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arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade xen | Jul 30, 2024 | Nov 19, 2014 |
| Gentoo Linux | — | Upgrade app-emulation/xen. | Oct 30, 2017 | Nov 19, 2014 |
| Suse | — | Upgrade xenUpgrade xen-libs-32bitUpgrade xen-libsUpgrade xen-doc-pdfUpgrade xen-develUpgrade xen-toolsUpgrade xen-doc-htmlUpgrade xen-tools-domUUpgrade xen-kmp-paeUpgrade xen-kmp-defaultUpgrade xen-kmp-trace | Dec 18, 2015 | Nov 19, 2014 |
| Ubuntu | — | Upgrade xen | Nov 19, 2024 | Nov 19, 2014 |
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