CVE-2015-8952
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2015-8952
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2015-8952.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2015-8952
- Downstream
- Published
- 2016-10-16T21:59:01Z
- Modified
- 2025-08-09T20:01:26Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- http://www.openwall.com/lists/oss-security/2016/08/22/2
- http://www.openwall.com/lists/oss-security/2016/08/25/4
- https://bugzilla.kernel.org/show_bug.cgi?id=107301
- https://bugzilla.redhat.com/show_bug.cgi?id=1360968
- https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272
- https://lwn.net/Articles/668718/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac
- https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee
- https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac
- https://usn.ubuntu.com/3582-1/
- https://usn.ubuntu.com/3582-2/