CVE-2006-5755 (GCVE-0-2006-5755)

Vulnerability from cvelistv5 – Published: 2007-01-09 01:00 – Updated: 2024-08-07 20:04
VLAI
Summary
Linux kernel before 2.6.18, when running on x86_64 systems, does not properly save or restore EFLAGS during a context switch, which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag, which can trigger a crash on the IRET of the next task.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
http://secunia.com/advisories/32485 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/24098 third-party-advisoryx_refsource_SECUNIA
http://kernel.org/git/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.redhat.com/support/errata/RHSA-2008-09… vendor-advisoryx_refsource_REDHAT
http://secunia.com/advisories/26994 third-party-advisoryx_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.ubuntu.com/usn/usn-416-1 vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/bid/26060 vdb-entryx_refsource_BID
http://secunia.com/advisories/26620 third-party-advisoryx_refsource_SECUNIA
http://www.debian.org/security/2007/dsa-1381 vendor-advisoryx_refsource_DEBIAN
http://www.kernel.org/pub/linux/kernel/v2.6/snaps… x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/471457 mailing-listx_refsource_BUGTRAQ
http://git.kernel.org/?p=linux/kernel/git/torvald… x_refsource_CONFIRM
http://www.kernel.org/pub/linux/kernel/v2.6/Chang… x_refsource_CONFIRM
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/25691 third-party-advisoryx_refsource_SECUNIA
Date Public
2006-09-26 00:00
Show details on NVD website
To clipboard 

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            "url": "http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/24098"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/25691"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/26620"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/26994"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/32485"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.debian.org/security/2007/dsa-1381"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:171"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.redhat.com/support/errata/RHSA-2008-0957.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/archive/1/471457"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.securityfocus.com/bid/26060"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://www.ubuntu.com/usn/usn-416-1"
          },
          {
            "source": "secalert@redhat.com",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=658fdbef66e5e9be79b457edc2cbbb3add840aa9"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/24098"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/25691"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/26620"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/26994"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/32485"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.debian.org/security/2007/dsa-1381"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.18"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.18-git13.log"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2007:171"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.redhat.com/support/errata/RHSA-2008-0957.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/archive/1/471457"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/26060"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.ubuntu.com/usn/usn-416-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9554"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-Other"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:21:01+00:00",
      "cve": "CVE-2006-5755",
      "id": "CVE-2006-5755",
      "initial_release_date": "2006-09-26T00:00:00+00:00",
      "product_status:fixed": "122",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: local denial of service due to NT bit leakage",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2006/cve-2006-5755.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-07-03T00:35:47Z",
      "cve": "CVE-2006-5755",
      "id": "CVE-2006-5755",
      "initial_release_date": "2023-02-15T06:13:59Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2006-5755",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2006-5755.json",
      "version": "4"
    }
  }
}



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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.



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.