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Known exploited vulnerability

CVE-2021-25370

mediumCVSS 3.1 4.4In CISA KEVEPSS 0.89%Published · Samsung Mobile

The short answer

CVE-2021-25370 affects Samsung Mobile Samsung Mobile Devices and is rated medium (CVSS 4.4). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-11-08: attackers are using it, so patch it first.

What it is

An incorrect implementation handling file descriptor in dpu driver prior to SMR Mar-2021 Release 1 results in memory corruption leading to kernel panic.

Weakness: CWE-416, CWE-703.

Severity

4.4 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Exploited (CISA KEV)

Yes, since Nov 8, 2022

Federal due date Nov 29, 2022

EPSS, next 30 days

0.89%

Higher than 60% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

Samsung Mobile Devices. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2021-25370 being exploited?

Yes. CISA added CVE-2021-25370 to its Known Exploited Vulnerabilities catalog on 2022-11-08, with a federal remediation due date of 2022-11-29.

How do I fix CVE-2021-25370?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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