CVE-2024-46741

HIGH EPSS 15.7%
Published Sep 18, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 18, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
15.7% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-415

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥6.2  –  <6.6.51
linuxlinux_kernel*≥6.7  –  <6.10.10
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/bfc1704d909dc9911a558b1a5833d3d61a43a1f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e8c276d4dc0e19ee48385f74426aebc855b49aaf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f77dc8a75859e559f3238a6d906206259227985e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/bfc1704d909dc9911a558b1a5833d3d61a43a1f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e8c276d4dc0e19ee48385f74426aebc855b49aaf
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f77dc8a75859e559f3238a6d906206259227985e
    Patch