CVE-2015-5283

Severity: medium (CVSS 4.7 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2015-10-19 · updated 2026-06-17
Weakness: CWE-119

Description

The sctp_init function in net/sctp/protocol.c in the Linux kernel before 4.2.3 has an incorrect sequence of protocol-initialization steps, which allows local users to cause a denial of service (panic or memory corruption) by creating SCTP sockets before all of the steps have finished.

Affected products

Linux kernel: through 4.2.2

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8e2d61e0aed2b7c4ecb35844fe07e0b2b762dee4
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
http://patchwork.ozlabs.org/patch/515996/
http://www.debian.org/security/2015/dsa-3372
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.2.3
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
http://www.securityfocus.com/bid/77058
http://www.securitytracker.com/id/1033808
http://www.ubuntu.com/usn/USN-2823-1
http://www.ubuntu.com/usn/USN-2826-1
http://www.ubuntu.com/usn/USN-2829-1

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