CVE-2022-49019

MEDIUM EPSS 14.0%
Published Oct 21, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Oct 21, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: nixge: fix NULL dereference In function nixge_hw_dma_bd_release() dereference of NULL pointer priv->rx_bd_v is possible for the case of its allocation failure in nixge_hw_dma_bd_init(). Move for() loop with priv->rx_bd_v dereference under the check for its validity. Found by Linux Verification Center (linuxtesting.org) with SVACE.

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
14.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel*≥4.17  –  <5.4.226
linuxlinux_kernel*≥5.5  –  <5.10.158
linuxlinux_kernel*≥5.11  –  <5.15.82
linuxlinux_kernel*≥5.16  –  <6.0.12
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any

References 5

  • git.kernel.org https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b
    Patch