CVE-2021-26708
High
Published: 05 February 2021
Published
05 February 2021
Modified
21 November 2024
KEV Added
—
Patch
04 February 2021
CVSS Score v3.1
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.0094
76.6th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-26708 is a high-severity Improper Locking (CWE-667) vulnerability in Linux Linux Kernel. Its CVSS base score is 7.0 (High).
Operationally, ranked in the top 23.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-13497
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
linux
linux kernel
5.5 — 5.10.13
netapp
aff baseboard management controller
all versions
netapp
cloud backup
all versions
netapp
fas baseboard management controller
all versions
netapp
solidfire \& hci management node
all versions
netapp
solidfire baseboard management controller
all versions
netapp
baseboard management controller 500f firmware
≤ 15.3
netapp
baseboard management controller a250 firmware
≤ 15.3
netapp
hci h410c firmware
all versions
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.