CVE-2012-0953: Kernel heap contents leak race in ioctl handler

Severity: medium (CVSS 5.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-05-08 · updated 2026-06-16
Weakness: CWE-362

Description

A race condition was discovered in the Linux drivers for Nvidia graphics which allowed an attacker to exfiltrate kernel memory to userspace. This issue was fixed in version 295.53.

Affected products

NVIDIA Display Driver: before 295.53 — fixed in 295.53

How to fix

Upgrade to a fixed version: NVIDIA Display Driver 295.53. Check the vendor advisory for mitigations.

References

https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/979373
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/979373

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