How severe is CVE-2026-23008?

CVE-2026-23008 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-23008 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23008?

CVE-2026-23008 primarily affects Linux Linux Kernel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-23008?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-23008 have an EU (EUVD) identifier?

Yes. CVE-2026-23008 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4625.

When was CVE-2026-23008 published?

CVE-2026-23008 was published on 2026-01-25 and last updated on 2026-06-17.

CVE-2026-23008

CVE-2026-23008 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-4625
Weakness: CWE-476
Affected product: Linux Linux Kernel
Published: 2026-01-25
Last modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix KMS with 3D on HW version 10 HW version 10 does not have GB Surfaces so there is no backing buffer for surface backed FBs. This would result in a nullptr dereference and crash the driver causing a black screen.

Frequently asked questions

What is CVE-2026-23008?: In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix KMS with 3D on HW version 10 HW version 10 does not have GB Surfaces so there is no backing buffer for surface backed FBs. This would result in a nullptr dereference and crash the driver causing a black screen.
How severe is CVE-2026-23008?: CVE-2026-23008 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-23008 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23008?: CVE-2026-23008 primarily affects Linux Linux Kernel. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-23008?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23008 have an EU (EUVD) identifier?: Yes. CVE-2026-23008 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-4625.
When was CVE-2026-23008 published?: CVE-2026-23008 was published on 2026-01-25 and last updated on 2026-06-17.

References

Affected products (10)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:-:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*

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