CVE-2017-7472
UnknownEPSS 2.28%
Last modified
CVE-2017-7472 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.28% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.10.12 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271bIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/05/11/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1034862Issue Tracking, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1442086Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271bIssue Tracking, Patch, Third Party Advisory
- https://lkml.org/lkml/2017/4/1/235Broken Link
- https://lkml.org/lkml/2017/4/3/724Broken Link
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13Release Notes, Vendor Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271bIssue Tracking, Patch, Third Party Advisory
- http://openwall.com/lists/oss-security/2017/05/11/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.novell.com/show_bug.cgi?id=1034862Issue Tracking, Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1442086Issue Tracking, Patch
- https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271bIssue Tracking, Patch, Third Party Advisory
- https://lkml.org/lkml/2017/4/1/235Broken Link
- https://lkml.org/lkml/2017/4/3/724Broken Link
- https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2017-7472?
Severity scoring for CVE-2017-7472 is pending analysis. The EPSS model estimates a 2.28% probability of exploitation in the next 30 days.
How do I fix CVE-2017-7472?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-7472?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST