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CVE-2023-6238

Kernel: nvme: memory corruption via unprivileged user passthrough

CVSS 6.7 MEDIUMEPSS 0.3%CWE-120
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel. Only privileged user could specify a small meta buffer and let the device perform larger Direct Memory Access (DMA) into the same buffer, overwriting unrelated kernel memory, causing random kernel crashes and memory corruption.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Fedora · Fedoran/a · kernelRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9

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References
https://access.redhat.com/security/cve/CVE-2023-6238https://bugzilla.redhat.com/show_bug.cgi?id=2250834