What is CVE-2024-26647?

CVE-2024-26647 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476), affecting Linux kernel versions from 6.3 onward and patched in 6.6.15, 6.7.3 and 6.8. CVE-2024-26647 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26647?

CVE-2024-26647 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-2024-26647?

Yes, CVE-2024-26647 has been patched. Fixed versions include 6.6.15, 6.7.3 and 6.8. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-26647 actively exploited?

CVE-2024-26647 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2024-26647

Medium

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix late derefrence 'dsc' check in 'link_set_dsc_pps_packet()' In link_set_dsc_pps_packet(), 'struct display_stream_compressor *dsc' was dereferenced in a DC_LOGGER_INIT(dsc->ctx->logger); before the 'dsc' NULL pointer check. Fixes the below: drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dpms.c:905 link_set_dsc_pps_packet() warn: variable dereferenced before check 'dsc' (see line 903)

Package Linux Kernel

Published 2024-03-26

Last modified 2025-01-07

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-476

CVE-2024-26647 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.3 and later are affected. Fixed in 6.6.15, 6.7.3, 6.8 and their respective stable series.

Affected from

≥ 6.3

Fixed in

✓ 6.6.15 6.6.x ✓ 6.7.3 6.7.x ✓ 6.8

References

3 total

Kernel Git
https://git.kernel.org/stable/c/3bb9b1f958c3d986ed90a3ff009f1e77e9553207

Patch
Kernel Git
https://git.kernel.org/stable/c/6aa5ede6665122f4c8abce3c6eba06b49e54d25c

Patch
Kernel Git
https://git.kernel.org/stable/c/cf656fc7276e5b3709a81bc9d9639459be2b2647

Patch

Details

CVE ID CVE-2024-26647

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-26

Modified 2025-01-07

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-26647?

CVE-2024-26647 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . It affects Linux kernel versions from 6.3 onward and has been patched in 6.6.15, 6.7.3 and 6.8. CVE-2024-26647 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26647?

CVE-2024-26647 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-2024-26647?

Yes. CVE-2024-26647 has been patched. Fixed versions include 6.6.15, 6.7.3 and 6.8. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-26647 actively exploited?

No. CVE-2024-26647 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.