CVE-2026-49744: Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trig

Q: How do I fix CVE-2026-49744?

ddk: upgrade to 26.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-49744 being exploited?

CVE-2026-49744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-49744 affect?

CVE-2026-49744 affects ddk. Severity is high (CVSS 7.8). Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Gue

Routine

HIGH 7.8UPGRADE

CVE-2026-49744 is a high-severity flaw (CVSS 7.8) affecting ddk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Guest KMD could allow privilege escalation which escapes virtualization boundaries.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 95%)
CISA exploited list	No
Weakness	CWE-823
Published	2026-07-24
Last modified	2026-10-24

Publisher (CNA): imaginationtech · Vendor: imaginationtech

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-24 09:16 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

imaginationtech ddk UPGRADE

Affected: < 26.1 · 26.1 rtm1

Fixed in: 26.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ddk || rpm -q ddk || ddk --version

2. UPGRADE to 26.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ddk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ddk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-49744?

ddk: upgrade to 26.1. Exact commands for each OS are on this page.

Is CVE-2026-49744 being exploited?

CVE-2026-49744 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-49744 affect?

CVE-2026-49744 affects ddk. Severity is high (CVSS 7.8). Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trigger a write of data outside the Guest's virtualised GPU memory. Out of bounds accesses triggered by malware introduced to a Gue

How urgent is CVE-2026-49744?

Priority 29/100. High severity

Related CVEs

CVE-2026-16280 CRITICAL 9.8 UPGRADE An integer overflow when calculating physical offsets for sparse PMRs may result in 32-bit truncation of addre
CVE-2026-49743 HIGH 7.8 UPGRADE Software installed and run as a non-privileged user may conduct improper GPU system calls to manipulate the li
CVE-2026-49745 HIGH 7.8 UPGRADE Kernel software installed and running inside a Guest VM may post improper commands to the GPU Firmware to trig

References

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