VulnerabilityModified
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.
HIGH 7.5EPSS 3.84%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.84%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.84% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- qemu/qemu · debian/debian linux
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2017/dsa-3991Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/29/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/100534Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1113Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1486400Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.htmlPatch, Third Party Advisory
- http://www.debian.org/security/2017/dsa-3991Third Party Advisory
- http://www.openwall.com/lists/oss-security/2017/08/29/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/100534Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0816Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1104Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1113Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1486400Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.htmlPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.