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CVE-2023-54031

11
FAUCET Score

CVE-2023-54031 is a vulnerability in the Linux kernel's vdpa subsystem, specifically related to the vdpa_nl_policy structure. A missing policy for the vdpa queue index attribute could lead to out-of-bounds (OOB) read vulnerabilities, similar to CVE-2023-3773. The attack vector involves malformed netlink messages, but the complexity and specific impact are not detailed. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.19CNA affecteddefault affected
LinuxLinux
>= 13b00b135665c92065a27c0c39dd97e0f380bd4f, < 8ad9bc25cbdcec72e7ca43dd8281decb69ea9a70, >= 13b00b135665c92065a27c0c39dd97e0f380bd4f, < b3003e1b54e057f5f3124e437b80c3bef26ed3fe, >= 13b00b135665c92065a27c0c39dd97e0f380bd4f, < ccb533b7070aeeb65c66ea5d590e9c62421dcd61CNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15

Social Chatter

Media Mentions

No media coverage found for this CVE.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2023-54031Low

kernel: vdpa: Add queue index attr to vdpa_nl_policy for nlattr length check

Dec 24, 2025

References

git.kernel.org / stable/c/8ad9bc25cbdcec72e7ca43dd8281decb69ea9a70
git.kernel.org / stable/c/b3003e1b54e057f5f3124e437b80c3bef26ed3fe
git.kernel.org / stable/c/ccb533b7070aeeb65c66ea5d590e9c62421dcd61