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CVE-2017-8890

Published: 10 May 2017

The inet_csk_clone_lock function in net/ipv4/inet_connection_sock.c in the Linux kernel through 4.10.15 allows attackers to cause a denial of service (double free) or possibly have unspecified other impact by leveraging use of the accept system call.

From the Ubuntu security team

It was discovered that a double-free vulnerability existed in the IPv4 stack of the Linux kernel. An attacker could use this to cause a denial of service (system crash).

Priority

Medium

CVSS 3 base score: 7.8

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
Patches:
Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Fixed by 657831ffc38e30092a2d5f03d385d710eb88b09a
linux-armadaxp
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-aws
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-azure
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-euclid
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-flo
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-gcp
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-gke
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-goldfish
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-grouper
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-hwe
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-hwe-edge
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-kvm
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-linaro-omap
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-linaro-shared
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-linaro-vexpress
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-quantal
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-lts-raring
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-saucy
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
This package is not directly supported by the Ubuntu Security Team
linux-lts-trusty
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-utopic
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-vivid
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-wily
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-lts-xenial
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-maguro
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-mako
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-manta
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-oem
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-qcm-msm
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-raspi2
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-snapdragon
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)
linux-ti-omap4
Launchpad, Ubuntu, Debian
Upstream
Released (4.12~rc1)

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