CVE-2012-0029 — Heap-based buffer overflow in the process_tx_desc function in the e1000 emulatio

Heap-based buffer overflow in the process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other versions, allows guest OS users to cause a denial of service (QEMU crash) and possibly execute arbitrary code via crafted legacy mode packets.

01What is this vulnerability?

Heap-based buffer overflow in the process_tx_desc function in the e1000 emulation (hw/e1000.c) in qemu-kvm 0.12, and possibly other versions, allows guest OS users to cause a denial of service (QEMU crash) and possibly execute arbitrary code via crafted legacy mode packets.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2012-01-27T15:00:00.000Z
• Last modified: 2024-08-06T18:09:17.355Z

09References

• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/72656
• secunia.com — http://secunia.com/advisories/47741
• git.qemu.org — http://git.qemu.org/?p=qemu.git%3Ba=log%3Bh=refs/heads/stable-1.0
• secunia.com — http://secunia.com/advisories/47992
• secunia.com — http://secunia.com/advisories/48318
• secunia.com — http://secunia.com/advisories/47740
• www.redhat.com — http://www.redhat.com/support/errata/RHSA-2012-0050.html
• lists.opensuse.org — http://lists.opensuse.org/opensuse-updates/2012-02/msg00009.html
• www.ubuntu.com — http://www.ubuntu.com/usn/USN-1339-1
• www.securityfocus.com — http://www.securityfocus.com/bid/51642
• secunia.com — http://secunia.com/advisories/50913
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00002.html
• rhn.redhat.com — http://rhn.redhat.com/errata/RHSA-2012-0370.html
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=772075
• lists.fedoraproject.org — http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081972.html