CVE-2022-49626

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A use-after-free issue has been detected in the Linux kernel when disabling SR-IOV. The issue occurs when the vf->pci dev pointer is freed from pci disable sriov and later read in efx ef10 sriov free vf vports, called from efx ef10 sriov free vf vswitching. This can be triggered by writing to the /sys/class/net/enp65s0f0np0/device/sriov numvfs file. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.