USN-4283-1: QEMU vulnerabilities
qemu vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in QEMU.
Software Description
- qemu – Machine emulator and virtualizer
Details
Felipe Franciosi, Raphael Norwitz, and Peter Turschmid discovered that QEMU
incorrectly handled iSCSI server responses. A remote attacker in control of
the iSCSI server could use this issue to cause QEMU to crash, leading to a
denial of service, or possibly execute arbitrary code. (CVE-2020-1711)
It was discovered that the QEMU libslirp component incorrectly handled
memory. A remote attacker could use this issue to cause QEMU to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-7039, CVE-2020-8608)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- qemu – 1:4.0+dfsg-0ubuntu9.4
- qemu-system – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-arm – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-mips – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-ppc – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-s390x – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-sparc – 1:4.0+dfsg-0ubuntu9.4
- qemu-system-x86 – 1:4.0+dfsg-0ubuntu9.4
- Ubuntu 18.04 LTS
- qemu – 1:2.11+dfsg-1ubuntu7.23
- qemu-system – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-arm – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-mips – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-ppc – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-s390x – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-sparc – 1:2.11+dfsg-1ubuntu7.23
- qemu-system-x86 – 1:2.11+dfsg-1ubuntu7.23
- Ubuntu 16.04 LTS
- qemu – 1:2.5+dfsg-5ubuntu10.43
- qemu-system – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-aarch64 – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-arm – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-mips – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-ppc – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-s390x – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-sparc – 1:2.5+dfsg-5ubuntu10.43
- qemu-system-x86 – 1:2.5+dfsg-5ubuntu10.43
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart all QEMU virtual
machines to make all the necessary changes.
References
Source: USN-4283-1: QEMU vulnerabilities
