CVE-2015-8952 (GCVE-0-2015-8952)
Vulnerability from cvelistv5
Published
2016-10-16 21:00
Modified
2024-08-06 08:36
Severity ?
CWE
  • n/a
Summary
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
References
cve@mitre.org http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch
cve@mitre.org http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch
cve@mitre.org http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch
cve@mitre.org http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory
cve@mitre.org http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch, Third Party Advisory
cve@mitre.org https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking, Third Party Advisory
cve@mitre.org https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking, Third Party Advisory, VDB Entry
cve@mitre.org https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory
cve@mitre.org https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking, Patch
cve@mitre.org https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking
cve@mitre.org https://lwn.net/Articles/668718/ Third Party Advisory
cve@mitre.org https://usn.ubuntu.com/3582-1/
cve@mitre.org https://usn.ubuntu.com/3582-2/
af854a3a-2127-422b-91ae-364da2661108 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch
af854a3a-2127-422b-91ae-364da2661108 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch
af854a3a-2127-422b-91ae-364da2661108 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking
af854a3a-2127-422b-91ae-364da2661108 https://lwn.net/Articles/668718/ Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3582-1/
af854a3a-2127-422b-91ae-364da2661108 https://usn.ubuntu.com/3582-2/
Impacted products
Vendor Product Version
n/a n/a Version: n/a
Show details on NVD website

To clipboard 

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Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2016/08/25/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.kernel.org/show_bug.cgi?id=107301\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1360968\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\",\"Patch\"]},{\"url\":\"https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://lwn.net/Articles/668718/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://usn.ubuntu.com/3582-1/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://usn.ubuntu.com/3582-2/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
  }
}


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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.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.