-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: glibc security update Advisory ID: RHSA-2016:0225-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-0225.html Issue date: 2016-02-16 CVE Names: CVE-2015-7547 ===================================================================== 1. Summary: Updated glibc packages that fix one security issue are now available for Red Hat Enterprise Linux 6.2, 6.4, and 6.5 Advanced Update Support, and Red Hat Enterprise Linux 6.6 and 7.1 Extended Update Support. Red Hat Product Security has rated this update as having Critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux ComputeNode EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1) - x86_64 Red Hat Enterprise Linux HPC Node EUS (v. 6.6) - x86_64 Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.6) - x86_64 Red Hat Enterprise Linux Server AUS (v. 6.2) - x86_64 Red Hat Enterprise Linux Server AUS (v. 6.4) - x86_64 Red Hat Enterprise Linux Server AUS (v. 6.5) - x86_64 Red Hat Enterprise Linux Server EUS (v. 6.6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.1) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 6.2) - x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 6.4) - x86_64 Red Hat Enterprise Linux Server Optional AUS (v. 6.5) - x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 6.6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.1) - ppc64, ppc64le, s390x, x86_64 3. Description: The glibc packages provide the standard C libraries (libc), POSIX thread libraries (libpthread), standard math libraries (libm), and the Name Server Caching Daemon (nscd) used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. A stack-based buffer overflow was found in the way the libresolv library performed dual A/AAAA DNS queries. A remote attacker could create a specially crafted DNS response which could cause libresolv to crash or, potentially, execute code with the permissions of the user running the library. Note: this issue is only exposed when libresolv is called from the nss_dns NSS service module. (CVE-2015-7547) This issue was discovered by the Google Security Team and Red Hat. All glibc users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1293532 - CVE-2015-7547 glibc: getaddrinfo stack-based buffer overflow 6. Package List: Red Hat Enterprise Linux HPC Node EUS (v. 6.6): Source: glibc-2.12-1.149.el6_6.11.src.rpm x86_64: glibc-2.12-1.149.el6_6.11.i686.rpm glibc-2.12-1.149.el6_6.11.x86_64.rpm glibc-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-devel-2.12-1.149.el6_6.11.i686.rpm glibc-devel-2.12-1.149.el6_6.11.x86_64.rpm glibc-headers-2.12-1.149.el6_6.11.x86_64.rpm glibc-utils-2.12-1.149.el6_6.11.x86_64.rpm nscd-2.12-1.149.el6_6.11.