CVE-2018-20124
First published: Thu Dec 20 2018(Updated: )
hw/rdma/rdma_backend.c in QEMU allows guest OS users to trigger out-of-bounds access via a PvrdmaSqWqe ring element with a large num_sge value.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | <=3.1.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/qemu | 1:5.2+dfsg-11+deb11u3 1:5.2+dfsg-11+deb11u2 1:7.2+dfsg-7+deb12u7 1:9.1.2+ds-1 1:9.2.0+ds-2 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2018/12/18/2
- http://www.securityfocus.com/bid/106290
- https://lists.gnu.org/archive/html/qemu-devel/2018-12/msg02822.html
- https://usn.ubuntu.com/3923-1/
- https://launchpad.net/bugs/cve/CVE-2018-20124
- https://git.qemu.org/?p=qemu.git;a=commit;h=0e68373cc2b3a063ce067bc0cc3edaf370752890
- https://bugs.debian.org/922461#18
- https://security-tracker.debian.org/tracker/CVE-2018-20124
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20124
- https://nvd.nist.gov/vuln/detail/CVE-2018-20124
- https://ubuntu.com/security/CVE-2018-20124
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