drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Denial of Service in util-linux
Name: |
Denial of Service in util-linux |
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ID: |
RHSA-2017:0907-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 12. April 2017, 22:55 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2017-2616 |
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Applikationen: |
util-linux |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: util-linux security and bug fix update Advisory ID: RHSA-2017:0907-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:0907 Issue date: 2017-04-12 CVE Names: CVE-2017-2616 =====================================================================
1. Summary:
An update for util-linux is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Client (v. 7) - x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64
3. Description:
The util-linux packages contain a large variety of low-level system utilities that are necessary for a Linux system to function. Among others, these include the fdisk configuration tool and the login program.
Security Fix(es):
* A race condition was found in the way su handled the management of child processes. A local authenticated attacker could use this flaw to kill other processes with root privileges under specific conditions. (CVE-2017-2616)
Red Hat would like to thank Tobias Stöckmann for reporting this issue.
Bug Fix(es):
* The "findmnt --target <path>" command prints all file systems where the mount point directory is <path>. Previously, when used in the chroot environment, "findmnt --target <path>" incorrectly displayed all mount points. The command has been fixed so that it now checks the mount point path and returns information only for the relevant mount point. (BZ#1414481)
4. Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
5. Bugs fixed (https://bugzilla.redhat.com/):
1414481 - findmnt --target behaviour changed in 7.3, shows all mount-points in chroot 1418710 - CVE-2017-2616 util-linux: Sending SIGKILL to other processes with root privileges via su
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source: util-linux-2.23.2-33.el7_3.2.src.rpm
x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: util-linux-2.23.2-33.el7_3.2.src.rpm
x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional (v. 7):
x86_64: libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: util-linux-2.23.2-33.el7_3.2.src.rpm
aarch64: libblkid-2.23.2-33.el7_3.2.aarch64.rpm libblkid-devel-2.23.2-33.el7_3.2.aarch64.rpm libmount-2.23.2-33.el7_3.2.aarch64.rpm libuuid-2.23.2-33.el7_3.2.aarch64.rpm libuuid-devel-2.23.2-33.el7_3.2.aarch64.rpm util-linux-2.23.2-33.el7_3.2.aarch64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.aarch64.rpm uuidd-2.23.2-33.el7_3.2.aarch64.rpm
ppc64: libblkid-2.23.2-33.el7_3.2.ppc.rpm libblkid-2.23.2-33.el7_3.2.ppc64.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc64.rpm libmount-2.23.2-33.el7_3.2.ppc.rpm libmount-2.23.2-33.el7_3.2.ppc64.rpm libuuid-2.23.2-33.el7_3.2.ppc.rpm libuuid-2.23.2-33.el7_3.2.ppc64.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc64.rpm util-linux-2.23.2-33.el7_3.2.ppc.rpm util-linux-2.23.2-33.el7_3.2.ppc64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64.rpm uuidd-2.23.2-33.el7_3.2.ppc64.rpm
ppc64le: libblkid-2.23.2-33.el7_3.2.ppc64le.rpm libblkid-devel-2.23.2-33.el7_3.2.ppc64le.rpm libmount-2.23.2-33.el7_3.2.ppc64le.rpm libuuid-2.23.2-33.el7_3.2.ppc64le.rpm libuuid-devel-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64le.rpm uuidd-2.23.2-33.el7_3.2.ppc64le.rpm
s390x: libblkid-2.23.2-33.el7_3.2.s390.rpm libblkid-2.23.2-33.el7_3.2.s390x.rpm libblkid-devel-2.23.2-33.el7_3.2.s390.rpm libblkid-devel-2.23.2-33.el7_3.2.s390x.rpm libmount-2.23.2-33.el7_3.2.s390.rpm libmount-2.23.2-33.el7_3.2.s390x.rpm libuuid-2.23.2-33.el7_3.2.s390.rpm libuuid-2.23.2-33.el7_3.2.s390x.rpm libuuid-devel-2.23.2-33.el7_3.2.s390.rpm libuuid-devel-2.23.2-33.el7_3.2.s390x.rpm util-linux-2.23.2-33.el7_3.2.s390.rpm util-linux-2.23.2-33.el7_3.2.s390x.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390x.rpm uuidd-2.23.2-33.el7_3.2.s390x.rpm
x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
aarch64: libmount-devel-2.23.2-33.el7_3.2.aarch64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.aarch64.rpm
ppc64: libmount-devel-2.23.2-33.el7_3.2.ppc.rpm libmount-devel-2.23.2-33.el7_3.2.ppc64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64.rpm
ppc64le: libmount-devel-2.23.2-33.el7_3.2.ppc64le.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.ppc64le.rpm
s390x: libmount-devel-2.23.2-33.el7_3.2.s390.rpm libmount-devel-2.23.2-33.el7_3.2.s390x.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.s390x.rpm
x86_64: libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: util-linux-2.23.2-33.el7_3.2.src.rpm
x86_64: libblkid-2.23.2-33.el7_3.2.i686.rpm libblkid-2.23.2-33.el7_3.2.x86_64.rpm libblkid-devel-2.23.2-33.el7_3.2.i686.rpm libblkid-devel-2.23.2-33.el7_3.2.x86_64.rpm libmount-2.23.2-33.el7_3.2.i686.rpm libmount-2.23.2-33.el7_3.2.x86_64.rpm libuuid-2.23.2-33.el7_3.2.i686.rpm libuuid-2.23.2-33.el7_3.2.x86_64.rpm libuuid-devel-2.23.2-33.el7_3.2.i686.rpm libuuid-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-2.23.2-33.el7_3.2.i686.rpm util-linux-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm uuidd-2.23.2-33.el7_3.2.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64: libmount-devel-2.23.2-33.el7_3.2.i686.rpm libmount-devel-2.23.2-33.el7_3.2.x86_64.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.i686.rpm util-linux-debuginfo-2.23.2-33.el7_3.2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2017-2616 https://access.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1
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