What’s Vulnerable › Vulnerabilities

CVE-2017-5986

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-02-18 · updated 2026-06-17
• Weakness: CWE-362

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.

Affected products

• Linux kernel: through 4.9.11

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
• 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

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