CVE-2026-53045 (GCVE-0-2026-53045)

Vulnerability from cvelistv5 – Published: 2026-06-24 16:29 – Updated: 2026-08-05 12:32
VLAI
Title
memory: tegra124-emc: Fix dll_change check
Summary
In the Linux kernel, the following vulnerability has been resolved: memory: tegra124-emc: Fix dll_change check The code checking whether the specified memory timing enables DLL in the EMRS register was reversed. DLL is enabled if bit A0 is low. Fix the check.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < a85967331144fde9300be38bb44d2558eb6b742e (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < db0ae80865b515cc0b705c85877ec00f7eebe9fe (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 2369b1831161356e1bcb51385d3e532dc4fe2771 (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 7e19e72f306484996c52ff96cc92f69b78ed5435 (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 05f138fc7e27ee8e7a83ccf966c3fa26cda44dda (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 1793249c067a4b28e1aba0ad0e4d73aa9f9e165a (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 1ebbbef47d11cc90219c081492ccf995aaa3e9b3 (git)
Affected: 73a7f0a90641b09300d47308682b674c570dd6a2 , < 9597ab9a8296ab337e6820f8a717ff621078b632 (git)
Create a notification for this product.
Linux Linux Affected: 4.2
Unaffected: 0 , < 4.2 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.141 , ≤ 6.6.* (semver)
Unaffected: 6.12.91 , ≤ 6.12.* (semver)
Unaffected: 6.18.33 , ≤ 6.18.* (semver)
Unaffected: 7.0.10 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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{
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        }
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              "value": "AV:N - On networked Tegra124 devices, unauthenticated remote traffic can induce memory/CPU load that drives ACTMON/devfreq EMC rate transitions into the vulnerable timing-change path.\nAC:L - Once running on an affected Tegra124 DDR3 configuration with timings that cross the DLL enable boundary, the attacker only needs to induce rate changes; there is no race or hard-to-control memory layout requirement.\nPR:N - The remote-load ACTMON/devfreq path has no authentication or privilege check before the vulnerable EMC clock transition is reached.\nUI:N - No victim action is required; rate changes are performed automatically by kernel power-management code in response to load.\nS:U - The impact remains within the same kernel-controlled system and does not cross a hypervisor, IOMMU, or separate security-authority boundary.\nC:H - The reversed DLL transition handling can misprogram DDR3 timing/state during EMC clock changes, creating system-wide DRAM corruption that may expose arbitrary kernel or process memory.\nI:H - Incorrect DRAM DLL sequencing can corrupt arbitrary memory contents, including kernel data or page tables, making high integrity impact defensible.\nA:H - Bad memory-controller timing during live DRAM operation can hang, panic, or otherwise crash the system."
            }
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "cveId": "CVE-2026-53045",
    "datePublished": "2026-06-24T16:29:51.795Z",
    "dateReserved": "2026-06-09T07:44:35.381Z",
    "dateUpdated": "2026-08-05T12:32:52.914Z",
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T07:44:12+00:00",
      "cve": "CVE-2026-53045",
      "id": "CVE-2026-53045",
      "initial_release_date": "2026-06-24T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: memory: tegra124-emc: Fix dll_change check",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53045.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-08-05T00:36:27Z",
      "cve": "CVE-2026-53045",
      "id": "CVE-2026-53045",
      "initial_release_date": "2026-06-27T01:54:35Z",
      "product_status:known_affected": "599",
      "product_status:known_not_affected": "35",
      "product_status:recommended": "98",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-53045",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-53045.json",
      "version": "5"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.