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.6): x86_64: glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-static-2.12-1.149.el6_6.11.i686.rpm glibc-static-2.12-1.149.el6_6.11.x86_64.rpm Red Hat Enterprise Linux Server AUS (v. 6.2): Source: glibc-2.12-1.47.el6_2.17.src.rpm x86_64: glibc-2.12-1.47.el6_2.17.i686.rpm glibc-2.12-1.47.el6_2.17.x86_64.rpm glibc-common-2.12-1.47.el6_2.17.x86_64.rpm glibc-debuginfo-2.12-1.47.el6_2.17.i686.rpm glibc-debuginfo-2.12-1.47.el6_2.17.x86_64.rpm glibc-debuginfo-common-2.12-1.47.el6_2.17.i686.rpm glibc-debuginfo-common-2.12-1.47.el6_2.17.x86_64.rpm glibc-devel-2.12-1.47.el6_2.17.i686.rpm glibc-devel-2.12-1.47.el6_2.17.x86_64.rpm glibc-headers-2.12-1.47.el6_2.17.x86_64.rpm glibc-utils-2.12-1.47.el6_2.17.x86_64.rpm nscd-2.12-1.47.el6_2.17.x86_64.rpm Red Hat Enterprise Linux Server AUS (v. 6.4): Source: glibc-2.12-1.107.el6_4.9.src.rpm x86_64: glibc-2.12-1.107.el6_4.9.i686.rpm glibc-2.12-1.107.el6_4.9.x86_64.rpm glibc-common-2.12-1.107.el6_4.9.x86_64.rpm glibc-debuginfo-2.12-1.107.el6_4.9.i686.rpm glibc-debuginfo-2.12-1.107.el6_4.9.x86_64.rpm glibc-debuginfo-common-2.12-1.107.el6_4.9.i686.rpm glibc-debuginfo-common-2.12-1.107.el6_4.9.x86_64.rpm glibc-devel-2.12-1.107.el6_4.9.i686.rpm glibc-devel-2.12-1.107.el6_4.9.x86_64.rpm glibc-headers-2.12-1.107.el6_4.9.x86_64.rpm glibc-utils-2.12-1.107.el6_4.9.x86_64.rpm nscd-2.12-1.107.el6_4.9.x86_64.rpm Red Hat Enterprise Linux Server AUS (v. 6.5): Source: glibc-2.12-1.132.el6_5.7.src.rpm x86_64: glibc-2.12-1.132.el6_5.7.i686.rpm glibc-2.12-1.132.el6_5.7.x86_64.rpm glibc-common-2.12-1.132.el6_5.7.x86_64.rpm glibc-debuginfo-2.12-1.132.el6_5.7.i686.rpm glibc-debuginfo-2.12-1.132.el6_5.7.x86_64.rpm glibc-debuginfo-common-2.12-1.132.el6_5.7.i686.rpm glibc-debuginfo-common-2.12-1.132.el6_5.7.x86_64.rpm glibc-devel-2.12-1.132.el6_5.7.i686.rpm glibc-devel-2.12-1.132.el6_5.7.x86_64.rpm glibc-headers-2.12-1.132.el6_5.7.x86_64.rpm glibc-utils-2.12-1.132.el6_5.7.x86_64.rpm nscd-2.12-1.132.el6_5.7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 6.6): Source: glibc-2.12-1.149.el6_6.11.src.rpm i386: glibc-2.12-1.149.el6_6.11.i686.rpm glibc-common-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-devel-2.12-1.149.el6_6.11.i686.rpm glibc-headers-2.12-1.149.el6_6.11.i686.rpm glibc-utils-2.12-1.149.el6_6.11.i686.rpm nscd-2.12-1.149.el6_6.11.i686.rpm ppc64: glibc-2.12-1.149.el6_6.11.ppc.rpm glibc-2.12-1.149.el6_6.11.ppc64.rpm glibc-common-2.12-1.149.el6_6.11.ppc64.rpm glibc-debuginfo-2.12-1.149.el6_6.11.ppc.rpm glibc-debuginfo-2.12-1.149.el6_6.11.ppc64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.ppc.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.ppc64.rpm glibc-devel-2.12-1.149.el6_6.11.ppc.rpm glibc-devel-2.12-1.149.el6_6.11.ppc64.rpm glibc-headers-2.12-1.149.el6_6.11.ppc64.rpm glibc-utils-2.12-1.149.el6_6.11.ppc64.rpm nscd-2.12-1.149.el6_6.11.ppc64.rpm s390x: glibc-2.12-1.149.el6_6.11.s390.rpm glibc-2.12-1.149.el6_6.11.s390x.rpm glibc-common-2.12-1.149.el6_6.11.s390x.rpm glibc-debuginfo-2.12-1.149.el6_6.11.s390.rpm glibc-debuginfo-2.12-1.149.el6_6.11.s390x.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.s390.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.s390x.rpm glibc-devel-2.12-1.149.el6_6.11.s390.rpm glibc-devel-2.12-1.149.el6_6.11.s390x.rpm glibc-headers-2.12-1.149.el6_6.11.s390x.rpm glibc-utils-2.12-1.149.el6_6.11.s390x.rpm nscd-2.12-1.149.el6_6.11.s390x.rpm x86_64: glibc-2.12-1.149.el6_6.11.i686.rpm glibc-2.12-1.149.el6_6.11.x86_64.rpm glibc-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-devel-2.12-1.149.el6_6.11.i686.rpm glibc-devel-2.12-1.149.el6_6.11.x86_64.rpm glibc-headers-2.12-1.149.el6_6.11.x86_64.rpm glibc-utils-2.12-1.149.el6_6.11.x86_64.rpm nscd-2.12-1.149.el6_6.11.