CVE-2022-49019
Vulnerability Summary
Timeline
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 Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.02%• Percentile: 4%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux
≥ 492caffa8a1a405f661c111acabfe6b8b9645db8, < 910c0264b64ef2dad8887714a7c56c93e39a0ed3 | ≥ 492caffa8a1a405f661c111acabfe6b8b9645db8, < 45752af0247589e6d3dede577415bfe117b4392c | ≥ 492caffa8a1a405f661c111acabfe6b8b9645db8, < 9c584d6d9cfb935dce8fc81a4c26debac0a3049b | ≥ 492caffa8a1a405f661c111acabfe6b8b9645db8, < 80e82f7b440b65cf131dce10f487dc73a7046e6b | ≥ 492caffa8a1a405f661c111acabfe6b8b9645db8, < 9256db4e45e8b497b0e993cc3ed4ad08eb2389b6 | 4.17
- linux•linux_kernel
≥ 4.17, < 5.4.226 | ≥ 5.5, < 5.10.158 | ≥ 5.11, < 5.15.82 | ≥ 5.16, < 6.0.12 | 6.1:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6 | 6.1:rc7
References (5)
- https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3
- https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c
- https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b
- https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b
- https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6