7.8high

CVE-2016-9313

security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-typ…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
2.1%
percentile 82%
Public exploits
0
none known

Summary

security/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.

Exploit prediction (EPSS)

2.11% probability of exploitation in the next 30 days, higher than 82% 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
Technology feeds
Linux kernel (RSS, critical only)

References

  • openwall.com /lists/oss-security/2016/07/22/1 · mailing-list, x_refsource_MLIST, x_transferred
  • github.com /torvalds/linux/commit/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb · x_refsource_CONFIRM, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.8.7 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/94546 · vdb-entry, x_refsource_BID, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7df3e59c3d1df4f87fe874c7956ef7a3d2f4d · 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.