5.5med

CVE-2017-5986

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 de…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.2%
percentile 67%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

1.16% probability of exploitation in the next 30 days, higher than 67% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD2.07.1AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-617 Reachable Assertion
Technology feeds
Linux kernel (RSS, critical only)

References

  • access.redhat.com /errata/RHSA-2017:1308 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2017/02/14/6 · mailing-list, x_refsource_MLIST, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3c · x_refsource_CONFIRM, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1420276 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/96222 · vdb-entry, x_refsource_BID, x_transferred
  • debian.org /security/2017/dsa-3804 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.9.11 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.