NULL pointer dereference in Linux
CVE-2022-49616
In the Linux kernel, the following vulnerability has been resolved: ASoC: rt7*-sdw: harden jack_detect_handler Realtek headset codec drivers typically check if the card is instantiated before proceeding with the jack detection. The rt700, rt711 and rt711-sdca are however missing a check on the card pointer, which can lead to NULL dereferences encountered in driver bind/unbind tests.
EPSS: 0.003 (16.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 320b8b0d13b81f3697acff5b6ddb47f88a09c118, 5.6, 0
- Linux Linux_kernel — versions 5.19
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-49616?
- CVE-2022-49616 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-02-26.
- How severe is CVE-2022-49616?
- Medium severity. CVSS v3 base score is 5.5 out of 10.