OpenEuler 20.03 LTS SP3 Security Vulnerabilities

CVE-2021-33640

After tar_close(), libtar.c releases the memory pointed to by pointer t. After tar_close() is called in the list() function, it continues to use pointer t: free_longlink_longname(t->th_buf) . As a result, the released memory is used...

CVE-2021-33656

When setting font with malicous data by ioctl cmd PIO_FONT,kernel will write memory out of...