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.
[
{
"product": "Linux kernel before 4.10.13",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Linux kernel before 4.10.13"
}
]
}
]
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
openwall.com/lists/oss-security/2017/05/11/1
www.securityfocus.com/bid/98422
www.securitytracker.com/id/1038471
access.redhat.com/errata/RHSA-2018:0151
access.redhat.com/errata/RHSA-2018:0152
access.redhat.com/errata/RHSA-2018:0181
bugzilla.novell.com/show_bug.cgi?id=1034862
bugzilla.redhat.com/show_bug.cgi?id=1442086
github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
lkml.org/lkml/2017/4/1/235
lkml.org/lkml/2017/4/3/724
www.exploit-db.com/exploits/42136/
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13