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kernel: userspace applications can misuse the KVM API to cause a write of 16 bytes at an offset up to 32 GB from vcpu->run

🗓️ 01 Jun 2021 11:11:24Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Kernel flaw lets userspace misuse KVM API to cause 16-byte out-of-bounds write at a 32 GB offset, risking data integrity.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8aarch64bpftool0:4.18.0-305.3.1.el8_4bpftool-0:4.18.0-305.3.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool0:4.18.0-305.3.1.el8_4bpftool-0:4.18.0-305.3.1.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool0:4.18.0-305.3.1.el8_4bpftool-0:4.18.0-305.3.1.el8_4.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool0:4.18.0-305.3.1.el8_4bpftool-0:4.18.0-305.3.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8aarch64bpftool-debuginfo0:4.18.0-305.3.1.el8_4bpftool-debuginfo-0:4.18.0-305.3.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8ppc64lebpftool-debuginfo0:4.18.0-305.3.1.el8_4bpftool-debuginfo-0:4.18.0-305.3.1.el8_4.ppc64le.rpm
Red Hat Enterprise Linux8s390xbpftool-debuginfo0:4.18.0-305.3.1.el8_4bpftool-debuginfo-0:4.18.0-305.3.1.el8_4.s390x.rpm
Red Hat Enterprise Linux8x86_64bpftool-debuginfo0:4.18.0-305.3.1.el8_4bpftool-debuginfo-0:4.18.0-305.3.1.el8_4.x86_64.rpm
Red Hat Enterprise Linux8aarch64kernel0:4.18.0-305.3.1.el8_4kernel-0:4.18.0-305.3.1.el8_4.aarch64.rpm
Red Hat Enterprise Linux8ppc64lekernel0:4.18.0-305.3.1.el8_4kernel-0:4.18.0-305.3.1.el8_4.ppc64le.rpm
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28 Jun 2026 09:07Current
6.6Medium risk
Vulners AI Score6.6
CVSS 23.6
CVSS 3.17.1
EPSS0.00374
3