CVE-2022-48641 (GCVE-0-2022-48641)

Vulnerability from cvelistv5 – Published: 2024-04-28 12:59 – Updated: 2026-05-11 18:44
VLAI
Title
netfilter: ebtables: fix memory leak when blob is malformed
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix memory leak when blob is malformed The bug fix was incomplete, it "replaced" crash with a memory leak. The old code had an assignment to "ret" embedded into the conditional, restore this.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: afd01382594d643e1adeb16826423b418cdf8b8b , < 754e8b74281dd54a324698803483f47cf3355ae1 (git)
Affected: 358765beb836f5fc2ed26b5df4140d5d3548ac11 , < 1e98318af2f163eadaff815abcef38d27ca92c1e (git)
Affected: 160c4eb47db03b96c0c425358e7595ebefe8094d , < 11ebf32fde46572b0aaf3c2bdd97d923ef5a03ab (git)
Affected: 624c30521233e110cf50ba01980a591e045036ae , < ebd97dbe3c55d68346b9c5fb00634a7f5b10bbee (git)
Affected: 1b2c5428f773d60c116c7b1e390432e0cfb63cd6 , < d5917b7af7cae0e2804f9d127a03268035098b7f (git)
Affected: e53cfa017bf4575d0b948a8f45313ef66d897136 , < 38cf372b17f0a5f35c1b716a100532d539f0eb33 (git)
Affected: 7997eff82828304b780dc0a39707e1946d6f1ebf , < 62ce44c4fff947eebdf10bb582267e686e6835c9 (git)
Create a notification for this product.
Linux Linux Affected: 4.14.292 , < 4.14.295 (semver)
Affected: 4.19.257 , < 4.19.260 (semver)
Affected: 5.4.212 , < 5.4.215 (semver)
Affected: 5.10.140 , < 5.10.146 (semver)
Affected: 5.15.64 , < 5.15.71 (semver)
Affected: 5.19.6 , < 5.19.12 (semver)
Create a notification for this product.
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malformed\\n\\nThe bug fix was incomplete, it \\\"replaced\\\" crash with a memory leak.\\nThe old code had an assignment to \\\"ret\\\" embedded into the conditional,\\nrestore this.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.295\", \"versionStartIncluding\": \"4.14.292\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.260\", \"versionStartIncluding\": \"4.19.257\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.215\", \"versionStartIncluding\": \"5.4.212\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.146\", \"versionStartIncluding\": \"5.10.140\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.71\", \"versionStartIncluding\": \"5.15.64\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.19.12\", \"versionStartIncluding\": \"5.19.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T18:44:18.136Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2022-48641\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T18:44:18.136Z\", \"dateReserved\": \"2024-02-25T13:44:28.316Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-28T12:59:53.047Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.