csaf_redhat - rhsa-2010:0331

rhsa-2010:0331

Vulnerability from csaf_redhat

Published

2010-03-30 16:52

Modified

2024-11-14 10:48

Summary

Red Hat Security Advisory: GFS-kernel security and bug fix update

Notes

Topic

Updated GFS-kernel packages that fix one security issue are now available for Red Hat Enterprise Linux 4.8, kernel release 2.6.9-89.0.20.EL. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

Details

The GFS-kernel packages contain modules that provide the ability to mount and use GFS file systems. A flaw was found in the gfs_lock() implementation. The GFS locking code could skip the lock operation for files that have the S_ISGID bit (set-group-ID on execution) in their mode set. A local, unprivileged user on a system that has a GFS file system mounted could use this flaw to cause a kernel panic. (CVE-2010-0727) As well, these updated GFS-kernel packages are in sync with the latest kernel (2.6.9-89.0.20.EL). The modules in earlier GFS-kernel packages fail to load because they do not match the running kernel. It is possible to force-load the modules; however, with this update, force-loading the modules is not required. Users are advised to upgrade to these latest GFS-kernel packages, which resolve this issue and are updated for use with the 2.6.9-89.0.20.EL kernel.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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        "text": "Updated GFS-kernel packages that fix one security issue are now available\nfor Red Hat Enterprise Linux 4.8, kernel release 2.6.9-89.0.20.EL.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available from the CVE link in\nthe References section.",
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      "discovery_date": "2010-03-08T00:00:00+00:00",
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          "text": "570863"
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          "category": "description",
          "text": "The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file\u0027s permissions.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "kernel: bug in GFS/GFS2 locking code leads to dos",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise MRG, as it did not include support for the GFS and GFS2 file systems.\n\nFor the GFS issue, it was addressed in Red Hat Enterprise Linux 3 in the gfs package, 4 in the GFS-kernel package, and 5 in the gfs-kmod package, via RHSA-2010:9493, RHSA-2010:9494, RHSA-2010:0291 respectively.\n\nFor the GFS2 issue, it was addressed in Red Hat Enterprise Linux 5 in the kernel package via RHSA-2010:0178.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
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            "4AS-GFS:GFS-kernel-largesmp-0:2.6.9-85.2.el4_8.10.x86_64",
            "4AS-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.i686",
            "4AS-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.x86_64",
            "4AS-GFS:GFS-kernel-xenU-0:2.6.9-85.2.el4_8.10.i686",
            "4AS-GFS:GFS-kernel-xenU-0:2.6.9-85.2.el4_8.10.x86_64",
            "4AS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.i686",
            "4AS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.ia64",
            "4AS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.ppc64",
            "4AS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.x86_64",
            "4ES-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.i686",
            "4ES-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.ia64",
            "4ES-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.ppc64",
            "4ES-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.src",
            "4ES-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.x86_64",
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            "4ES-GFS:GFS-kernel-debuginfo-0:2.6.9-85.2.el4_8.10.ia64",
            "4ES-GFS:GFS-kernel-debuginfo-0:2.6.9-85.2.el4_8.10.ppc64",
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            "4ES-GFS:GFS-kernel-largesmp-0:2.6.9-85.2.el4_8.10.ppc64",
            "4ES-GFS:GFS-kernel-largesmp-0:2.6.9-85.2.el4_8.10.x86_64",
            "4ES-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.i686",
            "4ES-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.x86_64",
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            "4ES-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.i686",
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            "4WS-GFS:GFS-kernel-0:2.6.9-85.2.el4_8.10.i686",
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            "4WS-GFS:GFS-kernel-largesmp-0:2.6.9-85.2.el4_8.10.x86_64",
            "4WS-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.i686",
            "4WS-GFS:GFS-kernel-smp-0:2.6.9-85.2.el4_8.10.x86_64",
            "4WS-GFS:GFS-kernel-xenU-0:2.6.9-85.2.el4_8.10.i686",
            "4WS-GFS:GFS-kernel-xenU-0:2.6.9-85.2.el4_8.10.x86_64",
            "4WS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.i686",
            "4WS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.ia64",
            "4WS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.ppc64",
            "4WS-GFS:GFS-kernheaders-0:2.6.9-85.2.el4_8.10.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "kernel: bug in GFS/GFS2 locking code leads to dos"
    }
  ]
}

cve-2010-0727

Vulnerability from cvelistv5

Published

2010-03-16 19:00

Modified

2024-08-07 00:59

Severity ?

Summary

The gfs2_lock function in the Linux kernel before 2.6.34-rc1-next-20100312, and the gfs_lock function in the Linux kernel on Red Hat Enterprise Linux (RHEL) 5 and 6, does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service (BUG and system crash) by locking a file on a (1) GFS or (2) GFS2 filesystem, and then changing this file's permissions.

References

▼	URL	Tags
	http://www.redhat.com/support/errata/RHSA-2010-0330.html	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2010/03/12/1	mailing-list, x_refsource_MLIST
	http://www.redhat.com/support/errata/RHSA-2010-0380.html	vendor-advisory, x_refsource_REDHAT
	http://lkml.org/lkml/2010/3/11/269	mailing-list, x_refsource_MLIST
	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392	vdb-entry, signature, x_refsource_OVAL
	http://securitytracker.com/id?1023809	vdb-entry, x_refsource_SECTRACK
	http://www.mandriva.com/security/advisories?name=MDVSA-2010:066	vendor-advisory, x_refsource_MANDRIVA
	http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2	x_refsource_CONFIRM
	http://www.debian.org/security/2010/dsa-2053	vendor-advisory, x_refsource_DEBIAN
	http://www.redhat.com/support/errata/RHSA-2010-0521.html	vendor-advisory, x_refsource_REDHAT
	http://secunia.com/advisories/39830	third-party-advisory, x_refsource_SECUNIA
	https://bugzilla.redhat.com/show_bug.cgi?id=570863	x_refsource_CONFIRM

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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  "containers": {
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          "dateUpdated": "2024-08-07T00:59:38.492Z",
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        "references": [
          {
            "name": "RHSA-2010:0330",
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              "vendor-advisory",
              "x_refsource_REDHAT",
              "x_transferred"
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            "url": "http://www.redhat.com/support/errata/RHSA-2010-0330.html"
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              "x_transferred"
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            "url": "http://www.openwall.com/lists/oss-security/2010/03/12/1"
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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