CVE-2017-7618

Published: 10 April 2017

crypto/ahash.c in the Linux kernel through 4.10.9 allows attackers to cause a denial of service (API operation calling its own callback, and infinite recursion) by triggering EBUSY on a full queue.

From the Ubuntu security team

Sabrina Dubroca discovered that the asynchronous cryptographic hash (ahash) implementation in the Linux kernel did not properly handle a full request queue. A local attacker could use this to cause a denial of service (infinite recursion).

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
Patches:
Introduced by ab6bf4e5e5e4298e8649e635bee25542cccbfd97
Fixed by ef0579b64e93188710d48667cb5e014926af9f1b
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-azure
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-euclid
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-gcp
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-kvm
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-oem
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.11~rc8)

Notes

AuthorNote
jdstrand
android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support

References