Vulnerability-Lookup

FKIE_CVE-2021-46960

Vulnerability from fkie_nvd - Published: 2024-02-27 19:04 - Updated: 2026-08-04 10:16

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: Return correct error code from smb2_get_enc_key Avoid a warning if the error percolates back up: [440700.376476] CIFS VFS: \\otters.example.com crypt_message: Could not get encryption key [440700.386947] ------------[ cut here ]------------ [440700.386948] err = 1 [440700.386977] WARNING: CPU: 11 PID: 2733 at /build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70 ... [440700.397304] CPU: 11 PID: 2733 Comm: tar Tainted: G OE 5.4.0-70-generic #78~18.04.1-Ubuntu ... [440700.397334] Call Trace: [440700.397346] __filemap_set_wb_err+0x1a/0x70 [440700.397419] cifs_writepages+0x9c7/0xb30 [cifs] [440700.397426] do_writepages+0x4b/0xe0 [440700.397444] __filemap_fdatawrite_range+0xcb/0x100 [440700.397455] filemap_write_and_wait+0x42/0xa0 [440700.397486] cifs_setattr+0x68b/0xf30 [cifs] [440700.397493] notify_change+0x358/0x4a0 [440700.397500] utimes_common+0xe9/0x1c0 [440700.397510] do_utimes+0xc5/0x150 [440700.397520] __x64_sys_utimensat+0x88/0xd0

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/smb2ops.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e94851629c49c65b4fbb29a5725ddfd7988f8f20",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "e486f8397f3f14a7cadc166138141fdb14379a54",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "93f3339b22ba17e66f0808737467b70ba087eaec",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "aaa0faa5c28a91c362352d6b35dc3ed10df56fb0",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "f59a9242942fef0de7b926e438ba4eae65d4b4dd",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "b399c1a3ea0b9d10047ff266d65533df7f15532f",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            },
            {
              "lessThan": "83728cbf366e334301091d5b808add468ab46b27",
              "status": "affected",
              "version": "61cfac6f267dabcf2740a7ec8a0295833b28b5f5",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/cifs/smb2ops.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.11"
            },
            {
              "lessThan": "4.11",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.14.*",
              "status": "unaffected",
              "version": "4.14.233",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.191",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.118",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.11.*",
              "status": "unaffected",
              "version": "5.11.20",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.12.*",
              "status": "unaffected",
              "version": "5.12.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "5.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CEB4F43-643B-4BF2-BC3B-FB797EC75463",
              "versionEndExcluding": "4.14.233",
              "versionStartIncluding": "4.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5B6E6817-19A8-4C0A-8807-71DA48CF9191",
              "versionEndExcluding": "4.19.191",
              "versionStartIncluding": "4.15",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C83F5505-AF9D-4F2A-8D37-A8EB73ED772D",
              "versionEndExcluding": "5.4.118",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "003E22D0-CA29-4338-8B35-0754C740074F",
              "versionEndExcluding": "5.10.36",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EEC03413-9760-46D4-AC1D-EB084A1D4111",
              "versionEndExcluding": "5.11.20",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F9D6B2DE-7E4A-4B3B-9AEE-3A2C5F23DA32",
              "versionEndExcluding": "5.12.3",
              "versionStartIncluding": "5.12",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Return correct error code from smb2_get_enc_key\n\nAvoid a warning if the error percolates back up:\n\n[440700.376476] CIFS VFS: \\\\otters.example.com crypt_message: Could not get encryption key\n[440700.386947] ------------[ cut here ]------------\n[440700.386948] err = 1\n[440700.386977] WARNING: CPU: 11 PID: 2733 at /build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70\n...\n[440700.397304] CPU: 11 PID: 2733 Comm: tar Tainted: G           OE     5.4.0-70-generic #78~18.04.1-Ubuntu\n...\n[440700.397334] Call Trace:\n[440700.397346]  __filemap_set_wb_err+0x1a/0x70\n[440700.397419]  cifs_writepages+0x9c7/0xb30 [cifs]\n[440700.397426]  do_writepages+0x4b/0xe0\n[440700.397444]  __filemap_fdatawrite_range+0xcb/0x100\n[440700.397455]  filemap_write_and_wait+0x42/0xa0\n[440700.397486]  cifs_setattr+0x68b/0xf30 [cifs]\n[440700.397493]  notify_change+0x358/0x4a0\n[440700.397500]  utimes_common+0xe9/0x1c0\n[440700.397510]  do_utimes+0xc5/0x150\n[440700.397520]  __x64_sys_utimensat+0x88/0xd0"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cifs: devuelve el c\u00f3digo de error correcto de smb2_get_enc_key Evite una advertencia si el error se repite: [440700.376476] CIFS VFS: \\\\otters.example.com crypt_message: no se pudo obtener la clave de cifrado [440700.386947] ------------[ cortar aqu\u00ed ]------------ [440700.386948] err = 1 [440700.386977] ADVERTENCIA: CPU: 11 PID: 2733 en / build/linux-hwe-5.4-p6lk6L/linux-hwe-5.4-5.4.0/lib/errseq.c:74 errseq_set+0x5c/0x70 ... [440700.397304] CPU: 11 PID: 2733 Comm: tar Contaminado: G OE 5.4.0-70-generic #78~18.04.1-Ubuntu... [440700.397334] Seguimiento de llamadas: [440700.397346] __filemap_set_wb_err+0x1a/0x70 [440700.397419] cifs_writepages+0x9c7/0xb30 [cifs ] [440700.397426] do_writepages+0x4b /0xe0 [440700.397444] __filemap_fdatawrite_range+0xcb/0x100 [440700.397455] filemap_write_and_wait+0x42/0xa0 [440700.397486] cifs_setattr+0x68b/0xf30 [cifs] [440700.39749 3] notify_change+0x358/0x4a0 [440700.397500] utimes_common+0xe9/0x1c0 [440700.397510] do_utimes+ 0xc5/0x150 [440700.397520] __x64_sys_utimensat+0x88/0xd0"
    }
  ],
  "id": "CVE-2021-46960",
  "lastModified": "2026-08-04T10:16:38.417",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-46960",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:01:38.257820Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-27T19:04:06.860",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
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      "tags": [
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      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/83728cbf366e334301091d5b808add468ab46b27"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/93f3339b22ba17e66f0808737467b70ba087eaec"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/aaa0faa5c28a91c362352d6b35dc3ed10df56fb0"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/b399c1a3ea0b9d10047ff266d65533df7f15532f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e486f8397f3f14a7cadc166138141fdb14379a54"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e94851629c49c65b4fbb29a5725ddfd7988f8f20"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/f59a9242942fef0de7b926e438ba4eae65d4b4dd"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2021-46960 (GCVE-0-2021-46960)

