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===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel security and bug fix update Advisory ID: RHSA-2020:2522-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2522 Issue date: 2020-06-10 CVE Names: CVE-2017-18595 CVE-2018-7191 CVE-2018-20169 CVE-2019-3901 CVE-2019-9503 CVE-2019-10639 CVE-2019-12382 CVE-2019-13233 CVE-2019-14283 CVE-2019-15916 CVE-2019-19768 CVE-2020-10711 =====================================================================
1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 7.7 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. 7.7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, ppc64le, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c (CVE-2017-18595)
* kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)
* Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
* kernel: denial of service via ioctl call in network tun handling (CVE-2018-7191)
* kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)
* kernel: perf_event_open() and execve() race in setuid programs allows a data leak (CVE-2019-3901)
* kernel: brcmfmac frame validation bypass (CVE-2019-9503)
* kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service (CVE-2019-12382)
* kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)
* kernel: integer overflow and OOB read in drivers/block/floppy.c (CVE-2019-14283)
* kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)
* Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Backport: Guest microcode version mismatch on secondary processors (BZ#1814002)
* Realtek 8111, 8112 stop working after upgrading to 3.10.0-1062 (BZ#1814601)
* [mlx5] Crash on reboot while having VF configured and in switchdev mode (BZ#1814800)
* qla2xxx: Urgent driver fix needed. Initiator does not relogin to target after receiving an explicit logout (BZ#1815595)
* High iSCSI read latency resolved by 'tcp: implement coalescing on backlog queue' (BZ#1817498)
* [RHEL7.8][Azure]Commits to resolve high network latency (BZ#1817934)
* NETDEV WATCHDOG: enp3s0 (r8169): transmit queue 0 timed out (BZ#1822541)
* RHEL7: block mq hang of a blk_mq_freeze_queue_wait(), which waits for a zero of a q_usage_counter, which never happens (BZ#1824545)
* Kernel crashes with a message fs/fscache/operation.c:449! (BZ#1826293)
* kernel BUG at fs/fscache/operation.c:70! FS-Cache: 4 == 5 is false - current state is FSCACHE_OP_ST_COMPLETE but should be FSCACHE_OP_CANCELLED in fscache_enqueue_operation (BZ#1839756)
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/):
1660385 - CVE-2018-20169 kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS 1701245 - CVE-2019-3901 kernel: perf_event_open() and execve() race in setuid programs allows a data leak 1701842 - CVE-2019-9503 kernel: brcmfmac frame validation bypass 1715554 - CVE-2019-12382 kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service 1716328 - CVE-2018-7191 kernel: denial of service via ioctl call in network tun handling 1727756 - CVE-2019-13233 kernel: use-after-free in arch/x86/lib/insn-eval.c 1729933 - CVE-2019-10639 Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR 1734243 - CVE-2019-14283 kernel: integer overflow and OOB read in drivers/block/floppy.c 1750813 - CVE-2019-15916 kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service 1758671 - CVE-2017-18595 kernel: double free may be caused by the function allocate_trace_buffer in the file kernel/trace/trace.c 1786164 - CVE-2019-19768 kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c 1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic
6. Package List:
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7):
Source: kernel-3.10.0-1062.26.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1062.26.1.el7.noarch.rpm kernel-doc-3.10.0-1062.26.1.el7.noarch.rpm
x86_64: bpftool-3.10.0-1062.26.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.26.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.26.1.el7.x86_64.rpm perf-3.10.0-1062.26.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7):
x86_64: bpftool-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.26.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 7.7):
Source: kernel-3.10.0-1062.26.1.el7.src.rpm
noarch: kernel-abi-whitelists-3.10.0-1062.26.1.el7.noarch.rpm kernel-doc-3.10.0-1062.26.1.el7.noarch.rpm
ppc64: bpftool-3.10.0-1062.26.1.el7.ppc64.rpm bpftool-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-3.10.0-1062.26.1.el7.ppc64.rpm kernel-bootwrapper-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debug-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debug-devel-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1062.26.1.el7.ppc64.rpm kernel-devel-3.10.0-1062.26.1.el7.ppc64.rpm kernel-headers-3.10.0-1062.26.1.el7.ppc64.rpm kernel-tools-3.10.0-1062.26.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-tools-libs-3.10.0-1062.26.1.el7.ppc64.rpm perf-3.10.0-1062.26.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm python-perf-3.10.0-1062.26.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm
ppc64le: bpftool-3.10.0-1062.26.1.el7.ppc64le.rpm bpftool-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-bootwrapper-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debug-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-devel-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-headers-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-tools-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-tools-libs-3.10.0-1062.26.1.el7.ppc64le.rpm perf-3.10.0-1062.26.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm python-perf-3.10.0-1062.26.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm
s390x: bpftool-3.10.0-1062.26.1.el7.s390x.rpm bpftool-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm kernel-3.10.0-1062.26.1.el7.s390x.rpm kernel-debug-3.10.0-1062.26.1.el7.s390x.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm kernel-debug-devel-3.10.0-1062.26.1.el7.s390x.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm kernel-debuginfo-common-s390x-3.10.0-1062.26.1.el7.s390x.rpm kernel-devel-3.10.0-1062.26.1.el7.s390x.rpm kernel-headers-3.10.0-1062.26.1.el7.s390x.rpm kernel-kdump-3.10.0-1062.26.1.el7.s390x.rpm kernel-kdump-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm kernel-kdump-devel-3.10.0-1062.26.1.el7.s390x.rpm perf-3.10.0-1062.26.1.el7.s390x.rpm perf-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm python-perf-3.10.0-1062.26.1.el7.s390x.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.s390x.rpm
x86_64: bpftool-3.10.0-1062.26.1.el7.x86_64.rpm bpftool-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-devel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.26.1.el7.x86_64.rpm kernel-devel-3.10.0-1062.26.1.el7.x86_64.rpm kernel-headers-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-libs-3.10.0-1062.26.1.el7.x86_64.rpm perf-3.10.0-1062.26.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 7.7):
ppc64: bpftool-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-debuginfo-common-ppc64-3.10.0-1062.26.1.el7.ppc64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm kernel-tools-libs-devel-3.10.0-1062.26.1.el7.ppc64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.ppc64.rpm
ppc64le: bpftool-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debug-devel-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-debuginfo-common-ppc64le-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm kernel-tools-libs-devel-3.10.0-1062.26.1.el7.ppc64le.rpm perf-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm python-perf-debuginfo-3.10.0-1062.26.1.el7.ppc64le.rpm
x86_64: bpftool-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debug-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-debuginfo-common-x86_64-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm kernel-tools-libs-devel-3.10.0-1062.26.1.el7.x86_64.rpm perf-debuginfo-3.10.0-1062.26.1.el7.x86_64.rpm python-perf-debuginfo-3.10.0-1062.26.1.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-2017-18595 https://access.redhat.com/security/cve/CVE-2018-7191 https://access.redhat.com/security/cve/CVE-2018-20169 https://access.redhat.com/security/cve/CVE-2019-3901 https://access.redhat.com/security/cve/CVE-2019-9503 https://access.redhat.com/security/cve/CVE-2019-10639 https://access.redhat.com/security/cve/CVE-2019-12382 https://access.redhat.com/security/cve/CVE-2019-13233 https://access.redhat.com/security/cve/CVE-2019-14283 https://access.redhat.com/security/cve/CVE-2019-15916 https://access.redhat.com/security/cve/CVE-2019-19768 https://access.redhat.com/security/cve/CVE-2020-10711 https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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