Use After Free in Linux
CVE-2022-48873
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Don't remove map on creater_process and device_release Do not remove the map from the list on error path in fastrpc_init_create_process, instead call fastrpc_map_put, to avoid use-after-free. Do not remove it on fastrpc_device_release either, call fastrpc_map_put instead. The fastrpc_free_map is the only proper place to remove the map. This is called only after the reference count is 0.
Vulnerability class: Use-After-Free
EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 5.1.6, 5.10.165, 5.15.90
- Linux Linux_kernel — versions 6.2
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2022-48873?
- CVE-2022-48873 is a high-severity vulnerability in Linux, classified under Use After Free. CVSS score: 7.8/10. Published 2024-08-21.
- How severe is CVE-2022-48873?
- High severity. CVSS v3 base score is 7.8 out of 10.