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Fencer Vulns
medium 5.5

CVE-2023-50431 json

sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user…

published 2023-12-09 2 y ago modified 2026-10-16 23 d ago also EUVD-2023-55223

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

sec_attest_info in drivers/accel/habanalabs/common/habanalabs_ioctl.c in the Linux kernel through 6.6.5 allows an information leak to user space because info->pad0 is not initialized.

Patch / fix

  • linux linux_kernel 6.6.14
  • linux Debian 12 6.1.76-1
  • linux Debian 14, Debian 13 6.6.15-1

debian advisories DEBIAN-CVE-2023-50431

  • linux-aws-6.5 Ubuntu 22.04 LTS 6.5.0-1017.17~22.04.2
  • linux-gcp-6.5 Ubuntu 22.04 LTS 6.5.0-1017.17~22.04.1
  • linux-hwe-6.5 Ubuntu 22.04 LTS 6.5.0-27.28~22.04.1
  • linux-oem-6.1 Ubuntu 22.04 LTS 6.1.0-1035.35
  • linux-oem-6.5 Ubuntu 22.04 LTS 6.5.0-1019.20
  • linux-azure-6.5 Ubuntu 22.04 LTS 6.5.0-1018.19~22.04.2
  • linux-riscv-6.5 Ubuntu 22.04 LTS 6.5.0-27.28.1~22.04.1
  • linux-nvidia-6.5 Ubuntu 22.04 LTS 6.5.0-1014.14

ubuntu advisories UBUNTU-CVE-2023-50431

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • kernel CBL-Mariner 2.0 5.15.153.1-1
  • kernel Azure Linux 3.0 6.6.92.2-1

azure linux advisories AZL-32175AZL-62064

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-50431 updated cvss 5.5

kernel: information leak in sec_attest_info

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.