fkie_nvd - fkie_cve-2022-49811

FKIE_CVE-2022-49811

Vulnerability from fkie_nvd - Published: 2025-05-01 15:16 - Updated: 2025-11-07 19:03

Severity ?

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

Summary

In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrbd: use after free in drbd_create_device()\n\nThe drbd_destroy_connection() frees the \"connection\" so use the _safe()\niterator to prevent a use after free."
    },
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    }
  ],
  "id": "CVE-2022-49811",
  "lastModified": "2025-11-07T19:03:32.850",
  "metrics": {
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          "attackVector": "LOCAL",
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          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
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        "impactScore": 5.9,
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          "value": "CWE-416"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}

CVE-2022-49811 (GCVE-0-2022-49811)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2025-05-04 08:45

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/fc1897f16ebcfd223…
	https://git.kernel.org/stable/c/bf47ca1b35fc1f550…
	https://git.kernel.org/stable/c/813a8dd9c45fd46f5…
	https://git.kernel.org/stable/c/9ed51414aef6e59e8…
	https://git.kernel.org/stable/c/7d93417d596402ddd…
	https://git.kernel.org/stable/c/c2a00b149836d60c2…
	https://git.kernel.org/stable/c/a7a1598189228b500…

Impacted products

Vendor

Product

Version

Linux

Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < fc1897f16ebcfd22364f2afcc27f53a740f3bc7a (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 9ed51414aef6e59e832e2960f10766dce2d5b1a1 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < 7d93417d596402ddd46bd76c721f205d09d0d025 (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < c2a00b149836d60c222930bbea6b2139caf34d4f (git)
Affected: b6f85ef9538b2111a8ba0bbfae9aaebabfc94961 , < a7a1598189228b5007369a9622ccdf587be0730f (git)

Linux

Affected: 3.15
Unaffected: 0 , < 3.15 (semver)
Unaffected: 4.14.300 , ≤ 4.14.* (semver)
Unaffected: 4.19.267 , ≤ 4.19.* (semver)
Unaffected: 5.4.225 , ≤ 5.4.* (semver)
Unaffected: 5.10.156 , ≤ 5.10.* (semver)
Unaffected: 5.15.80 , ≤ 5.15.* (semver)
Unaffected: 6.0.10 , ≤ 6.0.* (semver)
Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/block/drbd/drbd_main.c"
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      "providerMetadata": {
        "dateUpdated": "2025-05-04T08:45:51.308Z",
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    "dateUpdated": "2025-05-04T08:45:51.308Z",
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}

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-2022-49811

CVE-2022-49811 (GCVE-0-2022-49811)

Tags

Sightings

Nomenclature