Use After Free in Linux Kernel

CVE-2022-1048

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Vulnerability class: Use-After-Free

EPSS: 0.002 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-1048?
CVE-2022-1048 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.0/10. Published 2022-04-29.
How severe is CVE-2022-1048?
High severity. CVSS v3 base score is 7.0 out of 10.