Vulnerability-Lookup

FKIE_CVE-2026-46075

Vulnerability from fkie_nvd - Published: 2026-05-27 14:17 - Updated: 2026-05-27 14:48

Severity

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path Unregister the hwrng to prevent new ->read() calls and flush the Atmel I2C workqueue before teardown to prevent a potential UAF if a queued callback runs while the device is being removed. Drop the early return to ensure sysfs entries are removed and ->hwrng.priv is freed, preventing a memory leak.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new -\u003eread() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n-\u003ehwrng.priv is freed, preventing a memory leak."
    }
  ],
  "id": "CVE-2026-46075",
  "lastModified": "2026-05-27T14:48:03.013",
  "metrics": {},
  "published": "2026-05-27T14:17:28.823",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2026-46075 (GCVE-0-2026-46075)

Vulnerability from cvelistv5 – Published: 2026-05-27 12:58 – Updated: 2026-05-27 12:58

Title

crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path

Summary

Severity

No CVSS data available.

Assigner

Linux

References

5 references

URL	Tags
https://git.kernel.org/stable/c/c5a45d14234bf26e2…
https://git.kernel.org/stable/c/775c00d87c385b758…
https://git.kernel.org/stable/c/1193c12126d39bf98…
https://git.kernel.org/stable/c/31901371ccd16b42d…
https://git.kernel.org/stable/c/bab1adf3b87e4bfac…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < c5a45d14234bf26e28a89e3a5dcc08336595cf11 (git) Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 775c00d87c385b758da9504cf053acea00e2ed40 (git) Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 1193c12126d39bf986a5a9214827b73707b193ab (git) Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 31901371ccd16b42d2f167b1018ba9ae8bd5a6c7 (git) Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < bab1adf3b87e4bfac92c4f5963c63db434d561c1 (git)
Linux	Linux	Affected: 5.3 Unaffected: 0 , < 5.3 (semver) Unaffected: 6.6.140 , ≤ 6.6.* (semver) Unaffected: 6.12.86 , ≤ 6.12.* (semver) Unaffected: 6.18.27 , ≤ 6.18.* (semver) Unaffected: 7.0.4 , ≤ 7.0.* (semver) Unaffected: 7.1-rc1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/atmel-sha204a.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "c5a45d14234bf26e28a89e3a5dcc08336595cf11",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "775c00d87c385b758da9504cf053acea00e2ed40",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "1193c12126d39bf986a5a9214827b73707b193ab",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "31901371ccd16b42d2f167b1018ba9ae8bd5a6c7",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "bab1adf3b87e4bfac92c4f5963c63db434d561c1",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/atmel-sha204a.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.3"
            },
            {
              "lessThan": "5.3",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.86",
              "versionType": "semver"
            },
            {
              "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": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.86",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.27",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.4",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1-rc1",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new -\u003eread() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n-\u003ehwrng.priv is freed, preventing a memory leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-27T12:58:07.080Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11"
        },
        {
          "url": "https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40"
        },
        {
          "url": "https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab"
        },
        {
          "url": "https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7"
        },
        {
          "url": "https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"
        }
      ],
      "title": "crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46075",
    "datePublished": "2026-05-27T12:58:07.080Z",
    "dateReserved": "2026-05-13T15:03:33.096Z",
    "dateUpdated": "2026-05-27T12:58:07.080Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

Action not permitted

FKIE_CVE-2026-46075

CVE-2026-46075 (GCVE-0-2026-46075)

Tags

Sightings

Nomenclature