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: 0.24%• Percentile: 15%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.158-1 | < 6.0.12-1 | < 6.0.12-1 | < 6.0.12-1
- ubuntu•linux
< 5.4.0-144.161 | < 5.15.0-67.74
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 5.4.0-1097.105 | < 5.15.0-1031.35
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1031.35~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1097.105~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
all
- ubuntu•linux-aws-6.5
all
- ubuntu•linux-aws-fips
< 5.4.0-1099.107+fips1 | all
- ubuntu•linux-azure
all | < 5.4.0-1104.110 | < 5.15.0-1034.41
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1034.41~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1104.110~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
all
- ubuntu•linux-azure-6.5
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1034.41.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
all
- ubuntu•linux-azure-fips
< 5.4.0-1104.110+fips1 | all
- ubuntu•linux-bluefield
all | < 5.4.0-1059.65 | < 5.15.0-1014.16
- ubuntu•linux-fips
< 5.4.0-1073.82 | all
- ubuntu•linux-gcp
all | < 5.4.0-1101.110 | < 5.15.0-1030.37
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1030.37~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1101.110~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
all
- ubuntu•linux-gcp-6.5
all
- ubuntu•linux-gcp-fips
< 5.4.0-1101.110+fips1 | all
- ubuntu•linux-gke
all | < 5.15.0-1028.33
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1065.69 | < 5.15.0-1016.21
- ubuntu•linux-gkeop-5.15
< 5.15.0-1016.21~20.04.1
- ubuntu•linux-gkeop-5.4
all
Showing first 50 affected entries in server-rendered view.
References (9)
- 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
- https://ubuntu.com/security/CVE-2022-49019
- https://www.cve.org/CVERecord?id=CVE-2022-49019
- https://git.kernel.org/linus/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
- https://security-tracker.debian.org/tracker/CVE-2022-49019