What is CVE-2023-53482?

CVE-2023-53482 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.11 onward and patched in 5.15.99, 6.1.16, 6.2.3 and others. CVE-2023-53482 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-53482?

CVE-2023-53482 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-2023-53482?

Yes, CVE-2023-53482 has been patched. Fixed versions include 5.15.99, 6.1.16, 6.2.3 and others. If you are running Linux kernel 4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-53482 actively exploited?

CVE-2023-53482 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2023-53482

Medium

In the Linux kernel, the following vulnerability has been resolved: iommu: Fix error unwind in iommu_group_alloc() If either iommu_group_grate_file() fails then the iommu_group is leaked. Destroy it on these error paths. Found by kselftest/iommu/iommufd_fail_nth

Package Linux Kernel

Published 2025-10-01

Last modified 2026-01-20

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 4.11 and later are affected. Fixed in 5.15.99, 6.1.16, 6.2.3, 6.3 and their respective stable series.

Affected from

≥ 4.11

Fixed in

✓ 5.15.99 5.15.x ✓ 6.1.16 6.1.x ✓ 6.2.3 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-53482 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/4c23124b45ee0aa895ed8d5d08871ae6b15ee336
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4daa861174d56023c2068ddb03de0752f07fa199
Patch
Kernel patch commit
https://git.kernel.org/stable/c/8602fa38a63fc689eca29c8c586fac2d8a1f8739
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2023-53482

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-10-01

Modified 2026-01-20

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-53482?

CVE-2023-53482 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.11 onward and has been patched in 5.15.99, 6.1.16, 6.2.3 and others. CVE-2023-53482 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-53482?

CVE-2023-53482 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-2023-53482?

Yes — CVE-2023-53482 has been patched. Fixed versions include 5.15.99, 6.1.16, 6.2.3 and others. If you are running Linux kernel 4.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-53482 actively exploited?

No — CVE-2023-53482 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.