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kernel: dio: zero struct dio with kzalloc instead of manually

🗓️ 19 Nov 2008 13:43:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Kernel direct input output dio struct not zeroed with kzalloc, enabling local users to cause a denial of service.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linuxanyi686kernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.i686.rpm
Red Hat Enterprise Linuxanyia64kernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.ia64.rpm
Red Hat Enterprise Linuxanyppc64kernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.ppc64.rpm
Red Hat Enterprise Linuxanyppc64iserieskernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.ppc64iseries.rpm
Red Hat Enterprise Linuxanys390kernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.s390.rpm
Red Hat Enterprise Linuxanys390xkernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.s390x.rpm
Red Hat Enterprise Linuxanyx86_64kernel2.6.9-78.0.8.ELkernel-2.6.9-78.0.8.EL.x86_64.rpm
Red Hat Enterprise Linuxanyi686kernel-debuginfo2.6.9-78.0.8.ELkernel-debuginfo-2.6.9-78.0.8.EL.i686.rpm
Red Hat Enterprise Linuxanyia64kernel-debuginfo2.6.9-78.0.8.ELkernel-debuginfo-2.6.9-78.0.8.EL.ia64.rpm
Red Hat Enterprise Linuxanyppc64kernel-debuginfo2.6.9-78.0.8.ELkernel-debuginfo-2.6.9-78.0.8.EL.ppc64.rpm
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25 Jun 2026 10:35Current
6.1Medium risk
Vulners AI Score6.1
CVSS 24.9
CVSS 3.15.5
EPSS0.00518
5