CVEvulnerability
CVE-2022-49019
5.5 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2024-10-21
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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.
Affected configurations
• linux linux kernel (>= 4.17 < 5.4.226)
• linux linux kernel (>= 5.5 < 5.10.158)
• linux linux kernel (>= 5.11 < 5.15.82)
• linux linux kernel (>= 5.16 < 6.0.12)
• linux linux kernel 6.1
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c Patch
- https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b Patch
- https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3 Patch
- https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6 Patch
- https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b Patch