The (1) do_send and (2) do_recv functions in io.c in libvchan in Xen 4.2.x, 4.3.x, and 4.4-RC series allows local guests to cause a denial of service or possibly gain privileges via crafted xenstore ring indexes, which triggers a "read or write past the end of the ring."
CVSS Details
- CVSS 3.1 Base Score: 5.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 30, 2024 | Apr 1, 2014 |
| Gentoo Linux | — | Upgrade app-emulations/xen-tools.Upgrade app-emulations/xen.Upgrade app-emulations/xen-pvgrub. | Oct 30, 2017 | Apr 1, 2014 |
| Suse | — | Upgrade xen-develUpgrade xen-kmp-paeUpgrade xen-doc-htmlUpgrade xen-libsUpgrade xenUpgrade xen-kmp-defaultUpgrade xen-libs-32bitUpgrade xen-toolsUpgrade xen-tools-domUUpgrade xen-doc-pdf | Dec 18, 2015 | Mar 14, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Apr 1, 2014 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub