-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: kernel security update Advisory ID: RHSA-2017:2794-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2017:2794 Issue date: 2017-09-26 CVE Names: CVE-2017-1000253 ===================================================================== 1. Summary: An update for kernel is now available for Red Hat Enterprise Linux 7.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. 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 ComputeNode EUS (v. 7.2) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.2) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.2) - ppc64, ppc64le, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * A flaw was found in the way the Linux kernel loaded ELF executables. Provided that an application was built as Position Independent Executable (PIE), the loader could allow part of that application's data segment to map over the memory area reserved for its stack, potentially resulting in memory corruption. An unprivileged local user with access to SUID (or otherwise privileged) PIE binary could use this flaw to escalate their privileges on the system. (CVE-2017-1000253, Important) Red Hat would like to thank Qualys Research Labs for reporting this issue. 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 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1492212 - CVE-2017-1000253 kernel: load_elf_ binary() does not take account of the need to allocate sufficient space for the entire binary 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.2): Source: kernel-3.10.0-327.59.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.59.3.el7.noarch.rpm kernel-doc-3.10.0-327.59.3.el7.noarch.rpm x86_64: kernel-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.59.3.el7.x86_64.rpm kernel-devel-3.10.0-327.59.3.el7.x86_64.rpm kernel-headers-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.59.3.el7.x86_64.rpm perf-3.10.0-327.59.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm python-perf-3.10.0-327.59.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2): x86_64: kernel-debug-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.59.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.2): Source: kernel-3.10.0-327.59.3.el7.src.rpm noarch: kernel-abi-whitelists-3.10.0-327.59.3.el7.noarch.rpm kernel-doc-3.10.0-327.59.3.el7.noarch.rpm ppc64: kernel-3.10.0-327.59.3.el7.ppc64.rpm kernel-bootwrapper-3.10.0-327.59.3.el7.ppc64.rpm kernel-debug-3.10.0-327.59.3.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-debug-devel-3.10.0-327.59.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.59.3.el7.ppc64.rpm kernel-devel-3.10.0-327.59.3.el7.ppc64.rpm kernel-headers-3.10.0-327.59.3.el7.ppc64.rpm kernel-tools-3.10.0-327.59.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-tools-libs-3.10.0-327.59.3.el7.ppc64.rpm perf-3.10.0-327.59.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm python-perf-3.10.0-327.59.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm ppc64le: kernel-3.10.0-327.59.3.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debug-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.59.3.el7.ppc64le.rpm kernel-devel-3.10.0-327.59.3.el7.ppc64le.rpm kernel-headers-3.10.0-327.59.3.el7.ppc64le.rpm kernel-tools-3.10.0-327.59.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-tools-libs-3.10.0-327.59.3.el7.ppc64le.rpm perf-3.10.0-327.59.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm python-perf-3.10.0-327.59.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm s390x: kernel-3.10.0-327.59.3.el7.s390x.rpm kernel-debug-3.10.0-327.59.3.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-327.59.3.el7.s390x.rpm kernel-debug-devel-3.10.0-327.59.3.el7.s390x.rpm kernel-debuginfo-3.10.0-327.59.3.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-327.59.3.el7.s390x.rpm kernel-devel-3.10.0-327.59.3.el7.s390x.rpm kernel-headers-3.10.0-327.59.3.el7.s390x.rpm kernel-kdump-3.10.0-327.59.3.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-327.59.3.el7.s390x.rpm kernel-kdump-devel-3.10.0-327.59.3.el7.s390x.rpm perf-3.10.0-327.59.3.el7.s390x.rpm perf-debuginfo-3.10.0-327.59.3.el7.s390x.rpm python-perf-3.10.0-327.59.3.el7.s390x.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.s390x.rpm x86_64: kernel-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debug-devel-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.59.3.el7.x86_64.rpm kernel-devel-3.10.0-327.59.3.el7.x86_64.rpm kernel-headers-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-libs-3.10.0-327.59.3.el7.x86_64.rpm perf-3.10.0-327.59.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm python-perf-3.10.0-327.59.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.2): ppc64: kernel-debug-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-327.59.3.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-327.59.3.el7.ppc64.rpm perf-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.ppc64.rpm ppc64le: kernel-debug-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debug-devel-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-327.59.3.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-327.59.3.el7.ppc64le.rpm perf-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.ppc64le.rpm x86_64: kernel-debug-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-327.59.3.el7.x86_64.rpm perf-debuginfo-3.10.0-327.59.3.el7.x86_64.rpm python-perf-debuginfo-3.10.0-327.59.3.el7.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-2017-1000253 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/security/vulnerabilities/3189592 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFZypjwXlSAg2UNWIIRAoU4AJ990DSmEirx6/WDhyZATGOENWOOAgCfQR+y bt7XjZaV/C5xIpWXNpP04TY= =6+2N -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce