What is CVE-2022-48904?

CVE-2022-48904 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Memory Leak flaw (CWE-401), affecting Linux kernel versions from 5.12 onward and patched in 5.15.27, 5.16.13 and 5.17. CVE-2022-48904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48904?

CVE-2022-48904 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-2022-48904?

Yes, CVE-2022-48904 has been patched. Fixed versions include 5.15.27, 5.16.13 and 5.17. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48904 actively exploited?

CVE-2022-48904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/401.html

CVE-2022-48904

Medium

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix I/O page table memory leak The current logic updates the I/O page table mode for the domain before calling the logic to free memory used for the page table. This results in IOMMU page table memory leak, and can be observed when launching VM w/ pass-through devices. Fix by freeing the memory used for page table before updating the mode.

Package Linux Kernel

Published 2024-08-22

Last modified 2024-09-12

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-401

CVE-2022-48904 is a Memory Leak vulnerability

What is Memory Leak?

The product does not release memory after use, causing gradual resource exhaustion. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.12 and later are affected. Fixed in 5.15.27, 5.16.13, 5.17 and their respective stable series.

Affected from

≥ 5.12

Fixed in

✓ 5.15.27 5.15.x ✓ 5.16.13 5.16.x ✓ 5.17

References

The following references provide additional information about CVE-2022-48904 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/378e2fe1eb58d5c2ed55c8fe5e11f9db5033cdd6
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6b0b2d9a6a308bcd9300c2d83000a82812c56cea
Patch
Kernel patch commit
https://git.kernel.org/stable/c/c78627f757e37c2cf386b59c700c4e1574988597
Patch

Details

CVE ID CVE-2022-48904

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-08-22

Modified 2024-09-12

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48904?

CVE-2022-48904 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Memory Leak flaw (CWE-401) . It affects Linux kernel versions from 5.12 onward and has been patched in 5.15.27, 5.16.13 and 5.17. CVE-2022-48904 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48904?

CVE-2022-48904 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-2022-48904?

Yes — CVE-2022-48904 has been patched. Fixed versions include 5.15.27, 5.16.13 and 5.17. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48904 actively exploited?

No — CVE-2022-48904 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Memory Leak (CWE-401)?

The product does not release memory after use, causing gradual resource exhaustion. View CWE-401 on MITRE CWE →