What’s Vulnerable › Vulnerabilities

CVE-2017-7472

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-05-11 · updated 2026-06-17
• Weakness: CWE-404

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.

Affected products

• Linux kernel: through 4.10.12

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
• http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
• http://openwall.com/lists/oss-security/2017/05/11/1
• http://www.securityfocus.com/bid/98422
• http://www.securitytracker.com/id/1038471
• https://access.redhat.com/errata/RHSA-2018:0151
• https://access.redhat.com/errata/RHSA-2018:0152
• https://access.redhat.com/errata/RHSA-2018:0181
• https://bugzilla.novell.com/show_bug.cgi?id=1034862
• https://bugzilla.redhat.com/show_bug.cgi?id=1442086
• https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
• https://lkml.org/lkml/2017/4/1/235

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