CVE-2021-47447 drm/msm/a3xx: fix error handling in a3xx_gpu_init()

What is CVE-2021-47447?

CVE-2021-47447 is a high-severity vulnerability in Linux kernel, published on 22 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

drm/msm/a3xx: fix error handling in a3xx_gpu_init()

These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" did not work because "ret" was set to 1.

Which versions are affected by CVE-2021-47447?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2021-47447?

Apply the vendor's patch.

Is CVE-2021-47447 being exploited?

There is no known exploitation of CVE-2021-47447 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2021-47447, GHSA-94jm-5577-cx4g, UBUNTU-CVE-2021-47447.