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 6.2): Source: glibc-2.12-1.47.el6_2.17.src.rpm x86_64: glibc-debuginfo-2.12-1.47.el6_2.17.i686.rpm glibc-debuginfo-2.12-1.47.el6_2.17.x86_64.rpm glibc-debuginfo-common-2.12-1.47.el6_2.17.i686.rpm glibc-debuginfo-common-2.12-1.47.el6_2.17.x86_64.rpm glibc-static-2.12-1.47.el6_2.17.i686.rpm glibc-static-2.12-1.47.el6_2.17.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 6.4): Source: glibc-2.12-1.107.el6_4.9.src.rpm x86_64: glibc-debuginfo-2.12-1.107.el6_4.9.i686.rpm glibc-debuginfo-2.12-1.107.el6_4.9.x86_64.rpm glibc-debuginfo-common-2.12-1.107.el6_4.9.i686.rpm glibc-debuginfo-common-2.12-1.107.el6_4.9.x86_64.rpm glibc-static-2.12-1.107.el6_4.9.i686.rpm glibc-static-2.12-1.107.el6_4.9.x86_64.rpm Red Hat Enterprise Linux Server Optional AUS (v. 6.5): Source: glibc-2.12-1.132.el6_5.7.src.rpm x86_64: glibc-debuginfo-2.12-1.132.el6_5.7.i686.rpm glibc-debuginfo-2.12-1.132.el6_5.7.x86_64.rpm glibc-debuginfo-common-2.12-1.132.el6_5.7.i686.rpm glibc-debuginfo-common-2.12-1.132.el6_5.7.x86_64.rpm glibc-static-2.12-1.132.el6_5.7.i686.rpm glibc-static-2.12-1.132.el6_5.7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 6.6): i386: glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-static-2.12-1.149.el6_6.11.i686.rpm ppc64: glibc-debuginfo-2.12-1.149.el6_6.11.ppc.rpm glibc-debuginfo-2.12-1.149.el6_6.11.ppc64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.ppc.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.ppc64.rpm glibc-static-2.12-1.149.el6_6.11.ppc.rpm glibc-static-2.12-1.149.el6_6.11.ppc64.rpm s390x: glibc-debuginfo-2.12-1.149.el6_6.11.s390.rpm glibc-debuginfo-2.12-1.149.el6_6.11.s390x.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.s390.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.s390x.rpm glibc-static-2.12-1.149.el6_6.11.s390.rpm glibc-static-2.12-1.149.el6_6.11.s390x.rpm x86_64: glibc-debuginfo-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-2.12-1.149.el6_6.11.x86_64.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.i686.rpm glibc-debuginfo-common-2.12-1.149.el6_6.11.x86_64.rpm glibc-static-2.12-1.149.el6_6.11.i686.rpm glibc-static-2.12-1.149.el6_6.11.x86_64.rpm Red Hat Enterprise Linux ComputeNode EUS (v. 7.1): Source: glibc-2.17-79.el7_1.4.src.rpm x86_64: glibc-2.17-79.el7_1.4.i686.rpm glibc-2.17-79.el7_1.4.x86_64.rpm glibc-common-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-common-2.17-79.el7_1.4.x86_64.rpm glibc-devel-2.17-79.el7_1.4.i686.rpm glibc-devel-2.17-79.el7_1.4.x86_64.rpm glibc-headers-2.17-79.el7_1.4.x86_64.rpm glibc-utils-2.17-79.el7_1.4.x86_64.rpm nscd-2.17-79.el7_1.4.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.1): x86_64: glibc-debuginfo-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-common-2.17-79.el7_1.4.x86_64.rpm glibc-static-2.17-79.el7_1.4.i686.rpm glibc-static-2.17-79.el7_1.4.