Double Free in Linux
CVE-2024-46741
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix double free of 'buf' in error path smatch warning: drivers/misc/fastrpc.c:1926 fastrpc_req_mmap() error: double free of 'buf' In fastrpc_req_mmap() error path, the fastrpc buffer is freed in fastrpc_req_munmap_impl() if unmap is successful. But in the end, there is an unconditional call to fastrpc_buf_free(). So the above case triggers the double free of fastrpc buf.
Vulnerability class: Double Free
EPSS: 0.002 (16.0th 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 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2, 6.2, 0
- Linux Linux_kernel — versions 6.11
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-46741?
- CVE-2024-46741 is a high-severity vulnerability in Linux, classified under Double Free. CVSS score: 7.8/10. Published 2024-09-18.
- How severe is CVE-2024-46741?
- High severity. CVSS v3 base score is 7.8 out of 10.