vulnwire
6.2med

CVE-2016-2543

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
6.2
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 45%
Public exploits
0
none known

The snd_seq_ioctl_remove_events function in sound/core/seq/seq_clientmgr.c in the Linux kernel before 4.4.1 does not verify FIFO assignment before proceeding with FIFO clearing, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted ioctl call.

Exploit prediction (EPSS)

0.52% probability of exploitation in the next 30 days, higher than 45% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.2CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Technology feeds
Linux kernel (RSS, critical only)

References

  • ubuntu.com /usn/USN-2930-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=030e2c78d3a91dd0d27fef37e91950dde333e · x_refsource_CONFIRM, 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
  • ubuntu.com /usn/USN-2930-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /torvalds/linux/commit/030e2c78d3a91dd0d27fef37e91950dde333eba1 · x_refsource_CONFIRM, x_transferred
  • debian.org /security/2016/dsa-3503 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • ubuntu.com /usn/USN-2967-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1311554 · x_refsource_CONFIRM, 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
  • securityfocus.com /bid/83377 · vdb-entry, x_refsource_BID, 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
  • 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
  • securitytracker.com /id/1035304 · vdb-entry, x_refsource_SECTRACK, 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

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