cve.bz

CVE-2023-21400

6.7 mediumEPSS 0.3%

Medium (6.7). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.7 medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS
0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-31)
CWE
CWE-667
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON