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kernel: KVM: NULL pointer dereference in kvm_dirty_ring_push in virt/kvm/dirty_ring.c

🗓️ 08 Nov 2022 09:32:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Null pointer dereference in dirty ring release for a vCPU lets an unprivileged host attacker cause a kernel oops via ioctl.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64bpftool0:4.18.0-425.3.1.el8bpftool-0:4.18.0-425.3.1.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool0:4.18.0-425.3.1.el8bpftool-0:4.18.0-425.3.1.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool0:4.18.0-425.3.1.el8bpftool-0:4.18.0-425.3.1.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool0:4.18.0-425.3.1.el8bpftool-0:4.18.0-425.3.1.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64bpftool-debuginfo0:4.18.0-425.3.1.el8bpftool-debuginfo-0:4.18.0-425.3.1.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool-debuginfo0:4.18.0-425.3.1.el8bpftool-debuginfo-0:4.18.0-425.3.1.el8.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool-debuginfo0:4.18.0-425.3.1.el8bpftool-debuginfo-0:4.18.0-425.3.1.el8.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool-debuginfo0:4.18.0-425.3.1.el8bpftool-debuginfo-0:4.18.0-425.3.1.el8.x86_64.rpm
Red Hat Enterprise Linux8aarch64kernel0:4.18.0-425.3.1.el8kernel-0:4.18.0-425.3.1.el8.aarch64.rpm
Red Hat Enterprise Linux8ppc64lekernel0:4.18.0-425.3.1.el8kernel-0:4.18.0-425.3.1.el8.ppc64le.rpm
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