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CVE-2015-4037

Status Candidate

Overview

The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which allows local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program.

Related Files

Debian Security Advisory 3285-1
Posted Jun 15, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3285-1 - Several vulnerabilities were discovered in qemu-kvm, a full virtualization solution on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2015-3209, CVE-2015-4037
SHA-256 | e33433c17499dd79c1bb1dae8bdae24e5514dc76b4688c07b38375f0c1b0cb3d
Ubuntu Security Notice USN-2630-1
Posted Jun 10, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2630-1 - Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. Kurt Seifried discovered that QEMU incorrectly handled certain temporary files. A local attacker could use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2015-3209, CVE-2015-4037, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106
SHA-256 | 0cf8d12b43821d761977856e4b4c7a6239ab8e88288255906bfafed04c494023
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