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CVE-2008-2931 (GCVE-0-2008-2931)

Vulnerability from cvelistv5 – Published: 2008-07-09 18:00 – Updated: 2024-08-07 09:21
VLAI
Summary
The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
URL Tags
http://www.debian.org/security/2008/dsa-1630 vendor-advisoryx_refsource_DEBIAN
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
https://usn.ubuntu.com/637-1/ vendor-advisoryx_refsource_UBUNTU
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/31614 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/30982 third-party-advisoryx_refsource_SECUNIA
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2008/07/08/4 mailing-listx_refsource_MLIST
http://secunia.com/advisories/31551 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/bid/30126 vdb-entryx_refsource_BID
http://secunia.com/advisories/32023 third-party-advisoryx_refsource_SECUNIA
https://bugzilla.redhat.com/show_bug.cgi?id=454388 x_refsource_CONFIRM
http://secunia.com/advisories/32759 third-party-advisoryx_refsource_SECUNIA
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog… x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2008/07/08/3 mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
Date Public
2007-07-08 00:00
Show details on NVD website
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\"Third Party Advisory\"]}, {\"url\": \"https://exchange.xforce.ibmcloud.com/vulnerabilities/43696\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10437\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"https://usn.ubuntu.com/637-1/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
      "sourceIdentifier": "secalert@redhat.com",
      "vendorComments": "[{\"organization\": \"Red Hat\", \"comment\": \"This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG.\\n\\nIt was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2008-0885.html\", \"lastModified\": \"2009-01-15T00:00:00\"}]",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-269\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2008-2931\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2008-07-09T18:41:00.000\",\"lastModified\":\"2026-04-23T00:35:47.467\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The do_change_type function in fs/namespace.c in the Linux kernel before 2.6.22 does not verify that the caller has the CAP_SYS_ADMIN capability, which allows local users to gain privileges or cause a denial of service by modifying the properties of a mountpoint.\"},{\"lang\":\"es\",\"value\":\"La funci\u00f3n do_change_type en fs/namespace.c del n\u00facleo de Linux en versiones anteriores a 2.6.22 no verifica que la persona que llama tiene la capacidad CAP_SYS_ADMIN, lo cual permite a usuarios locales conseguir privilegios o provocar una denegaci\u00f3n de servicio mediante la modificaci\u00f3n de las propiedades de un punto de montaje.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-269\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"2.6.22\",\"matchCriteriaId\":\"D64B4509-982A-4F74-AEA3-9852D90B91CE\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0F92AB32-E7DE-43F4-B877-1F41FA162EC7\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:novell:suse_linux_enterprise_desktop:10.0:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B2599BBC-A2A4-453B-A8F2-1925D14F8DAA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:novell:suse_linux_enterprise_desktop:10.0:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"C255F321-4DC0-4A6E-A588-34A20CD68D94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B059A516-73F8-46F7-9804-7F555359D488\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"FF576341-1E89-4305-8C60-F6032D762848\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"10.3\",\"versionEndIncluding\":\"11.0\",\"matchCriteriaId\":\"9A8362BB-5717-4714-BD92-220DDB646D07\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"5C18C3CD-969B-4AA3-AE3A-BA4A188F8BFF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:7.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6EBDAFF8-DE44-4E80-B6BD-E341F767F501\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:7.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"823BF8BE-2309-4F67-A5E2-EAD98F723468\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*\",\"matchCriteriaId\":\"C91D2DBF-6DA7-4BA2-9F29-8BD2725A4701\"}]}]}],\"references\":[{\"url\":\"http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=ee6f958291e2a768fd727e7a67badfff0b67711a\",\"source\":\"secalert@redhat.com\"},{\"url\":\"http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Broken 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    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2025-11-21T13:15:38+00:00",
      "cve": "CVE-2008-2931",
      "id": "CVE-2008-2931",
      "initial_release_date": "2008-01-01T00:00:00+00:00",
      "product_status:fixed": "122",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: missing check before setting mount propagation",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2008/cve-2008-2931.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-07-26T17:05:27Z",
      "cve": "CVE-2008-2931",
      "id": "CVE-2008-2931",
      "initial_release_date": "2023-02-15T06:07:52Z",
      "product_status:known_not_affected": "256",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2008-2931",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2008-2931.json",
      "version": "11"
    }
  }
}



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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.