CVE-2022-50837 (GCVE-0-2022-50837)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:10 – Updated: 2026-05-11 19:26
VLAI
Title
net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path If dsa_tag_8021q_setup() fails, for example due to the inability of the device to install a VLAN, the tag_8021q context of the switch will leak. Make sure it is freed on the error path.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 328621f6131f667c5c328bb72d45442fd76efb81 , < 09f30f394e832ed09859b6a80fdd20668a9104ff (git)
Affected: 328621f6131f667c5c328bb72d45442fd76efb81 , < 39691d51af99f80efb9e365f94b8e0c791fa1a2f (git)
Affected: 328621f6131f667c5c328bb72d45442fd76efb81 , < 14ed46a13aba42a6ddd85de6f6274090df3586a5 (git)
Affected: 328621f6131f667c5c328bb72d45442fd76efb81 , < e095493091e850d5292ad01d8fbf5cde1d89ac53 (git)
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Linux Linux Affected: 5.15
Unaffected: 0 , < 5.15 (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)
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              "negate": false,
              "operator": "OR"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path\n\nIf dsa_tag_8021q_setup() fails, for example due to the inability of the\ndevice to install a VLAN, the tag_8021q context of the switch will leak.\nMake sure it is freed on the error path."
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    "dateReserved": "2025-12-30T12:06:07.133Z",
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      "cve": "CVE-2022-50837",
      "id": "CVE-2022-50837",
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      "title": "kernel: net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path",
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      "cve": "CVE-2022-50837",
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      "title": "SUSE CVE CVE-2022-50837",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-50837.json",
      "version": "11"
    }
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}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.