CVE-2026-46291

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

Description (MITRE) cveawg.mitre.org

Pulled from cveawg.mitre.org/api/cve/CVE-2026-46291 on 2026-10-31. Shown when MITRE's text differs from the cvelistV5 mirror.

In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

Overview

State

—

Assigner (CNA)

—

CVSS severity

high

CVSS score

7.1 / 10

CVSS vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Effective score

7.1 / 10 HIGH source: CNA overview

MSRC score

5.5 / 10 MEDIUM MS rating: Moderate

CWE(s)

—

Reserved

—

Published

2026-06-09 07:00 UTC

Last updated

2026-06-20 01:43 UTC

Source

https://www.tenable.com/cve/CVE-2026-46291

Linked Threat

CVE-2026-46291 — CVE-2026-46291

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-06-08 17:16:47 UTC

NVD last modified

2026-07-23 08:10:00 UTC

NVD CVSS v3.1

5.5 / 10 MEDIUM source: nvd@nist.gov

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability subscore

1.8 / 10

Impact subscore

3.6 / 10

EPSS score

0.0012 (probability of exploitation in next 30 days)

EPSS percentile

2.40% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2026-35157

Assigner

Linux

Published

Jun 8, 2026, 3:46:18 PM

Updated

Jun 19, 2026, 12:00:06 PM

EUVD base score

0.0 / 10

EUVD-reported EPSS

0.1200

Vendors

Linux

Products

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <2adbfca7452eeac45117b8e803288a2767f7075f)

Linux (patch: 6.12.88)

Linux (patch: 0)

Linux (patch: 6.1.176)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <177730a273b18e195263ed953853273e901b5064)

Linux (patch: 7.1)

Linux (3.6)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <a9207798fe619cbc85c8744a9b9e2af1db2b6e1a)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <e8e72fdf47bd5ef7abe642b034c6178a61a8580a)

Linux (patch: 7.0.7)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <5cffe3c136891aa4d579bf5c079a68f7cb371b0c)

Linux (patch: 6.18.30)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <cd849c07b8d706425e60a4dfcef54b7b67c967ce)

Linux (patch: 6.6.140)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48)

Linux (patch: 5.10.259)

Linux (patch: 5.15.210)

Linux (045e36780f11523e26d1e4a8c78bdc57f4003bd0 <b8f12d9b00c1950779e5679b9c13908584682bb6)

Aliases

GHSA-66f6-qxv2-c6gr

ENISA description: In the Linux kernel, the following vulnerability has been resolved: crypto: caam - guard HMAC key hex dumps in hash_digest_key Use print_hex_dump_devel() for dumping sensitive HMAC key bytes in hash_digest_key() to avoid leaking secrets at runtime when CONFIG_DYNAMIC_DEBUG is enabled.

Microsoft Security Response Center MSRC

Microsoft's vendor-authoritative record from the Security Update Guide — its own CVSS score, impact, severity rating, exploit assessment, and KB-article fixes. Refreshed 2026-11-03 04:06 UTC (source: CVRF).

MS severity

Moderate

MS CVSS base score

5.5 / 10 (temporal 5.5)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Release

2026-Jun

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

MITRE references (3) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

• https://git.kernel.org/stable/c/e8e72fdf47bd5ef7abe642b034c6178a61a8580a
• https://git.kernel.org/stable/c/a9207798fe619cbc85c8744a9b9e2af1db2b6e1a
• https://git.kernel.org/stable/c/cd849c07b8d706425e60a4dfcef54b7b67c967ce

Web references (9)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• None Available msrc
• MSRC update guide: CVE-2026-46291 msrc
• https://nvd.nist.gov/vuln/detail/CVE-2026-46291 tenable:nvd.nist.gov
• https://git.kernel.org/stable/c/177730a273b18e195263ed953853273e901b5064 tenable:git.kernel.org
• https://www.cve.org/CVERecord?id=CVE-2026-46291 tenable:www.cve.org
• https://git.kernel.org/stable/c/2adbfca7452eeac45117b8e803288a2767f7075f tenable:git.kernel.org
• https://git.kernel.org/stable/c/5cffe3c136891aa4d579bf5c079a68f7cb371b0c tenable:git.kernel.org
• https://git.kernel.org/stable/c/b8f12d9b00c1950779e5679b9c13908584682bb6 tenable:git.kernel.org
• https://git.kernel.org/stable/c/c7e52fe3f7901ccb9cd29b3f7c683d809ba87e48 tenable:git.kernel.org

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

• Mitigate RedSun Zero-Day Without A Patch | Qualys
  web:blog.qualys.com

  Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...

  2026-06-19 02:38 UTC
• April 2026 Critical Patch Update Released | security - Oracle Blogs
  web:blogs.oracle.com

  For more information about the Critical Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.

  2026-06-19 02:38 UTC
• Security Update Guide - Microsoft Security Response Center
  web:msrc.microsoft.com

  Security Update Guide - Microsoft Security Response Center

  2026-06-19 02:38 UTC
• Nvd - Cve-2025-46291
  web:nvd.nist.gov

  NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

  2026-06-19 02:38 UTC
• Oracle CPU April 2026: Delayed RUs & First Analysis
  web:oradba.ch

  On April 21, 2026 , Oracle released the Critical Patch Update (CPU) for April 2026 — 481 new security fixes across the entire Oracle product stack. For Oracle Database, this means another round of mandatory patching. What makes this quarter unusual: several key Release Updates, including 19.31 and 23.26.2, were not available on release day and are delayed by up to a week or more.

  2026-06-19 02:38 UTC
• Security Update Guide - Loading - Microsoft
  web:portal.msrc.microsoft.com

  The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

  2026-06-19 02:38 UTC
• Microsoft is working on a patch for 'YellowKey ... - Computerworld
  web:www.computerworld.com

  Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...

  2026-06-19 02:38 UTC
• Oracle Critical Patch Update Advisory - April 2026
  web:www.oracle.com

  This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

  2026-06-19 02:38 UTC
• Patch Tuesday - June 2026 - Rapid7
  web:www.rapid7.com

  Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.

  2026-06-19 02:38 UTC
• Patch Tuesday June 2026: Security Updates & CVE Analysis
  web:zecurit.com

  Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

  2026-06-19 02:38 UTC

Only Available for Registered Users. Sign in to view.