CVE-2015-8743

HIGH 7.1CVE-2015-8743 · Published 29/12/2016 · updated 17/06/2026

In short

CVE-2015-8743 is a HIGH (CVSS 7.1) vulnerability affecting qemu (qemu).
Chance of exploitation in the next 30 days (EPSS): 0.45%, higher than 38.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
qemu qemu	`≤ 2.5.1`	No fix yet

Description

QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO) user/process could use this flaw to leak or corrupt QEMU memory bytes.

References

debian.org/security/2016/dsa-3469 · Third Party Advisory
debian.org/security/2016/dsa-3470 · Third Party Advisory
debian.org/security/2016/dsa-3471 · Third Party Advisory
openwall.com/lists/oss-security/2016/01/04/1 · Mailing List
openwall.com/lists/oss-security/2016/01/04/2 · Mailing List
securityfocus.com/bid/79820 · Third Party Advisory
securitytracker.com/id/1034574 · Third Party Advisory
bugzilla.redhat.com/show_bug.cgi · Issue Tracking
lists.gnu.org/archive/html/qemu-devel/2016-01/msg00050.html · Patch
security.gentoo.org/glsa/201602-01 · Third Party Advisory

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Package

Affected versions

Patched versions

qemu

≤ 2.5.1

No fix yet

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