{"cve":"CVE-2021-26708","nvd":{"published":"2021-02-05T14:15:18.780","modified":"2026-06-17T03:43:41.817","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.0},"cwes":["CWE-667"],"references":["http://www.openwall.com/lists/oss-security/2021/02/05/6","http://www.openwall.com/lists/oss-security/2021/04/09/2","http://www.openwall.com/lists/oss-security/2022/01/25/14","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446"],"products":["linux:linux_kernel","netapp:aff_baseboard_management_controller","netapp:baseboard_management_controller_500f_firmware","netapp:baseboard_management_controller_a250_firmware","netapp:cloud_backup","netapp:fas_baseboard_management_controller","netapp:hci_h410c_firmware","netapp:solidfire_\\&_hci_management_node","netapp:solidfire_baseboard_management_controller"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2021-26708","score":0.01602,"percentile":0.75823,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}