CVE-2010-0727
Status: ModifiedMedium (4.9)—
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.
CVSS
- Version: 2.0
- Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
- Base score: 4.9
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.56%
- Percentile among all scored CVEs: 45
- Score date: 10/15/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)
CWEs
- CWE-399
References
- http://lkml.org/lkml/2010/3/11/269
- http://secunia.com/advisories/39830
- http://securitytracker.com/id?1023809
- http://www.debian.org/security/2010/dsa-2053
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:066
- http://www.openwall.com/lists/oss-security/2010/03/12/1
- http://www.redhat.com/support/errata/RHSA-2010-0330.html
- http://www.redhat.com/support/errata/RHSA-2010-0380.html
- http://www.redhat.com/support/errata/RHSA-2010-0521.html
- https://bugzilla.redhat.com/show_bug.cgi?id=570863
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392
- http://lkml.org/lkml/2010/3/11/269
- http://secunia.com/advisories/39830
- http://securitytracker.com/id?1023809
- http://www.debian.org/security/2010/dsa-2053
- http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.34-rc1-next-20100312.bz2
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:066
- http://www.openwall.com/lists/oss-security/2010/03/12/1
- http://www.redhat.com/support/errata/RHSA-2010-0330.html
- http://www.redhat.com/support/errata/RHSA-2010-0380.html
- http://www.redhat.com/support/errata/RHSA-2010-0521.html
- https://bugzilla.redhat.com/show_bug.cgi?id=570863
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11392
Raw JSON (NVD)
Show
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"source": "nvd@nist.gov",
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"value": "La función gfs2_lock en el Linux kernel anterior v2.6.34-rc1-next-20100312, y la función gfs_lock en el Linux kernel de Red Hat Enterprise Linux (RHEL) v5 y v6, no elimina adecuadamente el POSIX locks en los archivos setgid sin permisos group-execute, lo que permite a usuarios locales causar una denegación de servicio (BUG y caída de sistema) bloqueando un archivo en los sistemas de archivos(1) GFS o (2) GFS2, y luego cambiar los permisos de este archivo."
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],
"lastModified": "2026-06-16T23:16:43.833",
"configurations": [
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"vendorComments": [
{
"comment": "Red Hat is aware of this issue and is tracking it via the following bug:\nhttps://bugzilla.redhat.com/CVE-2010-0727.\n\nThis 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 https://rhn.redhat.com/errata/RHSA-2010-9493.html, https://rhn.redhat.com/errata/RHSA-2010-9494.html, https://rhn.redhat.com/errata/RHSA-2010-0291.html respectively.\n\nFor the GFS2 issue, it was addressed in Red Hat Enterprise Linux 5 in the kernel package via https://rhn.redhat.com/errata/RHSA-2010-0178.html.",
"lastModified": "2010-04-06T00:00:00",
"organization": "Red Hat"
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