Use After Free in Qemu
CVE-2017-13711
Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.038 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.038 · newest: 0.038 · change: 0.000
Affected products
- Qemu
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- www.securityfocus.com/bid/100534 (VDB Entry, Third Party Advisory, vdb-entry)
- access.redhat.com/errata/RHSA-2018:0816 (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2017/08/29/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2017/dsa-3991 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:1104 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:1113 (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.html (mailing-list, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-13711?
- CVE-2017-13711 is a high-severity vulnerability in Qemu, classified under Use After Free. CVSS score: 7.5/10. Published 2017-09-01.
- How severe is CVE-2017-13711?
- High severity. CVSS v3 base score is 7.5 out of 10.