CVE-2015-2686
net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1)...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2015-2686- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.2 High
AV:L/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2015-2686- Updated
- 2026-11-02
EUVDEUVD-2015-2777 No score
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.
- Record
EUVD-2015-2777- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xcxf-mrr2-q6v3
net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1)...
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.
- Record
GHSA-xcxf-mrr2-q6v3- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2015-2686
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.
- Record
UBUNTU-CVE-2015-2686- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2015-2686 is a high vulnerability (CVSS 7.8) in Linux Kernel, published May 2, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 32nd percentile. No source names a fixed version.
References
grsecurity.net/~spender/viro.txt
securityfocus.com/bid/73286
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea
kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3
twitter.com/grsecurity/statuses/579050211605102592
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openwall.com/lists/oss-security/2015/03/23/14
github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea
bugzilla.redhat.com/show_bug.cgi?id=1205242
nvd.nist.gov/vuln/detail/CVE-2015-2686
ubuntu.com/security/CVE-2015-2686
cve.org/CVERecord?id=CVE-2015-2686