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CVE-2021-26708 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.openwall.com/lists/oss-security/2021/02/05/6 Mailing List  Patch  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/02/05/6 Mailing List  Patch  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2021/04/09/2 Mailing List 
http://www.openwall.com/lists/oss-security/2021/04/09/2 Mailing List 
http://www.openwall.com/lists/oss-security/2022/01/25/14 Mailing List 
http://www.openwall.com/lists/oss-security/2022/01/25/14 Mailing List 
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13 Release Notes  Vendor Advisory 
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13 Release Notes  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446 Patch  Vendor Advisory 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c518adafa39f37858697ac9309c6cf1805581446 Patch  Vendor Advisory 
https://security.netapp.com/advisory/ntap-20210312-0008/ Patch  Third Party Advisory 
https://security.netapp.com/advisory/ntap-20210312-0008/ Patch  Third Party Advisory 
https://www.openwall.com/lists/oss-security/2021/02/04/5 Mailing List  Patch  Third Party Advisory 
https://www.openwall.com/lists/oss-security/2021/02/04/5 Mailing List  Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-667 Improper Locking cwe source acceptance level NIST  

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Change History

12 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-26708
NVD Published Date:
02/05/2021
NVD Last Modified:
11/21/2024
Source:
MITRE