vulnwire
7.8high

CVE-2016-7911

Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel before 4.6.6 allows local users to gain privileges or…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.5%
percentile 75%
Public exploits
0
none known

Race condition in the get_task_ioprio function in block/ioprio.c in the Linux kernel before 4.6.6 allows local users to gain privileges or cause a denial of service (use-after-free) via a crafted ioprio_get system call.

Exploit prediction (EPSS)

1.54% probability of exploitation in the next 30 days, higher than 75% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD2.09.3AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-416 Use After Free
Technology feeds
Linux kernel (RSS, critical only)

References

  • source.android.com /security/bulletin/2016-11-01.html · x_refsource_CONFIRM, x_transferred
  • github.com /torvalds/linux/commit/8ba8682107ee2ca3347354e018865d8e1967c5f4 · x_refsource_CONFIRM, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.6.6 · x_refsource_CONFIRM, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8ba8682107ee2ca3347354e018865d8e1967c · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94135 · vdb-entry, x_refsource_BID, x_transferred

Sources

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