CVE-2026-46077

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-tdes - fix DMA sync direction Before DMA output is consumed by the CPU, ->dma_addr_out must be synced with dma_sync_single_for_cpu() instead of dma_sync_single_for_device(). Using the wrong direction can return stale cache data on non-coherent platforms.

Overview

State: PUBLISHED
Assigner (CNA): Linux
CVSS severity: critical
CVSS score: 9.1 / 10
CVSS vector: AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Effective score: 9.1 / 10 CRITICAL source: CNA overview
MSRC score: 5.5 / 10 MEDIUM MS rating: Moderate
CWE(s): —
Reserved: 2026-05-13
Published: 2026-05-27 12:58 UTC
Last updated: 2026-06-01 16:18 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/46xxx/CVE-2026-46077.json
Linked Threat: CVE-2026-46077 — CVE-2026-46077

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: 2026-05-27 14:17:29 UTC
NVD last modified: 2026-06-24 17:20:35 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: 2.43% 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-2026-32459
Assigner: Linux
Published: May 27, 2026, 12:58:10 PM
Updated: Jun 14, 2026, 5:52:37 PM
EUVD base score: 0.0 / 10
EUVD-reported EPSS: 0.1200
Vendors: Linux
Products: Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <c8a9a647532f5c2a04180352693215e24e9dba03)

Linux (patch: 7.0.4)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <12a0adfe498cd5d87e6365d7ca5f6b3eed79e523)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <863d11b3927703ad95077c81a8a6489c5c7872f7)

Linux (patch: 6.6.140)

Linux (patch: 6.12.86)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <b5f5df801d161ba244f391519cbff2f4e5c6edc2)

Linux (patch: 5.10.258)

Linux (patch: 5.15.209)

Linux (patch: 6.1.175)

Linux (patch: 6.18.27)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <c0f3002c02a3a83250e25582ffbe8df7eb78a8bd)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <5281e6e2302362f6b75b70cbfe4098d2a25dafd9)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <ce3224678acb8c0b3473daa7d7dbffc998c6951a)

Linux (patch: 0)

Linux (3.6)

Linux (patch: 7.1)

Linux (13802005d8f2db244ec1f5d7f6923de8f7a463db <b9b28f3881dd514e74f98ae04e79a635022a4804)
Aliases: GHSA-7h5h-c58v-48cq

ENISA description: In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-tdes - fix DMA sync direction Before DMA output is consumed by the CPU, ->dma_addr_out must be synced with dma_sync_single_for_cpu() instead of dma_sync_single_for_device(). Using the wrong direction can return stale cache data on non-coherent platforms.

EUVD references (8)

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 2026-08-12 01:09 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-May

Microsoft remediations / KB articles (2)

CBL-Mariner Releases — Vendor Fix / Security Update (fixed build 6.6.141.1-1)
https://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade — None Available / CBL-Mariner Releases

Affected products (2)

Vendor	Product	Versions	Platforms
Linux	Linux	`13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected), `13802005d8f2db244ec1f5d7f6923de8f7a463db` (affected)	—
Linux	Linux	`3.6` (affected), `0` (unaffected), `5.10.258` (unaffected), `5.15.209` (unaffected), `6.1.175` (unaffected), `6.6.140` (unaffected), `6.12.86` (unaffected), `6.18.27` (unaffected), `7.0.4` (unaffected), `7.1-rc1` (unaffected)	—

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor references (8)

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

Web references (13)

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

MSRC update guide: CVE-2026-46077 msrc
None Available msrc
https://git.kernel.org/stable/c/863d11b3927703ad95077c81a8a6489c5c7872f7 tenable:git.kernel.org
https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2 tenable:git.kernel.org
https://git.kernel.org/stable/c/b9b28f3881dd514e74f98ae04e79a635022a4804 tenable:git.kernel.org
https://git.kernel.org/stable/c/c0f3002c02a3a83250e25582ffbe8df7eb78a8bd tenable:git.kernel.org
https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03 tenable:git.kernel.org
https://git.kernel.org/stable/c/ce3224678acb8c0b3473daa7d7dbffc998c6951a tenable:git.kernel.org
https://nvd.nist.gov/vuln/detail/CVE-2026-46077 tenable:nvd.nist.gov
https://www.cve.org/CVERecord?id=CVE-2026-46077 tenable:www.cve.org
https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523 tenable:git.kernel.org
https://www.first.org/epss/ tenable:www.first.org
https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9 tenable:git.kernel.org

NVD-tagged references (8)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/863d11b3927703ad95077c81a8a6489c5c7872f7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/b9b28f3881dd514e74f98ae04e79a635022a4804 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/c0f3002c02a3a83250e25582ffbe8df7eb78a8bd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch
https://git.kernel.org/stable/c/ce3224678acb8c0b3473daa7d7dbffc998c6951a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Patch

Remediations (18)

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

Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...

web:cybersecuritynews.com

Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

2026-06-04 00:11 UTC
Patch Tuesday, May 2026 Edition - Krebs on Security

web:krebsonsecurity.com

Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.

