CVE-2026-34196: Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an integer

Q: How do I fix CVE-2026-34196?

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

Q: Is CVE-2026-34196 being exploited?

CVE-2026-34196 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-2026-34196 affect?

CVE-2026-34196 affects ddk. Severity is high (CVSS 7.8). Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an integer overflow and map two GPU virtual addresses to the same physical address. One of these virutal mappings can be freed along with the

Routine

HIGH 7.8UPGRADE

CVE-2026-34196 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.

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an integer overflow and map two GPU virtual addresses to the same physical address. One of these virutal mappings can be freed along with the physical page, allowing for a read/write UAF via the second mapping The second virtual mapping references a physical address that has been freed after the first virtual mapping has been freed. This allows t

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 94%)
CISA exploited list	No
Weakness	CWE-416
Published	2026-07-10
Last modified	2026-10-25

Publisher (CNA): imaginationtech · Vendor: imaginationtech

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-10 21:16 UTCPublished CVE record published
2026-10-25 15:10 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-2026-34196?

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

Is CVE-2026-34196 being exploited?

CVE-2026-34196 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-2026-34196 affect?

CVE-2026-34196 affects ddk. Severity is high (CVSS 7.8). Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an integer overflow and map two GPU virtual addresses to the same physical address. One of these virutal mappings can be freed along with the

How urgent is CVE-2026-34196?

Priority 29/100. High severity

Related CVEs

CVE-2026-41154 HIGH 7.8 UPGRADE Software installed and run as a non-privileged user may cause OOB kernel memory reads or writes through GPU AP
CVE-2026-7639 HIGH 7.8 UPGRADE Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causin
CVE-2026-45196 HIGH 7.8 UPGRADE Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigg
CVE-2026-45203 HIGH 7.8 UPGRADE Kernel software installed and running inside a Host VM may post improper commands to the GPU Firmware to trigg
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

References

← Back to latest CVEs