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Status published
High
CVE-2021-26708
A local privilege escalation was discovered in the Linux kernel...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, aff baseboard management controller, cloud backup, fas baseboard management controller, solidfire \& hci management node, solidfire baseboard management controller, baseboard management controller 500f firmware, baseboard management controller a250 firmware, hci h410c firmware
Vulnerable Versions:
5.5, 0
Timeline
Official Publish:
February 5th, 2021
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.