Description

Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90

http://www.debian.org/security/2017/dsa-3804

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11

http://www.openwall.com/lists/oss-security/2017/02/14/6

http://www.securityfocus.com/bid/96222

https://access.redhat.com/errata/RHSA-2017:1308

https://bugzilla.redhat.com/show_bug.cgi?id=1420276

https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90

Details

Risk Information

CVSS v2

CVSS v3