6.7
CVSSv3

CVE-2023-21400

Published: 13/07/2023 Updated: 19/01/2024
CVSS v3 Base Score: 6.7 | Impact Score: 5.9 | Exploitability Score: 0.8
VMScore: 0

Vulnerability Summary

In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

Vulnerability Trend

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google android -

debian debian linux 10.0

debian debian linux 11.0

Vendor Advisories

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2022-4269 William Zhao discovered that a flaw in the Traffic Control (TC) subsystem when using a specific networking configuration (redirecting egress packets to ingress using TC action m ...