What is CVE-2023-52997?

CVE-2023-52997 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.3 onward and patched in 4.19.272, 5.4.231, 5.10.166 and others. CVE-2023-52997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52997?

CVE-2023-52997 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-2023-52997?

Yes, CVE-2023-52997 has been patched. Fixed versions include 4.19.272, 5.4.231, 5.10.166 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52997 actively exploited?

CVE-2023-52997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-52997

Medium

In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert() if (!type) continue; if (type > RTAX_MAX) return -EINVAL; ... metrics[type - 1] = val; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.

Package Linux Kernel

Published 2025-03-27

Last modified 2025-10-30

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

Affected versions

Linux kernel versions 4.3 and later are affected. Fixed in 4.19.272, 5.4.231, 5.10.166, 5.15.91, 6.1.9, 6.2 and their respective stable series.

Affected from

≥ 4.3

Fixed in

✓ 4.19.272 4.19.x ✓ 5.4.231 5.4.x ✓ 5.10.166 5.10.x ✓ 5.15.91 5.15.x ✓ 6.1.9 6.1.x ✓ 6.2

References

The following references provide additional information about CVE-2023-52997 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/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8
Patch
Kernel patch commit
https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415
Patch
Kernel patch commit
https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2023-52997

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-03-27

Modified 2025-10-30

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52997?

CVE-2023-52997 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.3 onward and has been patched in 4.19.272, 5.4.231, 5.10.166 and others. CVE-2023-52997 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52997?

CVE-2023-52997 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-2023-52997?

Yes — CVE-2023-52997 has been patched. Fixed versions include 4.19.272, 5.4.231, 5.10.166 and others. If you are running Linux kernel 4.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52997 actively exploited?

No — CVE-2023-52997 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.