FKIE_CVE-2010-2942

Vulnerability from fkie_nvd - Published: 2010-09-21 18:00 - Updated: 2026-06-16 23:21
Summary
The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain structure members when performing dump operations, which allows local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c, (2) the tcf_mirred_dump function in net/sched/act_mirred.c, (3) the tcf_nat_dump function in net/sched/act_nat.c, (4) the tcf_simp_dump function in net/sched/act_simple.c, and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c.
References
secalert@redhat.comhttp://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=1c40be12f7d8ca1d387510d39787b12e512a7ce8
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing List, Third Party Advisory
secalert@redhat.comhttp://patchwork.ozlabs.org/patch/61857/Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttp://secunia.com/advisories/41512Broken Link
secalert@redhat.comhttp://secunia.com/advisories/46397Broken Link
secalert@redhat.comhttp://support.avaya.com/css/P8/documents/100113326Third Party Advisory
secalert@redhat.comhttp://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc2Broken Link
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2010/08/18/1Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2010/08/19/4Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0723.htmlBroken Link
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0771.htmlBroken Link
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2010-0779.htmlBroken Link
secalert@redhat.comhttp://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party Advisory, VDB Entry
secalert@redhat.comhttp://www.securityfocus.com/bid/42529Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-1000-1Third Party Advisory
secalert@redhat.comhttp://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
secalert@redhat.comhttp://www.vupen.com/english/advisories/2010/2430Broken Link
secalert@redhat.comhttp://www.vupen.com/english/advisories/2011/0298Broken Link
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=624903Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=1c40be12f7d8ca1d387510d39787b12e512a7ce8
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00005.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://patchwork.ozlabs.org/patch/61857/Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/41512Broken Link
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46397Broken Link
af854a3a-2127-422b-91ae-364da2661108http://support.avaya.com/css/P8/documents/100113326Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc2Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2010/08/18/1Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2010/08/19/4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0723.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0771.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2010-0779.htmlBroken Link
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/42529Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1000-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2010/2430Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2011/0298Broken Link
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=624903Issue Tracking, Patch, Third Party Advisory

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The actions implementation in the network queueing functionality in the Linux kernel before 2.6.36-rc2 does not properly initialize certain structure members when performing dump operations, which allows local users to obtain potentially sensitive information from kernel memory via vectors related to (1) the tcf_gact_dump function in net/sched/act_gact.c, (2) the tcf_mirred_dump function in net/sched/act_mirred.c, (3) the tcf_nat_dump function in net/sched/act_nat.c, (4) the tcf_simp_dump function in net/sched/act_simple.c, and (5) the tcf_skbedit_dump function in net/sched/act_skbedit.c."
    },
    {
      "lang": "es",
      "value": "La implementaci\u00f3n de acciones en la funcionalidad de encolado de red en el kernel Linx anterior a v2.6.36-rc2 no inicializa apropiadamente ciertos miembros de estructura cuando se realizan acciones de volcado, lo que permite a usuarios locales obtener informaci\u00f3n potencialmente sensible de la memoria del kernel a trav\u00e9s de vectores relacionados con (1) la funcion tcf_gact_dump en net/sched/act_gact.c, (2) la funcion tcf_mirred_dump en net/sched/act_mirred.c, (3) la funcion tcf_nat_dump en net/sched/act_nat.c, (4) la funcion tcf_simp_dump en net/sched/act_simple.c, y (5) la funcion tcf_skbedit_dump en net/sched/act_skbedit.c."
    }
  ],
  "id": "CVE-2010-2942",
  "lastModified": "2026-06-16T23:21:48.077",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2010-09-21T18:00:02.127",
  "references": [
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-401"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Events included in the timeline

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    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.