[El-errata] ELSA-2019-1481 Important: Oracle Linux 7 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2019-1481

http://linux.oracle.com/errata/ELSA-2019-1481.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
bpftool-3.10.0-957.21.3.el7.x86_64.rpm
kernel-3.10.0-957.21.3.el7.x86_64.rpm
kernel-abi-whitelists-3.10.0-957.21.3.el7.noarch.rpm
kernel-debug-3.10.0-957.21.3.el7.x86_64.rpm
kernel-debug-devel-3.10.0-957.21.3.el7.x86_64.rpm
kernel-devel-3.10.0-957.21.3.el7.x86_64.rpm
kernel-doc-3.10.0-957.21.3.el7.noarch.rpm
kernel-headers-3.10.0-957.21.3.el7.x86_64.rpm
kernel-tools-3.10.0-957.21.3.el7.x86_64.rpm
kernel-tools-libs-3.10.0-957.21.3.el7.x86_64.rpm
kernel-tools-libs-devel-3.10.0-957.21.3.el7.x86_64.rpm
perf-3.10.0-957.21.3.el7.x86_64.rpm
python-perf-3.10.0-957.21.3.el7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-3.10.0-957.21.3.el7.src.rpm



Description of changes:

[3.10.0-957.21.3.el7.OL7]
- Oracle Linux certificates (Alexey Petrenko)
- Oracle Linux RHCK Module Signing Key was compiled into kernel 
(olkmod_signing_key.x509)(alexey.petrenko at oracle.com)
- Update x509.genkey [bug 24817676]

[3.10.0-957.21.3.el7]
- [net] tcp: enforce tcp_min_snd_mss in tcp_mtu_probing() (Florian 
Westphal) [1719914 1719915] {CVE-2019-11479}
- [net] tcp: add tcp_min_snd_mss sysctl (Florian Westphal) [1719914 
1719915] {CVE-2019-11479}
- [net] tcp: tcp_fragment() should apply sane memory limits (Florian 
Westphal) [1719849 1719850] {CVE-2019-11478}
- [net] tcp: limit payload size of sacked skbs (Florian Westphal) 
[1719594 1719595] {CVE-2019-11477}
- [net] tcp: pass previous skb to tcp_shifted_skb() (Florian Westphal) 
[1719594 1719595] {CVE-2019-11477}