There is a NULL pointer dereference in the syscall open_exec function of Allwinner R818 SoC Android Q SDK V1.0 that could executable a malicious file to cause a system crash.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-38784
• https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ASyscall%20open_exec%20has%20Null%20Pointer%20Dereference%20Vulnerability.md
• https://vul.wangan.com/a/CNVD-2021-49172
• https://www.allwinnertech.com/index.php?c=product&a=index&id=92
• https://www.cnvd.org.cn/flaw/show/CNVD-2021-49172