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CVE-2019-13233 (GCVE-0-2019-13233)

Vulnerability from cvelistv5 – Published: 2019-07-04 12:27 – Updated: 2024-08-04 23:49
VLAI
Summary
In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.
Severity
7.0 (High)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Show details on NVD website
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    "nvd": "{\"cve\":{\"id\":\"CVE-2019-13233\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-07-04T13:15:11.000\",\"lastModified\":\"2024-11-21T04:24:30.130\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.\"},{\"lang\":\"es\",\"value\":\"En arch/x86/lib/insn-eval.c en el kernel de Linux en versiones anteriores a la 5.1.9, hay un uso de memoria previamente liberada para acceder a una  entrada LDT debido a una condici\u00f3n de carrera entre modify_ldt () y una excepci\u00f3n #BR para una violaci\u00f3n de los l\u00edmites de MPX.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.0,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.0,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:P/I:P/A:P\",\"baseScore\":4.4,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-362\"},{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.1.9\",\"matchCriteriaId\":\"E567EFE6-8F22-4645-838E-9B381F951463\"}]}]}],\"references\":[{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3309\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3517\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://bugs.chromium.org/p/project-zero/issues/detail?id=1879\",\"source\":\"cve@mitre.org\",\"tags\":[\"Exploit\",\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://seclists.org/bugtraq/2019/Aug/13\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20190806-0001/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://support.f5.com/csp/article/K13331647?utm_source=f5support\u0026amp%3Butm_medium=RSS\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4093-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4094-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4117-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://usn.ubuntu.com/4118-1/\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.debian.org/security/2019/dsa-4495\",\"source\":\"cve@mitre.org\"},{\"url\":\"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3309\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2019:3517\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugs.chromium.org/p/project-zero/issues/detail?id=1879\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Mailing List\",\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://seclists.org/bugtraq/2019/Aug/13\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20190806-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://support.f5.com/csp/article/K13331647?utm_source=f5support\u0026amp%3Butm_medium=RSS\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4093-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4094-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4117-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/4118-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.debian.org/security/2019/dsa-4495\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T12:01:02+00:00",
      "cve": "CVE-2019-13233",
      "id": "CVE-2019-13233",
      "initial_release_date": "2019-07-04T00:00:00+00:00",
      "product_status:fixed": "592",
      "product_status:known_affected": "12",
      "product_status:known_not_affected": "37",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: use-after-free in arch/x86/lib/insn-eval.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-13233.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-13T00:08:59Z",
      "cve": "CVE-2019-13233",
      "id": "CVE-2019-13233",
      "initial_release_date": "2023-02-15T04:10:58Z",
      "product_status:known_not_affected": "357",
      "product_status:recommended": "456",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2019-13233",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2019-13233.json",
      "version": "21"
    }
  }
}



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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.