Vulnerability-Lookup

FKIE_CVE-2026-31391

Vulnerability from fkie_nvd - Published: 2026-04-03 16:16 - Updated: 2026-04-07 13:20

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix OOM ->tfm_count leak If memory allocation fails, decrement ->tfm_count to avoid blocking future reads.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1ab70c260cf16f931a728b2cb63fff5f38c814d8
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/6f502049a96b368ea6646c49d9520d6f69a101fa
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d240b079a37e90af03fd7dfec94930eb6c83936e
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fd262dc6d758232511127372eba866b7600739ba

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 OOM -\u003etfm_count leak\n\nIf memory allocation fails, decrement -\u003etfm_count to avoid blocking\nfuture reads."
    }
  ],
  "id": "CVE-2026-31391",
  "lastModified": "2026-04-07T13:20:55.200",
  "metrics": {},
  "published": "2026-04-03T16:16:37.123",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/1ab70c260cf16f931a728b2cb63fff5f38c814d8"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/6f502049a96b368ea6646c49d9520d6f69a101fa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d240b079a37e90af03fd7dfec94930eb6c83936e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/fd262dc6d758232511127372eba866b7600739ba"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}

CVE-2026-31391 (GCVE-0-2026-31391)

Vulnerability from cvelistv5 – Published: 2026-04-03 15:15 – Updated: 2026-04-03 15:15

Title

crypto: atmel-sha204a - Fix OOM ->tfm_count leak

Summary

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix OOM ->tfm_count leak If memory allocation fails, decrement ->tfm_count to avoid blocking future reads.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/66ee9c1c3575b5d6a…
	https://git.kernel.org/stable/c/2bfc83cee05f8b960…
	https://git.kernel.org/stable/c/1ab70c260cf16f931…
	https://git.kernel.org/stable/c/6f502049a96b368ea…
	https://git.kernel.org/stable/c/fd262dc6d75823251…
	https://git.kernel.org/stable/c/d240b079a37e90af0…

Impacted products

Vendor

Product

Version

Linux

Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9 (git)
Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1 (git)
Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 1ab70c260cf16f931a728b2cb63fff5f38c814d8 (git)
Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < 6f502049a96b368ea6646c49d9520d6f69a101fa (git)
Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < fd262dc6d758232511127372eba866b7600739ba (git)
Affected: da001fb651b00e1deeaf24767dd691ae8152a4f5 , < d240b079a37e90af03fd7dfec94930eb6c83936e (git)

Linux

Affected: 5.3
Unaffected: 0 , < 5.3 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.78 , ≤ 6.12.* (semver)
Unaffected: 6.18.20 , ≤ 6.18.* (semver)
Unaffected: 6.19.10 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc3 , ≤ * (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": "66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "1ab70c260cf16f931a728b2cb63fff5f38c814d8",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "6f502049a96b368ea6646c49d9520d6f69a101fa",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "fd262dc6d758232511127372eba866b7600739ba",
              "status": "affected",
              "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5",
              "versionType": "git"
            },
            {
              "lessThan": "d240b079a37e90af03fd7dfec94930eb6c83936e",
              "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": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.78",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.20",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.10",
                  "versionStartIncluding": "5.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0-rc3",
                  "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 OOM -\u003etfm_count leak\n\nIf memory allocation fails, decrement -\u003etfm_count to avoid blocking\nfuture reads."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-03T15:15:56.789Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9"
        },
        {
          "url": "https://git.kernel.org/stable/c/2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1"
        },
        {
          "url": "https://git.kernel.org/stable/c/1ab70c260cf16f931a728b2cb63fff5f38c814d8"
        },
        {
          "url": "https://git.kernel.org/stable/c/6f502049a96b368ea6646c49d9520d6f69a101fa"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd262dc6d758232511127372eba866b7600739ba"
        },
        {
          "url": "https://git.kernel.org/stable/c/d240b079a37e90af03fd7dfec94930eb6c83936e"
        }
      ],
      "title": "crypto: atmel-sha204a - Fix OOM -\u003etfm_count leak",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-31391",
    "datePublished": "2026-04-03T15:15:56.789Z",
    "dateReserved": "2026-03-09T15:48:24.085Z",
    "dateUpdated": "2026-04-03T15:15:56.789Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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-2026-31391

CVE-2026-31391 (GCVE-0-2026-31391)

Tags

Sightings

Nomenclature