5.1med

CVE-2016-2545

The snd_timer_interrupt function in sound/core/timer.c in the Linux kernel before 4.4.1 does not properly maintain a certain linked list, w…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 28%
Public exploits
0
none known

Summary

The snd_timer_interrupt function in sound/core/timer.c in the Linux kernel before 4.4.1 does not properly maintain a certain linked list, which allows local users to cause a denial of service (race condition and system crash) via a crafted ioctl call.

Exploit prediction (EPSS)

0.35% probability of exploitation in the next 30 days, higher than 28% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.1CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.04.7AV:L/AC:M/Au:N/C:N/I:N/A:C

Classification

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

References

  • github.com /torvalds/linux/commit/ee8413b01045c74340aa13ad5bdf905de32be736 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2930-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2967-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.4.1 · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ee8413b01045c74340aa13ad5bdf905de32be · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2930-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • debian.org /security/2016/dsa-3503 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1311560 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2967-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • openwall.com /lists/oss-security/2016/01/19/1 · mailing-list, x_refsource_MLIST, x_transferred
  • ubuntu.com /usn/USN-2930-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-04/msg00045.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-2929-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2932-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securitytracker.com /id/1035296 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-08/msg00038.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • ubuntu.com /usn/USN-2931-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • securityfocus.com /bid/83381 · vdb-entry, x_refsource_BID, x_transferred
  • ubuntu.com /usn/USN-2929-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2016-03/msg00094.html · vendor-advisory, x_refsource_SUSE, 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.