CVEvulnerability
CVE-2015-8952
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2016-10-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-19
Description
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.
Affected configurations
• linux linux kernel (<= 4.5.7)
Related
Weakness · not in database (1)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch
- http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory
- https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking
- https://lwn.net/Articles/668718/ Third Party Advisory
- https://usn.ubuntu.com/3582-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3582-2/ usn.ubuntu.com
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82939d7999dfc1f1998c4b1c12e2f19edbdff272 Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=be0726d33cb8f411945884664924bed3cb8c70ee Patch
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f9a61eb4e2471c56a63cd804c7474128138c38ac Patch
- http://www.openwall.com/lists/oss-security/2016/08/22/2 Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/25/4 Patch, Third Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=107301 Issue Tracking, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1360968 Issue Tracking, Third Party Advisory, VDB Entry
- https://github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272 Vendor Advisory
- https://github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70ee Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38ac Issue Tracking
- https://lwn.net/Articles/668718/ Third Party Advisory
- https://usn.ubuntu.com/3582-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3582-2/ usn.ubuntu.com