Vulnerability in Linux Kernel
CVE-2017-7472
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Linux Kernel
- Linux Kernel Before 4.10.13 — versions Linux kernel before 4.10.13
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Third Party Advisory, Issue Tracking)
- lkml.org/lkml/2017/4/3/724 (Broken Link)
- access.redhat.com/errata/RHSA-2018:0181 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13 (Release Notes, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2018:0152 (vendor-advisory)
- github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b (Patch, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/bid/98422 (vdb-entry)
- www.securitytracker.com/id/1038471 (vdb-entry)
Frequently asked questions
- What is CVE-2017-7472?
- CVE-2017-7472 is a medium-severity vulnerability in Linux Kernel, classified under Improper Resource Shutdown or Release. CVSS score: 5.5/10. Published 2017-05-11.
- How severe is CVE-2017-7472?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-7472 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.