","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2021/02/05/6","name":"[oss-security] 20210205 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20210312-0008/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2021/04/09/2","name":"[oss-security] 20210409 Re: Linux kernel: Exploitable vulnerabilities in AF_VSOCK implementation","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2022/01/25/14","name":"[oss-security] 20220125 CVE-2022-0185: Linux kernel slab out-of-bounds write: exploit and writeup","tags":["mailing-list","x_refsource_MLIST","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T20:33:41.296Z"}}]}}}