What is CVE-2026-64153?

CVE-2026-64153 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 5.15.209, 6.1.175, 6.6.142 and others. CVE-2026-64153 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2026-64153?

CVE-2026-64153 has a CVSS score of 8.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Is there a patch available for CVE-2026-64153?

Yes, CVE-2026-64153 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.142 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2026-64153 actively exploited?

CVE-2026-64153 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2026-64153

High

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix iommu_map_sgtable() return value check and avoid WARN Commit "iommu: return full error code from iommu_map_sg[_atomic]()" changed iommu_map_sgtable() to return an ssize_t and negative values in error cases, rather than a size_t and a zero. Store the return value in the appropriate type and in case of error, return it rather than WARNing. Patchwork: https://patchwork.freedesktop.org/patch/719685/

Package Linux Kernel

Published 2026-07-19

Last modified 2026-08-17

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

8.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.209, 6.1.175, 6.6.142, 6.12.92, 6.18.34, 7.0.11, 7.1 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.209 5.15.x ✓ 6.1.175 6.1.x ✓ 6.6.142 6.6.x ✓ 6.12.92 6.12.x ✓ 6.18.34 6.18.x ✓ 7.0.11 7.0.x ✓ 7.1

References

7 total

Kernel Git
https://git.kernel.org/stable/c/3457807aeb88077712f0a7cb65c3ca5120773d75

Patch
Kernel Git
https://git.kernel.org/stable/c/3a45af37733446e114bf19b0209fe7d8089bdb8b

Patch
Kernel Git
https://git.kernel.org/stable/c/3c2cdb7c07f664b77e2a75b50793b845d5742efa

Patch
Kernel Git
https://git.kernel.org/stable/c/3e3c3c95ef4fe17231a9149e27bcfc9dae2dd89f

Patch
Kernel Git
https://git.kernel.org/stable/c/55e0f0d1c1a4ee1e46da7da4d443eb3044fb3851

Patch

Showing 5 of 7 references View all on NVD

Details

CVE ID CVE-2026-64153

Severity High

CVSS score 8.8 / 10

CVSS version 3.1

Published 2026-07-19

Modified 2026-08-17

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2026-64153?

CVE-2026-64153 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.209, 6.1.175, 6.6.142 and others. CVE-2026-64153 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2026-64153?

CVE-2026-64153 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Is there a patch available for CVE-2026-64153?

Yes. CVE-2026-64153 has been patched. Fixed versions include 5.15.209, 6.1.175, 6.6.142 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2026-64153 actively exploited?

No. CVE-2026-64153 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.