Published: 11/05/2017 Updated: 12/02/2023

CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9

CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8

VMScore: 495

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

The KEYS subsystem in the Linux kernel prior to 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.

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linux linux kernel

Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise MRG 2Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVS ...

Synopsis Important: kernel-rt security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel-rt is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (C ...

Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) b ...

Several security issues were fixed in the Linux kernel ...

A vulnerability was found in the Linux kernel where the keyctl_set_reqkey_keyring() function leaks the thread keyring This allows an unprivileged local user to exhaust kernel memory and thus cause a DoS ...

/* Source: bugzillanovellcom/show_bugcgi?id=1034862 QA REPRODUCER: gcc -O2 -o CVE-2017-7472 CVE-2017-7472c -lkeyutils /CVE-2017-7472 (will run the kernel out of memory) */ #include <sys/typesh> #include <keyutilsh> int main() { for (;;) keyctl_set_reqkey_keyring(KEY_REQKEY_DEFL_THREAD_KEYRING); } ...

Linux Kernel versions prior to 41013 suffer from a keyctl_set_reqkey_keyring local denial of service vulnerability ...

CVE-2017-7472 The KEYS subsystem in the Linux kernel before 41013 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 Shortcut Vulnerable kernel 41013

CWE-404 https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13 https://lkml.org/lkml/2017/4/3/724 https://lkml.org/lkml/2017/4/1/235 https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b https://bugzilla.redhat.com/show_bug.cgi?id=1442086 https://bugzilla.novell.com/show_bug.cgi?id=1034862 http://openwall.com/lists/oss-security/2017/05/11/1 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b http://www.securityfocus.com/bid/98422 http://www.securitytracker.com/id/1038471 https://www.exploit-db.com/exploits/42136/http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html https://access.redhat.com/errata/RHSA-2018:0181 https://access.redhat.com/errata/RHSA-2018:0152 https://access.redhat.com/errata/RHSA-2018:0151 https://nvd.nist.gov https://access.redhat.com/errata/RHSA-2018:0181 https://www.exploit-db.com/exploits/42136/https://usn.ubuntu.com/3312-2/

CVE-2017-7472

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