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.

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-13497 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.
Ubuntu USN Ubuntu USN USN-4727-1 Linux kernel vulnerability
Fixes

Solution

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Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T20:33:41.296Z

Reserved: 2021-02-05T00:00:00

Link: CVE-2021-26708

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-02-05T14:15:18.780

Modified: 2024-11-21T05:56:42.880

Link: CVE-2021-26708

cve-icon Redhat

Severity : Important

Publid Date: 2021-02-05T00:00:00Z

Links: CVE-2021-26708 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses