NULL Pointer Dereference Affecting kernel-devel package, versions *
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Test your applications- Snyk ID SNYK-CENTOS7-KERNELDEVEL-7763697
- published 21 Aug 2024
- disclosed 17 Aug 2024
Introduced: 17 Aug 2024
CVE-2024-43819 Open this link in a new tabHow to fix?
There is no fixed version for Centos:7 kernel-devel.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
kvm: s390: Reject memory region operations for ucontrol VMs
This change rejects the KVM_SET_USER_MEMORY_REGION and KVM_SET_USER_MEMORY_REGION2 ioctls when called on a ucontrol VM. This is necessary since ucontrol VMs have kvm->arch.gmap set to 0 and would thus result in a null pointer dereference further in. Memory management needs to be performed in userspace and using the ioctls KVM_S390_UCAS_MAP and KVM_S390_UCAS_UNMAP.
Also improve s390 specific documentation for KVM_SET_USER_MEMORY_REGION and KVM_SET_USER_MEMORY_REGION2.
[frankja@linux.ibm.com: commit message spelling fix, subject prefix fix]