CVE-2019-12155: Null Pointer Dereference
First published: Thu Apr 25 2019(Updated: )
A null pointer dereference issue was found the QXL VGA card emulator of QEMU. It could occur while releasing resources allocated for a SPICE server thread in interface_release_resources(). A guest user could use this flaw to crash the QEMU process resulting in DoS scenario. Upstream patch: --------------- -> <a href="https://git.qemu.org/?p=qemu.git;a=commit;h=d52680fc932efb8a2f334cc6993e705ed1e31e99">https://git.qemu.org/?p=qemu.git;a=commit;h=d52680fc932efb8a2f334cc6993e705ed1e31e99</a> Reference: ---------- -> <a href="https://www.openwall.com/lists/oss-security/2019/05/22/1">https://www.openwall.com/lists/oss-security/2019/05/22/1</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/qemu-kvm | <2:0.12.1.2-2.506.el6_10.5 | 2:0.12.1.2-2.506.el6_10.5 |
| redhat/qemu-kvm | <10:1.5.3-167.el7_7.1 | 10:1.5.3-167.el7_7.1 |
| redhat/qemu-kvm-rhev | <10:2.12.0-33.el7_7.4 | 10:2.12.0-33.el7_7.4 |
| redhat/qemu-kvm-rhev | <10:2.12.0-44.el7 | 10:2.12.0-44.el7 |
| QEMU KVM | =4.0.0 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u12 1:9.2.0+ds-2 1:9.2.0+ds-5 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2019-12155 https://nvd.nist.gov/vuln/detail/CVE-2019-12155
- https://bugzilla.redhat.com/show_bug.cgi?id=1712670
- https://access.redhat.com/errata/RHBA-2019:3723
- https://access.redhat.com/errata/RHSA-2019:2892
- https://access.redhat.com/errata/RHSA-2019:2607
- https://access.redhat.com/errata/RHSA-2019:3345
- https://access.redhat.com/errata/RHSA-2019:4344
- https://access.redhat.com/errata/RHSA-2019:3787
- https://access.redhat.com/errata/RHSA-2019:3742
- https://access.redhat.com/errata/RHSA-2019:3179
- https://access.redhat.com/errata/RHSA-2020:1216
- https://access.redhat.com/security/cve/cve-2019-12155
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html
- http://www.openwall.com/lists/oss-security/2019/05/22/1
- https://git.qemu.org/?p=qemu.git;a=commit;h=3be7eb2f47bf71db5f80fcf8750ea395dd5ffdd2
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://lists.gnu.org/archive/html/qemu-devel/2019-05/msg01321.html
- https://seclists.org/bugtraq/2019/May/76
- https://usn.ubuntu.com/4191-1/
- https://usn.ubuntu.com/4191-2/
- https://www.debian.org/security/2019/dsa-4454
- https://launchpad.net/bugs/cve/CVE-2019-12155
- https://git.qemu.org/?p=qemu.git;a=commit;h=d52680fc932efb8a2f334cc6993e705ed1e31e99
- https://www.openwall.com/lists/oss-security/2019/05/22/1
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1712727
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=3be7eb2f47bf71db5f80fcf8750ea395dd5ffdd2
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BOE3PVFPMWMXV3DGP2R3XIHAF2ZQU3FS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVDHJB2QKXNDU7OFXIHIL5O5VN5QCSZL/
- https://security-tracker.debian.org/tracker/CVE-2019-12155
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12155
- https://nvd.nist.gov/vuln/detail/CVE-2019-12155
- https://ubuntu.com/security/CVE-2019-12155
Parent vulnerabilities
(Appears in the following advisories)
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID is CVE-2019-12155.
What is the severity level of CVE-2019-12155?
The severity level of CVE-2019-12155 is high with a score of 7.5.
Which software versions are affected by CVE-2019-12155?
QEMU versions 3.1.x through 4.0.0 are affected.
How can I fix the vulnerability in QEMU?
You can fix the vulnerability by updating QEMU to version 4.0.1 or later.
Where can I find more information about CVE-2019-12155?
You can find more information about CVE-2019-12155 at the following references: [Link1](https://git.qemu.org/?p=qemu.git;a=commit;h=d52680fc932efb8a2f334cc6993e705ed1e31e99), [Link2](https://www.openwall.com/lists/oss-security/2019/05/22/1), [Link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1712727).
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