Headline
CVE-2021-3592: Invalid Bug ID
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the ‘bootp_t’ structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
‘1970484?cve=title’ is not a valid bug number nor an alias to a bug.
Please press Back and try again.
Related news
An update for the virt:rhel and virt-devel:rhel modules is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original. Related CVEs: * CVE-2020-15859: QEMU: net: e1000e: use-after-free while sending packets * CVE-2021-3592: QEMU: slirp: invalid pointer initialization may lead to information disclosure (bootp) * CVE-2021-3593: QEMU: slirp: invalid pointer initialization may lead to information disclosure (udp6) * CVE-2021-3594: QEMU: slirp: invalid pointer initi...