CVE-2021-20226CWE-416

A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the…

published February 23, 2021

CVSS
—
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the system The issue results from the lack of validating the existence of an object prior to performing operations on the object by not incrementing the file reference counter while in use. The highest threat from this vulnerability is to data integrity, confidentiality and system availability.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00436 · 36.9th percentile
Weakness
CWE-416 · Use After Free
Published
2021-02-23T16:36Z
EPSS history
Timeline
  • 23 FEB 16:36Z
    A use-after-free flaw was found in the io_uring in Linux kernel, where a local attacker with a user privilege could cause a denial of service problem on the…
    cvelistv5