Vulnerability · Published Mar 8, 2023 · Assigned by openEuler

CVE-2021-33639

High 7.5

In plain English

A high-severity security flaw in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.5%top 58.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

REMAP cmd of SVM driver can be used to remap read only memory as read-write, then cause read only memory/file modified.

Affected products (as reported)

VendorProductVersions
n/a kernel <=4.19.90-2211.4.0.0177, <=5.10.0-60.67.0.92

Weakness: CWE-749 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References