net: ethernet: nixge: fix NULL dereference
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/45752af0247589e6d3dede577415bfe117b4392c
- https://git.kernel.org/stable/c/80e82f7b440b65cf131dce10f487dc73a7046e6b
- https://git.kernel.org/stable/c/910c0264b64ef2dad8887714a7c56c93e39a0ed3
- https://git.kernel.org/stable/c/9256db4e45e8b497b0e993cc3ed4ad08eb2389b6
- https://git.kernel.org/stable/c/9c584d6d9cfb935dce8fc81a4c26debac0a3049b
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49019.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49019