What is CVE-2023-53573?

CVE-2023-53573 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 6.0.8 onward and patched in 6.1.25, 6.2.12 and 6.3. CVE-2023-53573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53573?

CVE-2023-53573 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-2023-53573?

Yes, CVE-2023-53573 has been patched. Fixed versions include 6.1.25, 6.2.12 and 6.3. If you are running Linux kernel 6.0.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53573 actively exploited?

CVE-2023-53573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53573

Medium

In the Linux kernel, the following vulnerability has been resolved: clk: rs9: Fix suspend/resume Disabling the cache in commit 2ff4ba9e3702 ("clk: rs9: Fix I2C accessors") without removing cache synchronization in resume path results in a kernel panic as map->cache_ops is unset, due to REGCACHE_NONE. Enable flat cache again to support resume again. num_reg_defaults_raw is necessary to read the cache defaults from hardware. Some registers are strapped in hardware and cannot be provided in software.

Package Linux Kernel

Published 2025-10-04

Last modified 2026-03-21

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

Affected versions

Linux kernel versions 6.0.8, 6.1 and later are affected. Fixed in 6.1.25, 6.2.12, 6.3 and their respective stable series.

Affected from

≥ 6.0.8 ≥ 6.1

Fixed in

✓ 6.1.25 6.1.x ✓ 6.2.12 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53573 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/632e04739c8f45c2d9ca4d4c5bd18d80c2ac9296
Patch
Kernel patch commit
https://git.kernel.org/stable/c/74f4471ad64214dd5046213ebdd6e0930da7bd2c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a983967602675880d6160a17ace2c0f48717ff33
Patch

Details

CVE ID CVE-2023-53573

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-04

Modified 2026-03-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53573?

CVE-2023-53573 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 6.0.8 onward and has been patched in 6.1.25, 6.2.12 and 6.3. CVE-2023-53573 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53573?

CVE-2023-53573 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-2023-53573?

Yes — CVE-2023-53573 has been patched. Fixed versions include 6.1.25, 6.2.12 and 6.3. If you are running Linux kernel 6.0.8 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53573 actively exploited?

No — CVE-2023-53573 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.