vulnwire
7.0high

CVE-2017-8244

In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable "dbg_buf", "dbg_buf->curr" and "dbg_…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.1%
percentile 4%
Public exploits
0
none known

In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable "dbg_buf", "dbg_buf->curr" and "dbg_buf->filled_size" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race conditions. "buffer->curr" itself could also be overwritten, which means that it may point to anywhere of kernel memory (for write).

Exploit prediction (EPSS)

0.15% probability of exploitation in the next 30 days, higher than 4% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.17.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.06.9AV:L/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

  • codeaurora.org /buffer-overflow-msmvidc-debugfs-driver-coreinforead-and-instinforead-cve-2017-8244 · x_refsource_CONFIRM, x_transferred
  • source.android.com /security/bulletin/pixel/2017-12-01 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/98547 · vdb-entry, x_refsource_BID, 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.