RedHat: RHSA-2017-2869:01 Important: kernel security and bug fix update
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* A race condition was found in the Linux kernel, present since v3.14-rc1
through v4.12. The race happens between threads of inotify_handle_event()
and vfs_rename() while running the rename operation against the same file.
As a result of the race the next slab data or the slab's free list pointer
can be corrupted with attacker-controlled data, which may lead to the
privilege escalation. (CVE-2017-7533, Important)
Red Hat would like to thank Leilei Lin (Alibaba Group), Fan Wu (The
University of Hong Kong), and Shixiong Zhao (The University of Hong Kong)
for reporting this issue.
Bug Fix(es):
* Previously, the 'stack:TID' annotation was applied to correctly mark the
thread stack in a /proc/
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2017-7533 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux ComputeNode EUS (v. 7.2):
Source:
kernel-3.10.0-327.61.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-327.61.3.el7.noarch.rpm
kernel-doc-3.10.0-327.61.3.el7.noarch.rpm
x86_64:
kernel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.61.3.el7.x86_64.rpm
kernel-devel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-headers-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.61.3.el7.x86_64.rpm
perf-3.10.0-327.61.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.2):
x86_64:
kernel-debug-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.61.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.2):
Source:
kernel-3.10.0-327.61.3.el7.src.rpm
noarch:
kernel-abi-whitelists-3.10.0-327.61.3.el7.noarch.rpm
kernel-doc-3.10.0-327.61.3.el7.noarch.rpm
ppc64:
kernel-3.10.0-327.61.3.el7.ppc64.rpm
kernel-bootwrapper-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debug-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debug-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debug-devel-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-327.61.3.el7.ppc64.rpm
kernel-devel-3.10.0-327.61.3.el7.ppc64.rpm
kernel-headers-3.10.0-327.61.3.el7.ppc64.rpm
kernel-tools-3.10.0-327.61.3.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-tools-libs-3.10.0-327.61.3.el7.ppc64.rpm
perf-3.10.0-327.61.3.el7.ppc64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
python-perf-3.10.0-327.61.3.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
ppc64le:
kernel-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-bootwrapper-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debug-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debug-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-devel-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-headers-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-tools-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-tools-libs-3.10.0-327.61.3.el7.ppc64le.rpm
perf-3.10.0-327.61.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
python-perf-3.10.0-327.61.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
s390x:
kernel-3.10.0-327.61.3.el7.s390x.rpm
kernel-debug-3.10.0-327.61.3.el7.s390x.rpm
kernel-debug-debuginfo-3.10.0-327.61.3.el7.s390x.rpm
kernel-debug-devel-3.10.0-327.61.3.el7.s390x.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.s390x.rpm
kernel-debuginfo-common-s390x-3.10.0-327.61.3.el7.s390x.rpm
kernel-devel-3.10.0-327.61.3.el7.s390x.rpm
kernel-headers-3.10.0-327.61.3.el7.s390x.rpm
kernel-kdump-3.10.0-327.61.3.el7.s390x.rpm
kernel-kdump-debuginfo-3.10.0-327.61.3.el7.s390x.rpm
kernel-kdump-devel-3.10.0-327.61.3.el7.s390x.rpm
perf-3.10.0-327.61.3.el7.s390x.rpm
perf-debuginfo-3.10.0-327.61.3.el7.s390x.rpm
python-perf-3.10.0-327.61.3.el7.s390x.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.s390x.rpm
x86_64:
kernel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.61.3.el7.x86_64.rpm
kernel-devel-3.10.0-327.61.3.el7.x86_64.rpm
kernel-headers-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-327.61.3.el7.x86_64.rpm
perf-3.10.0-327.61.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.2):
ppc64:
kernel-debug-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-debuginfo-common-ppc64-3.10.0-327.61.3.el7.ppc64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
kernel-tools-libs-devel-3.10.0-327.61.3.el7.ppc64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.ppc64.rpm
ppc64le:
kernel-debug-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debug-devel-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-debuginfo-common-ppc64le-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
kernel-tools-libs-devel-3.10.0-327.61.3.el7.ppc64le.rpm
perf-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
python-perf-debuginfo-3.10.0-327.61.3.el7.ppc64le.rpm
x86_64:
kernel-debug-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-debuginfo-common-x86_64-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-327.61.3.el7.x86_64.rpm
perf-debuginfo-3.10.0-327.61.3.el7.x86_64.rpm
python-perf-debuginfo-3.10.0-327.61.3.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/
Topic
An update for kernel is now available for Red Hat Enterprise Linux 7.2Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
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
Bugs Fixed
1468283 - CVE-2017-7533 kernel: a race between inotify_handle_event() and sys_rename()