What is CVE-2022-38457?

CVE-2022-38457 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Use After Free flaw (CWE-416), affecting Linux kernel versions from v4.20-rc1 onward and patched in 5.13.0-52*. CVE-2022-38457 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-38457?

CVE-2022-38457 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-38457?

Yes, CVE-2022-38457 has been patched. Fixed versions include 5.13.0-52*. If you are running Linux kernel v4.20-rc1 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-38457 actively exploited?

CVE-2022-38457 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Use After Free (CWE-416)?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/416.html

CVE-2022-38457

Medium

A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

Package Linux Kernel

Published 2022-09-09

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-416

CVE-2022-38457 is a Use After Free vulnerability

What is Use After Free?

The product references memory after it has been freed, which may cause it to crash, use unexpected values, or execute code. Learn more on MITRE CWE

Affected versions

Linux kernel versions v4.20-rc1 and later are affected. Fixed in 5.13.0-52* and their respective stable series.

Affected from

≥ v4.20-rc1

Fixed in

✓ 5.13.0-52*

References

1 total

Bugzilla
https://bugzilla.openanolis.cn/show_bug.cgi?id=2074

Issue Tracking Permissions Required

Details

CVE ID CVE-2022-38457

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2022-09-09

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-38457?

CVE-2022-38457 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Use After Free flaw (CWE-416) . It affects Linux kernel versions from v4.20-rc1 onward and has been patched in 5.13.0-52*. CVE-2022-38457 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-38457?

CVE-2022-38457 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-38457?

Yes. CVE-2022-38457 has been patched. Fixed versions include 5.13.0-52*. If you are running Linux kernel v4.20-rc1 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-38457 actively exploited?

No. CVE-2022-38457 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.