CyberRota Analysis
This is a medium severity vulnerability with a CVSS score of 5.5. It affects Linux.
CVE
CVE-2022-48770
Severity
MEDIUM
CVSS
5.5
EPSS
0.22%
Linux
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: bpf: Guard against accessing NULL pt_regs in bpf_get_task_stack() task_pt_regs() can return NULL on powerpc for kernel threads. This is then used in __bpf_get_stack() to check for user mode, resulting in a kernel oops. Guard against this by checking return value of task_pt_regs() before trying to obtain the call chain.
Related CVEs
Other vulnerabilities affecting the same vendor(s)