What’s Vulnerable › Vulnerabilities

CVE-2022-50275: drm/radeon: Add the missed acpi_put_table() to fix memory leak

• Severity: medium (CVSS 5.5 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: none known
• Published: 2025-09-15 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: Add the missed acpi_put_table() to fix memory leak When the radeon driver reads the bios information from ACPI table in radeon_acpi_vfct_bios(), it misses to call acpi_put_table() to release the ACPI memory after the init, so add acpi_put_table() properly to fix the memory leak. v2: fix text formatting (Alex)

Affected products

• Linux kernel: from 3.2.29 before 3.3; from 3.4.12 before 3.5; from 3.5.5 before 3.6; from 3.6.1 before 4.14.303; from 4.15 before 4.19.270; from 4.20 before 5.4.229 — fixed in 3.3, 3.5, 3.6, 4.14.303, 4.19.270, 5.10.163

How to fix

Upgrade to a fixed version: Linux kernel 3.3, 3.5, 3.6, 4.14.303. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10276a20be1115e1f76c189330da2992df980eee
• https://git.kernel.org/stable/c/4539e3211a9bd2418e76797718a4e60a7ae34fcf
• https://git.kernel.org/stable/c/4760fa67aff6bd8ef0b14c1fa04c295e734c7309
• https://git.kernel.org/stable/c/50113de0f1e913c0b733e21d3e61fe9c0f2e9d50
• https://git.kernel.org/stable/c/6d25bc63708145c10f9c099d5c005602a7f2ef5f
• https://git.kernel.org/stable/c/9e203e437310f61fdf3c1107f41f85864cf4f6b1
• https://git.kernel.org/stable/c/a0f26560be2c566b62331cb0eeffa52929aa4d44
• https://git.kernel.org/stable/c/b4b30f56ec512e2c35fc0761bc90b0e519d8fa6e

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