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kernel: flood ping cause out-of-iommu error and panic when mtu larger than 1500

🗓️ 15 Dec 2009 17:12:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Kernel flood ping with jumbo frames causes IOMMU exhaustion and system panic.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linuxanyi686kernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.i686.rpm
Red Hat Enterprise Linuxanyia64kernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.ia64.rpm
Red Hat Enterprise Linuxanyppc64kernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.ppc64.rpm
Red Hat Enterprise Linuxanyppc64iserieskernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.ppc64iseries.rpm
Red Hat Enterprise Linuxanys390kernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.s390.rpm
Red Hat Enterprise Linuxanys390xkernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.s390x.rpm
Red Hat Enterprise Linuxanyx86_64kernel2.6.9-89.0.18.ELkernel-2.6.9-89.0.18.EL.x86_64.rpm
Red Hat Enterprise Linuxanyi686kernel-debuginfo2.6.9-89.0.18.ELkernel-debuginfo-2.6.9-89.0.18.EL.i686.rpm
Red Hat Enterprise Linuxanyia64kernel-debuginfo2.6.9-89.0.18.ELkernel-debuginfo-2.6.9-89.0.18.EL.ia64.rpm
Red Hat Enterprise Linuxanyppc64kernel-debuginfo2.6.9-89.0.18.ELkernel-debuginfo-2.6.9-89.0.18.EL.ppc64.rpm
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28 Jun 2026 12:08Current
7.2High risk
Vulners AI Score7.2
CVSS 27.8
EPSS0.12461
7