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CVE-2023-26545 (GCVE-0-2023-26545)

Vulnerability from cvelistv5 – Published: 2023-02-25 00:00 – Updated: 2025-03-20 20:45
VLAI
Summary
In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/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 2025-03-06 15:57 UTC
CWE
Assigner
References
Show details on NVD website
To clipboard 

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      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mpls: double free on sysctl allocation failure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-26545.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-09-03T16:53:46Z",
      "cve": "CVE-2023-26545",
      "id": "CVE-2023-26545",
      "initial_release_date": "2023-02-28T03:27:55Z",
      "product_status:known_affected": "285",
      "product_status:known_not_affected": "8",
      "product_status:recommended": "1509",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-26545",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-26545.json",
      "version": "67"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://github.com/torvalds/linux/commit/fda6c89fe3d9aca073495a664e1d5aea28cd4377\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fda6c89fe3d9aca073495a664e1d5aea28cd4377\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230316-0009/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\", \"name\": \"[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\", \"name\": \"[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T11:53:53.581Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-26545\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-06T15:57:11.643164Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-415\", \"description\": \"CWE-415 Double Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-06T15:57:13.067Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://github.com/torvalds/linux/commit/fda6c89fe3d9aca073495a664e1d5aea28cd4377\"}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fda6c89fe3d9aca073495a664e1d5aea28cd4377\"}, {\"url\": \"https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.13\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230316-0009/\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html\", \"name\": \"[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html\", \"name\": \"[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security update\", \"tags\": [\"mailing-list\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a new location) during the renaming of a device.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2023-05-03T13:06:27.227Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-26545\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-20T20:45:02.001Z\", \"dateReserved\": \"2023-02-25T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2023-02-25T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.