CVE-2022-49642

MEDIUM EPSS 14.9%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: dwc-qos: Disable split header for Tegra194 There is a long-standing issue with the Synopsys DWC Ethernet driver for Tegra194 where random system crashes have been observed [0]. The problem occurs when the split header feature is enabled in the stmmac driver. In the bad case, a larger than expected buffer length is received and causes the calculation of the total buffer length to overflow. This results in a very large buffer length that causes the kernel to crash. Why this larger buffer length is received is not clear, however, the feedback from the NVIDIA design team is that the split header feature is not supported for Tegra194. Therefore, disable split header support for Tegra194 to prevent these random crashes from occurring. [0] https://lore.kernel.org/linux-tegra/b0b17697-f23e-8fa5-3757-604a86f3a095@nvidia.com/

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
14.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥5.4  –  <5.4.207
linuxlinux_kernel*≥5.5  –  <5.10.132
linuxlinux_kernel*≥5.11  –  <5.15.56
linuxlinux_kernel*≥5.16  –  <5.18.13
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/029c1c2059e9c4b38f97a06204cdecd10cfbeb8a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2968830c9b47ce093237483c6207c61065712386
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9cc8edc571b871d974b3289868553f9ce544aba6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cfa4caf3e881ad6dd366c903c34f1c7f21b857ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d5c315a787652c35045044877a249f7d5c8a4104
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/029c1c2059e9c4b38f97a06204cdecd10cfbeb8a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2968830c9b47ce093237483c6207c61065712386
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9cc8edc571b871d974b3289868553f9ce544aba6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/cfa4caf3e881ad6dd366c903c34f1c7f21b857ab
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d5c315a787652c35045044877a249f7d5c8a4104
    Patch