virtio_net: fix memory leak inside XPD_TX with mergeable
In the Linux kernel, the following vulnerability has been resolved: virtio_net: fix memory leak inside XPD_TX with mergeable When we call xdp_convert_buff_to_frame() to get xdpf, if it returns NULL, we should check if xdp_page was allocated by xdp_linearize_page(). If it is newly allocated, it should be freed here alone. Just like any other "goto err_xdp".
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: virtio_net: fix memory leak inside XPD_TX with mergeable When we call xdp_convert_buff_to_frame() to get xdpf, if it returns NULL, we should check if xdp_page was allocated by xdp_linearize_page(). If it is newly allocated, it should be freed here alone. Just like any other "goto err_xdp".
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/18e383afbd7047af7b055df6e25436e0ce28f8a5
- https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af
- https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82
- https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50065.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50065