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CVE-2013-0914 (GCVE-0-2013-0914)

Vulnerability from cvelistv5 – Published: 2013-03-22 10:00 – Updated: 2024-08-06 14:41
VLAI
Summary
The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://www.ubuntu.com/usn/USN-1796-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://github.com/torvalds/linux/commit/2ca39528… x_refsource_CONFIRM
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.ubuntu.com/usn/USN-1797-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1788-1 vendor-advisoryx_refsource_UBUNTU
http://rhn.redhat.com/errata/RHSA-2013-1051.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-1793-1 vendor-advisoryx_refsource_UBUNTU
https://bugzilla.redhat.com/show_bug.cgi?id=920499 x_refsource_CONFIRM
http://www.ubuntu.com/usn/USN-1792-1 vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-updates/2013-1… vendor-advisoryx_refsource_SUSE
http://www.ubuntu.com/usn/USN-1794-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1795-1 vendor-advisoryx_refsource_UBUNTU
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2013/03/11/8 mailing-listx_refsource_MLIST
http://www.ubuntu.com/usn/USN-1787-1 vendor-advisoryx_refsource_UBUNTU
http://www.ubuntu.com/usn/USN-1798-1 vendor-advisoryx_refsource_UBUNTU
http://www.kernel.org/pub/linux/kernel/v3.x/Chang… x_refsource_CONFIRM
Date Public
2013-03-11 00:00
Show details on NVD website
To clipboard 

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        {
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=920499"
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        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "url": "https://github.com/torvalds/linux/commit/2ca39528c01a933f6689cd6505ce65bd6d68a530"
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      ],
      "sourceIdentifier": "chrome-cve-admin@google.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-264"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7A40E2A8-BBC3-4763-B150-9193F30E9DF0",
                    "versionEndIncluding": "3.8.3",
                    "vulnerable": true
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                "negate": false,
                "operator": "OR"
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        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n flush_signal_handlers en kernel/signal.c en el n\u00facleo de Linux anterior a v3.8.4 conserva el valor del campo sa_restorer a trav\u00e9s de una operaci\u00f3n exec, que hace m\u00e1s f\u00e1cil a los usuarios de la zona para evitar el mecanismo de protecci\u00f3n ASLR a trav\u00e9s de una aplicaci\u00f3n dise\u00f1ado que contenga un sigaction system call llamar."
          }
        ],
        "id": "CVE-2013-0914",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "LOW",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 3.6,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "PARTIAL",
                "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 4.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2013-03-22T11:59:11.507",
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            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2ca39528c01a933f6689cd6505ce65bd6d68a530"
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        "sourceIdentifier": "chrome-cve-admin@google.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
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              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T12:43:53+00:00",
      "cve": "CVE-2013-0914",
      "id": "CVE-2013-0914",
      "initial_release_date": "2013-03-11T00:00:00+00:00",
      "product_status:fixed": "533",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Kernel: sa_restorer information leak",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2013/cve-2013-0914.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-09-02T09:15:46Z",
      "cve": "CVE-2013-0914",
      "id": "CVE-2013-0914",
      "initial_release_date": "2023-02-15T05:41:16Z",
      "product_status:known_not_affected": "541",
      "product_status:recommended": "128",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2013-0914",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2013-0914.json",
      "version": "18"
    }
  }
}



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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.


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.