2026-06-04 00:11 UTC
Security Update Guide - 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.

2026-06-04 00:11 UTC
CVE-2026-42897 Exchange OWA Mitigation M2: What Admins Must Verify

web:windowsforum.com

The mitigation name administrators should verify for CVE - 2026 -42897 is M2. Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition are affected at any update level, while Exchange Online is not affected.

2026-06-04 00:11 UTC
Exchange Server 2016 And 2019 Hit By Critical OWA Vulnerability

web:windowsreport.com

Microsoft warned Exchange Server customers about critical OWA vulnerability CVE - 2026 -42897 affecting on-premises deployments.

2026-06-04 00:11 UTC
Microsoft May 2026 Patch Tuesday: Many fixes, but no zero-days

web:www.helpnetsecurity.com

Microsoft has marked May 2026 Patch Tuesday by releasing fixes for 120+ CVE -numbered vulnerabilities, none of which are actively exploited.

2026-06-04 00:11 UTC
Microsoft Reports Severe Zero-Day Flaw in On-Prem Exchange Servers

web:www.infosecurity-magazine.com

Microsoft acknowledged that both mitigation measures can cause issues, such as disabling or disrupting features (e.g. OWA Print Calendar, Inline images). The company is working on security patches for impacted Exchange servers.

2026-06-04 00:11 UTC
Oracle Critical Security Patch Update Advisory - May 2026

web:www.oracle.com

This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

2026-06-04 00:11 UTC
Patch Tuesday - May 2026 - Rapid7

web:www.rapid7.com

Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday, including critical RCE in Netlogon and the Windows DNS client.

2026-06-04 00:11 UTC
Vulnerability Remediation vs. Mitigation: What are the Differences ...

web:www.secure.com

Remediation fully removes a vulnerability by fixing its root cause — through a patch , code fix , or system replacement. Mitigation reduces the risk of exploitation without removing the flaw itself, using controls like network segmentation or access restrictions.

2026-06-04 00:11 UTC
Microsoft and Adobe Patch Tuesday, May 2026 Security Update Review

web:blog.qualys.com

May 2026's Patch Tuesday arrives with Microsoft addressing a fresh set of vulnerabilities across its ecosystem, reinforcing the ongoing need for timely patching in an increasingly threat-heavy…

2026-06-19 02:28 UTC
Security Update Guide - Microsoft Security Response Center

web:msrc.microsoft.com

Security Update Guide - Microsoft Security Response Center

2026-06-19 02:28 UTC
SAP Security Patch Day - February 2026

web:support.sap.com

SAP security Patch Day Bulletin

2026-06-19 02:28 UTC
Landing Page | ServiceNow Common Vulnerabilities & Exposures (CVE ...

web:support.servicenow.com

Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...

2026-06-19 02:28 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 02:28 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 02:28 UTC
Vulnerabilities Resolved in Veeam Backup & Replication 13.0.1.2067

web:www.veeam.com

When a vulnerability is identified, our team promptly develops a patch to address and mitigate the risk. In line with our dedication to transparency, we publicly disclose the vulnerability and provide detailed mitigation information.

2026-06-19 02:28 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 02:28 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-46077.json.

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/atmel-tdes.c"
          ],
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          "versions": [
            {
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              "version": "3.6"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
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            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
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              "versionType": "semver"
            },
            {
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            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.27",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1-rc1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
            {
              "cpeMatch": [
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                  "vulnerable": true
                },
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                },
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                },
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                },
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                },
                {
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                  "versionStartIncluding": "3.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-tdes - fix DMA sync direction\n\nBefore DMA output is consumed by the CPU, ->dma_addr_out must be synced\nwith dma_sync_single_for_cpu() instead of dma_sync_single_for_device().\nUsing the wrong direction can return stale cache data on non-coherent\nplatforms."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-01T16:18:01.471Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ce3224678acb8c0b3473daa7d7dbffc998c6951a"
        },
        {
          "url": "https://git.kernel.org/stable/c/b9b28f3881dd514e74f98ae04e79a635022a4804"
        },
        {
          "url": "https://git.kernel.org/stable/c/c0f3002c02a3a83250e25582ffbe8df7eb78a8bd"
        },
        {
          "url": "https://git.kernel.org/stable/c/5281e6e2302362f6b75b70cbfe4098d2a25dafd9"
        },
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          "url": "https://git.kernel.org/stable/c/12a0adfe498cd5d87e6365d7ca5f6b3eed79e523"
        },
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        },
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          "url": "https://git.kernel.org/stable/c/b5f5df801d161ba244f391519cbff2f4e5c6edc2"
        },
        {
          "url": "https://git.kernel.org/stable/c/c8a9a647532f5c2a04180352693215e24e9dba03"
        }
      ],
      "title": "crypto: atmel-tdes - fix DMA sync direction",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46077",
    "datePublished": "2026-05-27T12:58:10.542Z",
    "dateReserved": "2026-05-13T15:03:33.096Z",
    "dateUpdated": "2026-06-01T16:18:01.471Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}