CVE-2022-50358

MEDIUM EPSS 19.2%
Published Sep 17, 20259mo ago · Modified Jun 17, 20262w ago
4.2 CVSS 3.1
Medium
Find Similar
Published Sep 17, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: return error when getting invalid max_flowrings from dongle When firmware hit trap at initialization, host will read abnormal max_flowrings number from dongle, and it will cause kernel panic when doing iowrite to initialize dongle ring. To detect this error at early stage, we directly return error when getting invalid max_flowrings(>256).

CVSS Details

Base Score
4.2
Exploitability
0.5
Impact
3.6
Vector string
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Physical
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
19.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 5

VendorProductVersionRange
linuxlinux_kernel* <5.4.229
linuxlinux_kernel*≥5.5  –  <5.10.163
linuxlinux_kernel*≥5.11  –  <5.15.86
linuxlinux_kernel*≥5.16  –  <6.0.16
linuxlinux_kernel*≥6.1  –  <6.1.2

References 6

  • git.kernel.org https://git.kernel.org/stable/c/10c4b63d09a5b0ebf1b61af1dae7f25555cf58b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/200347eb3b2608cc8b54c13dd1d5e03809ba2eb2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2aca4f3734bd717e04943ddf340d49ab62299a00
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e8bb402b060a6c22160de3d72cee057698177c8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3cc9299036bdb647408e11e41de3eb1ff6d428cd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87f126b25fa8562196f0f4c0aa46a446026199bf
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/10c4b63d09a5b0ebf1b61af1dae7f25555cf58b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/200347eb3b2608cc8b54c13dd1d5e03809ba2eb2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2aca4f3734bd717e04943ddf340d49ab62299a00
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e8bb402b060a6c22160de3d72cee057698177c8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3cc9299036bdb647408e11e41de3eb1ff6d428cd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/87f126b25fa8562196f0f4c0aa46a446026199bf
    Patch