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Debian: DSA-2396-1 Urgent: Buffer Underflow Issue in QEMU-KVM Exploit

debian
Calendar Grey January 27, 2012
Scroller Debian
An integer overflow in the qemu-kvm's virtio network driver poses significant security risks, potentially leading to denial of service (DoS) and unauthorized privilege escalation.
Nicolae Mogoraenu discovered a heap overflow in the emulated e1000e network interface card of KVM, a solution for full virtualization on x86 hardware, which could result in denial ...
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Topics Covered

security advisory debian privilege escalation dos buffer underflow

Summary

Nicolae Mogoraenu discovered a heap overflow in the emulated e1000e
network interface card of KVM, a solution for full virtualization on
x86 hardware, which could result in denial of service or privilege
escalation.

This update also fixes a guest-triggerable memory corruption in
VNC handling.

For the stable distribution (squeeze), this problem has been fixed in
version 0.12.5+dfsg-5+squeeze8.

For the unstable distribution (sid), this problem has been fixed in
version 1.0+dfsg-5.

We recommend that you upgrade your qemu-kvm packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/



Severity
critical
Lowest
Low
Medium
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Critical

Package: qemu-kvm
CVE ID: CVE-2012-0029

Topics%20covered

Topics Covered

security advisory debian privilege escalation dos buffer underflow

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