Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-47240

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix OOB Read in qrtr_endpoint_post Syzbot reported slab-out-of-bounds Read in qrtr_endpoint_post. The problem was in wrong _size_ type: if (len != ALIGN(size, 4) + hdrlen) goto err; If size from qrtr_hdr is 4294967293 (0xfffffffd), the result of ALIGN(size, 4) will be 0. In case of len == hdrlen and size == 4294967293 in header this check won't fail and skb_put_data(skb, data + hdrlen, size); will read out of bound from data, which is hdrlen allocated block.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.8%
CVSS Severity
CVSS v3 Score 7.1
Products affected by CVE-2021-47240


Contact Us

Shodan ® - All rights reserved