This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2021-3592 →
DEBIAN-CVE-2021-3592
An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and co...
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
libslirp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1-1"}]}]
Debian:13
libslirp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1-1"}]}]
Debian:14
libslirp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1-1"}]}]
Debian:12
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1-2"}]}]
Debian:13
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1-2"}]}]
Debian:14
qemu
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.1-2"}]}]
References
- advisory security-tracker.debian.org