CVE-2021-28952 Memory corruption in n/a

High 7.8 Published Updated

A buffer overflow in the Linux kernel Qualcomm soundwire driver allows attackers to execute arbitrary code or escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2021-28952?

CVE-2021-28952 is a high-severity memory corruption vulnerability in Fedoraproject Fedora, published on 20 Mar 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered, aka CID-1c668e1c0a0f. (This has been fixed in 5.12-rc4.)

Weakness: CWE-120

Which versions are affected by CVE-2021-28952?

It affects 7 products.

Products include Fedoraproject Fedora, Linux kernel, Netapp A250 Firmware, Netapp Aff 500f Firmware, Netapp Cloud Backup, Netapp Fas 500f Firmware and 1 more.

How do I fix CVE-2021-28952?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2021-28952 being exploited?

There is no known exploitation of CVE-2021-28952 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as AZL-6540, DEBIAN-CVE-2021-28952, GHSA-c23c-7v62-fpvq, UBUNTU-CVE-2021-28952.

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