SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-33639

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

HIGH 7.5EPSS 0.49%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.49% probability · 40th percentile
CISA KEV
Not listed
Weakness
CWE-749
Affected
openatom/openeuler kernel
Source
securities@openeuler.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.