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.1): Source: glibc-2.17-79.el7_1.4.src.rpm ppc64: glibc-2.17-79.el7_1.4.ppc.rpm glibc-2.17-79.el7_1.4.ppc64.rpm glibc-common-2.17-79.el7_1.4.ppc64.rpm glibc-debuginfo-2.17-79.el7_1.4.ppc.rpm glibc-debuginfo-2.17-79.el7_1.4.ppc64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.ppc.rpm glibc-debuginfo-common-2.17-79.el7_1.4.ppc64.rpm glibc-devel-2.17-79.el7_1.4.ppc.rpm glibc-devel-2.17-79.el7_1.4.ppc64.rpm glibc-headers-2.17-79.el7_1.4.ppc64.rpm glibc-utils-2.17-79.el7_1.4.ppc64.rpm nscd-2.17-79.el7_1.4.ppc64.rpm s390x: glibc-2.17-79.el7_1.4.s390.rpm glibc-2.17-79.el7_1.4.s390x.rpm glibc-common-2.17-79.el7_1.4.s390x.rpm glibc-debuginfo-2.17-79.el7_1.4.s390.rpm glibc-debuginfo-2.17-79.el7_1.4.s390x.rpm glibc-debuginfo-common-2.17-79.el7_1.4.s390.rpm glibc-debuginfo-common-2.17-79.el7_1.4.s390x.rpm glibc-devel-2.17-79.el7_1.4.s390.rpm glibc-devel-2.17-79.el7_1.4.s390x.rpm glibc-headers-2.17-79.el7_1.4.s390x.rpm glibc-utils-2.17-79.el7_1.4.s390x.rpm nscd-2.17-79.el7_1.4.s390x.rpm x86_64: glibc-2.17-79.el7_1.4.i686.rpm glibc-2.17-79.el7_1.4.x86_64.rpm glibc-common-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-common-2.17-79.el7_1.4.x86_64.rpm glibc-devel-2.17-79.el7_1.4.i686.rpm glibc-devel-2.17-79.el7_1.4.x86_64.rpm glibc-headers-2.17-79.el7_1.4.x86_64.rpm glibc-utils-2.17-79.el7_1.4.x86_64.rpm nscd-2.17-79.el7_1.4.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.1): Source: glibc-2.17-79.ael7b_1.4.src.rpm ppc64le: glibc-2.17-79.ael7b_1.4.ppc64le.rpm glibc-common-2.17-79.ael7b_1.4.ppc64le.rpm glibc-debuginfo-2.17-79.ael7b_1.4.ppc64le.rpm glibc-debuginfo-common-2.17-79.ael7b_1.4.ppc64le.rpm glibc-devel-2.17-79.ael7b_1.4.ppc64le.rpm glibc-headers-2.17-79.ael7b_1.4.ppc64le.rpm glibc-utils-2.17-79.ael7b_1.4.ppc64le.rpm nscd-2.17-79.ael7b_1.4.ppc64le.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.1): ppc64: glibc-debuginfo-2.17-79.el7_1.4.ppc.rpm glibc-debuginfo-2.17-79.el7_1.4.ppc64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.ppc.rpm glibc-debuginfo-common-2.17-79.el7_1.4.ppc64.rpm glibc-static-2.17-79.el7_1.4.ppc.rpm glibc-static-2.17-79.el7_1.4.ppc64.rpm s390x: glibc-debuginfo-2.17-79.el7_1.4.s390.rpm glibc-debuginfo-2.17-79.el7_1.4.s390x.rpm glibc-debuginfo-common-2.17-79.el7_1.4.s390.rpm glibc-debuginfo-common-2.17-79.el7_1.4.s390x.rpm glibc-static-2.17-79.el7_1.4.s390.rpm glibc-static-2.17-79.el7_1.4.s390x.rpm x86_64: glibc-debuginfo-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-2.17-79.el7_1.4.x86_64.rpm glibc-debuginfo-common-2.17-79.el7_1.4.i686.rpm glibc-debuginfo-common-2.17-79.el7_1.4.x86_64.rpm glibc-static-2.17-79.el7_1.4.i686.rpm glibc-static-2.17-79.el7_1.4.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.1): ppc64le: glibc-debuginfo-2.17-79.ael7b_1.4.ppc64le.rpm glibc-debuginfo-common-2.17-79.ael7b_1.4.ppc64le.rpm glibc-static-2.17-79.ael7b_1.4.ppc64le.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-2015-7547 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/articles/2161461 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFWw0rVXlSAg2UNWIIRAoWoAJ93rclEfn9JUszTFNh+0YlrV1LDvgCdHL4z ZcaJTtI1osFTTkgVY6t05d0= =2Ia0 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce