VulnerabilityModified
CVE-2015-8558
The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.
MEDIUM 5.5EPSS 0.48%
Does this matter?
Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own.
Description
The ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU allows local guest OS administrators to cause a denial of service (infinite loop and CPU consumption) via a circular isochronous transfer descriptor (iTD) list.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- qemu/qemu · debian/debian linux
- Source
- secalert@redhat.com
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
- http://www.debian.org/security/2016/dsa-3469Third Party Advisory
- http://www.debian.org/security/2016/dsa-3470Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/16Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/9Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/80694Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1277983Issue Tracking, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201602-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=156a2e4dbffa85997636a7a39ef12da6f1b40254
- http://www.debian.org/security/2016/dsa-3469Third Party Advisory
- http://www.debian.org/security/2016/dsa-3470Third Party Advisory
- http://www.debian.org/security/2016/dsa-3471Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/16Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/12/14/9Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/80694Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1277983Issue Tracking, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2015-12/msg02124.htmlMailing List, Patch, Third Party Advisory
- https://security.gentoo.org/glsa/201602-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.