github - ghsa-vc2j-428r-9px5

GHSA-VC2J-428R-9PX5

Vulnerability from github – Published: 2025-05-01 15:31 – Updated: 2025-11-07 00:30

Details

In the Linux kernel, the following vulnerability has been resolved:

ceph: avoid putting the realm twice when decoding snaps fails

When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49770"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:15:59Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: avoid putting the realm twice when decoding snaps fails\n\nWhen decoding the snaps fails it maybe leaving the \u0027first_realm\u0027\nand \u0027realm\u0027 pointing to the same snaprealm memory. And then it\u0027ll\nput it twice and could cause random use-after-free, BUG_ON, etc\nissues.",
  "id": "GHSA-vc2j-428r-9px5",
  "modified": "2025-11-07T00:30:27Z",
  "published": "2025-05-01T15:31:46Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49770"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2022-49770 (GCVE-0-2022-49770)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2025-10-02 07:04

Summary

In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'll put it twice and could cause random use-after-free, BUG_ON, etc issues.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/274e4c79a3a2a24fb…
	https://git.kernel.org/stable/c/cb7495fe957526555…
	https://git.kernel.org/stable/c/044bc6d3c2c0e9090…
	https://git.kernel.org/stable/c/2f6e2de3a52890046…
	https://git.kernel.org/stable/c/fd879c83e87735ab8…
	https://git.kernel.org/stable/c/51884d153f7ec85e1…

Impacted products

Vendor

Product

Version

Linux

Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < 274e4c79a3a2a24fba7cfe0e41113f1138785c37 (git)
Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < cb7495fe957526555782ce0723f79ce92a6db22e (git)
Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < 044bc6d3c2c0e9090b0841e7b723875756534b45 (git)
Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < 2f6e2de3a5289004650118b61f138fe7c28e1905 (git)
Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < fd879c83e87735ab8f00ef7755752cf0cbae24b2 (git)
Affected: 9030aaf9bf0a1eee47a154c316c789e959638b0f , < 51884d153f7ec85e18d607b2467820a90e0f4359 (git)

Linux

Affected: 2.6.34
Unaffected: 0 , < 2.6.34 (semver)
Unaffected: 4.19.268 , ≤ 4.19.* (semver)
Unaffected: 5.4.226 , ≤ 5.4.* (semver)
Unaffected: 5.10.157 , ≤ 5.10.* (semver)
Unaffected: 5.15.81 , ≤ 5.15.* (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/snap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "274e4c79a3a2a24fba7cfe0e41113f1138785c37",
              "status": "affected",
              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            },
            {
              "lessThan": "cb7495fe957526555782ce0723f79ce92a6db22e",
              "status": "affected",
              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            },
            {
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              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            },
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              "status": "affected",
              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            },
            {
              "lessThan": "fd879c83e87735ab8f00ef7755752cf0cbae24b2",
              "status": "affected",
              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            },
            {
              "lessThan": "51884d153f7ec85e18d607b2467820a90e0f4359",
              "status": "affected",
              "version": "9030aaf9bf0a1eee47a154c316c789e959638b0f",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/ceph/snap.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.34"
            },
            {
              "lessThan": "2.6.34",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.268",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.226",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.157",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.81",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.268",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                },
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                  "versionEndExcluding": "5.15.81",
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                  "vulnerable": true
                },
                {
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                  "vulnerable": true
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                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "2.6.34",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nceph: avoid putting the realm twice when decoding snaps fails\n\nWhen decoding the snaps fails it maybe leaving the \u0027first_realm\u0027\nand \u0027realm\u0027 pointing to the same snaprealm memory. And then it\u0027ll\nput it twice and could cause random use-after-free, BUG_ON, etc\nissues."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-10-02T07:04:13.532Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/274e4c79a3a2a24fba7cfe0e41113f1138785c37"
        },
        {
          "url": "https://git.kernel.org/stable/c/cb7495fe957526555782ce0723f79ce92a6db22e"
        },
        {
          "url": "https://git.kernel.org/stable/c/044bc6d3c2c0e9090b0841e7b723875756534b45"
        },
        {
          "url": "https://git.kernel.org/stable/c/2f6e2de3a5289004650118b61f138fe7c28e1905"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd879c83e87735ab8f00ef7755752cf0cbae24b2"
        },
        {
          "url": "https://git.kernel.org/stable/c/51884d153f7ec85e18d607b2467820a90e0f4359"
        }
      ],
      "title": "ceph: avoid putting the realm twice when decoding snaps fails",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49770",
    "datePublished": "2025-05-01T14:09:08.173Z",
    "dateReserved": "2025-04-16T07:17:33.805Z",
    "dateUpdated": "2025-10-02T07:04:13.532Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

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

GHSA-VC2J-428R-9PX5

CVE-2022-49770 (GCVE-0-2022-49770)

Tags

Sightings

Nomenclature