vulnwire
5.5med

CVE-2017-74721 exploit

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.3%
percentile 83%
Public exploits
1
Exploit-DB

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.

Exploit prediction (EPSS)

2.26% probability of exploitation in the next 30 days, higher than 83% of all scored CVEs.

Exploits and detections

  • EDB-42136 Linux Kernel < 4.10.13 - 'keyctl_set_reqkey_keyring' Local Denial of Service · dos · 2017-06-07

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

  • n/a Linux kernel before 4.10.13

Classification

Weakness
  • CWE-404 Improper Resource Shutdown or Release
Technology feeds
Linux kernel (RSS, critical only)

References

  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf52 · x_refsource_CONFIRM, x_transferred
  • lkml.org /lkml/2017/4/3/724 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:0181 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1442086 · x_refsource_CONFIRM, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.10.13 · x_refsource_CONFIRM, x_transferred
  • lists.opensuse.org /opensuse-security-announce/2018-01/msg00007.html · vendor-advisory, x_refsource_SUSE, x_transferred
  • access.redhat.com /errata/RHSA-2018:0152 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • github.com /torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/98422 · vdb-entry, x_refsource_BID, x_transferred
  • securitytracker.com /id/1038471 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • bugzilla.novell.com /show_bug.cgi?id=1034862 · x_refsource_CONFIRM, x_transferred
  • exploit-db.com /exploits/42136/ · exploit, x_refsource_EXPLOIT-DB, x_transferred
  • openwall.com /lists/oss-security/2017/05/11/1 · x_refsource_CONFIRM, x_transferred
  • access.redhat.com /errata/RHSA-2018:0151 · vendor-advisory, x_refsource_REDHAT, x_transferred
  • lkml.org /lkml/2017/4/1/235 · 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.