Medium severity5.5NVD Advisory· Published Oct 16, 2016· Updated Jun 17, 2026
CVE-2015-8952
CVE-2015-8952
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.
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Affected products
2Patches
Vulnerability mechanics
References
13- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatch
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatch
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdPatch
- www.openwall.com/lists/oss-security/2016/08/25/4nvdPatchThird Party Advisory
- github.com/torvalds/linux/commit/be0726d33cb8f411945884664924bed3cb8c70eenvdIssue TrackingPatch
- www.openwall.com/lists/oss-security/2016/08/22/2nvdThird Party Advisory
- bugzilla.kernel.org/show_bug.cginvdIssue TrackingThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryVDB Entry
- github.com/torvalds/linux/commit/82939d7999dfc1f1998c4b1c12e2f19edbdff272nvdVendor Advisory
- lwn.net/Articles/668718/nvdThird Party Advisory
- github.com/torvalds/linux/commit/f9a61eb4e2471c56a63cd804c7474128138c38acnvdIssue Tracking
- usn.ubuntu.com/3582-1/nvd
- usn.ubuntu.com/3582-2/nvd
News mentions
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