Not rated
CVE-2021-3592 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU
Description
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| QEMU | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- FEDORA-2021-71de23bedd lists.fedoraproject.org
- FEDORA-2021-7cd749f133 lists.fedoraproject.org
- GLSA-202107-44 security.gentoo.org
- security.netapp.com security.netapp.com
- [debian-lts-announce] 20210902 [SECURITY] [DLA 2753-1] qemu security update lists.debian.org
- [debian-lts-announce] 20210911 [SECURITY] [DLA 2753-2] qemu regression update lists.debian.org
- [debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update lists.debian.org
Timeline
- Published
- Last modified
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