What’s Vulnerable › Vulnerabilities

CVE-2022-1419

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-06-02 · updated 2026-06-17
• Weakness: CWE-416

Description

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in *vgem_gem_dumb_create*) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.

Affected products

• Debian Linux: 10.0
• Linux kernel: before 5.6; 5.6, 5.6-rc1 — fixed in 5.6

How to fix

Upgrade to a fixed version: Linux kernel 5.6. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2077560
• https://www.debian.org/security/2022/dsa-5173
• https://bugzilla.redhat.com/show_bug.cgi?id=2077560
• https://www.debian.org/security/2022/dsa-5173

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