VulnerabilityModified
CVE-2023-6238
A buffer overflow vulnerability was found in the NVM Express (NVMe) driver in the Linux kernel.
MEDIUM 6.7EPSS 0.29%
Does this matter?
Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.
Description
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
- 6.7 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.29% probability · 22th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- linux/linux kernel · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- https://access.redhat.com/security/cve/CVE-2023-6238Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250834Issue Tracking, Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-6238Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2250834Issue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.