CVE-2020-13659: Null Pointer Dereference
First published: Tue Jun 02 2020(Updated: )
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | =4.2.0 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| openSUSE Leap | =15.2 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =20.04 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.1.1+ds-2 1:9.1.1+ds-4 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- http://www.openwall.com/lists/oss-security/2020/06/01/3
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- https://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07313.html
- https://security.gentoo.org/glsa/202011-09
- https://security.netapp.com/advisory/ntap-20200608-0007/
- https://usn.ubuntu.com/4467-1/
- https://www.debian.org/security/2020/dsa-4728
- https://launchpad.net/bugs/cve/CVE-2020-13659
- https://bugs.launchpad.net/qemu/+bug/1878259
- https://git.qemu.org/?p=qemu.git;a=commit;h=77f55eac6c433e23e82a1b88b2d74f385c4c7d82
- https://security-tracker.debian.org/tracker/CVE-2020-13659
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13659
- https://nvd.nist.gov/vuln/detail/CVE-2020-13659
- https://ubuntu.com/security/CVE-2020-13659
Frequently Asked Questions
What is CVE-2020-13659?
CVE-2020-13659 is a vulnerability in QEMU that can trigger a NULL pointer dereference related to BounceBuffer.
What is the severity of CVE-2020-13659?
CVE-2020-13659 has a severity value of 2.5, which is considered low.
Which software versions are affected by CVE-2020-13659?
CVE-2020-13659 affects QEMU versions 4.2.0 and potentially earlier versions.
How can I fix CVE-2020-13659?
To fix CVE-2020-13659, you should update QEMU to version 4.2.0 (or a later version if available) that includes the necessary patches.
Where can I find more information about CVE-2020-13659?
You can find more information about CVE-2020-13659 in the references provided: [1] [2] [3].
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