What’s Vulnerable › Vulnerabilities

CVE-2022-49336: drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem

• Severity: medium (CVSS 5.5 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: 2025-02-26 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem When the mapping is already reaped the unmap must be a no-op, as we would otherwise try to remove the mapping twice, corrupting the involved data structures.

Affected products

• Linux kernel: from 4.5 before 5.4.198; from 5.5 before 5.10.121; from 5.11 before 5.15.46; from 5.16 before 5.17.14; from 5.18 before 5.18.3 — fixed in 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.4.198

How to fix

Upgrade to a fixed version: Linux kernel 5.10.121, 5.15.46, 5.17.14, 5.18.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03bd455a79f69d97fee3e3b212ab754442f10e5c
• https://git.kernel.org/stable/c/19323b3671a85788569d15685c8f83a05ec48cbb
• https://git.kernel.org/stable/c/436cff507f2a41230baacc3e2ef1d3b2d2653f40
• https://git.kernel.org/stable/c/461c0fdf9434188875da9f10cfc86065866bb797
• https://git.kernel.org/stable/c/64f4edec081cb7c97c5e928529d0e1b0dbbffb83
• https://git.kernel.org/stable/c/e168c25526cd0368af098095c2ded4a008007e1b

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