CVE-2024-46741

high

Description

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.

References

https://git.kernel.org/stable/c/f77dc8a75859e559f3238a6d906206259227985e

https://git.kernel.org/stable/c/e8c276d4dc0e19ee48385f74426aebc855b49aaf

https://git.kernel.org/stable/c/bfc1704d909dc9911a558b1a5833d3d61a43a1f2

Details

Source: Mitre, NVD

Published: 2024-09-18

Updated: 2024-09-20

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High