Vulnerability from cvelistv5 – Published: 2024-02-27 18:46 – Updated: 2026-08-05 08:45

Title

cifs: Return correct error code from smb2_get_enc_key

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:01 UTC

Assigner

Linux mitre root

References

7 references

URL	Tags
https://git.kernel.org/stable/c/e94851629c49c65b4…
https://git.kernel.org/stable/c/e486f8397f3f14a7c…
https://git.kernel.org/stable/c/93f3339b22ba17e66…
https://git.kernel.org/stable/c/aaa0faa5c28a91c36…
https://git.kernel.org/stable/c/f59a9242942fef0de…
https://git.kernel.org/stable/c/b399c1a3ea0b9d100…
https://git.kernel.org/stable/c/83728cbf366e33430…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < e94851629c49c65b4fbb29a5725ddfd7988f8f20 (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < e486f8397f3f14a7cadc166138141fdb14379a54 (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < 93f3339b22ba17e66f0808737467b70ba087eaec (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < aaa0faa5c28a91c362352d6b35dc3ed10df56fb0 (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < f59a9242942fef0de7b926e438ba4eae65d4b4dd (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < b399c1a3ea0b9d10047ff266d65533df7f15532f (git) Affected: 61cfac6f267dabcf2740a7ec8a0295833b28b5f5 , < 83728cbf366e334301091d5b808add468ab46b27 (git)
Linux	Linux	Affected: 4.11 Unaffected: 0 , < 4.11 (semver) Unaffected: 4.14.233 , ≤ 4.14.* (semver) Unaffected: 4.19.191 , ≤ 4.19.* (semver) Unaffected: 5.4.118 , ≤ 5.4.* (semver) Unaffected: 5.10.36 , ≤ 5.10.* (semver) Unaffected: 5.11.20 , ≤ 5.11.* (semver) Unaffected: 5.12.3 , ≤ 5.12.* (semver) Unaffected: 5.13 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:17:42.896Z",
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                "options": [
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Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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FKIE_CVE-2021-46960

CVE-2021-46960 (GCVE-0-2021-46960)

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Sightings

Nomenclature

Related by attack behaviour