High severity7.8NVD Advisory· Published May 2, 2016· Updated Jun 17, 2026
CVE-2015-2686
CVE-2015-2686
Description
net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.
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Affected products
4Patches
Vulnerability mechanics
References
10- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvd
- grsecurity.net/~spender/viro.txtnvd
- twitter.com/grsecurity/statuses/579050211605102592nvd
- twitter.com/grsecurity/statuses/579060953477701632nvd
- twitter.com/grsecurity/statuses/579075689439059968nvd
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3nvd
- www.openwall.com/lists/oss-security/2015/03/23/14nvd
- www.securityfocus.com/bid/73286nvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27eanvd
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