Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4216)

High Nessus Plugin ID 117514

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

Description of changes:

[4.1.12-124.19.2.el7uek]
- tcp: add tcp_ooo_try_coalesce() helper (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: call tcp_drop() from tcp_data_queue_ofo() (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: detect malicious patterns in tcp_collapse_ofo_queue() (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: avoid collapses in tcp_prune_queue() if possible (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: free batches of packets in tcp_prune_ofo_queue() (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: use an RB tree for ooo receive queue (Yaogong Wang) [Orabug: 28639707] {CVE-2018-5390}
- tcp: refine tcp_prune_ofo_queue() to not drop all packets (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: introduce tcp_under_memory_pressure() (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}
- tcp: increment sk_drops for dropped rx packets (Eric Dumazet) [Orabug: 28639707] {CVE-2018-5390}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2018-September/008033.html

https://oss.oracle.com/pipermail/el-errata/2018-September/008034.html

Plugin Details

Severity: High

ID: 117514

File Name: oraclelinux_ELSA-2018-4216.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/09/17

Updated: 2019/03/25

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware, cpe:/o:oracle:linux:6, cpe:/o:oracle:linux:7

Patch Publication Date: 2018/09/14

Vulnerability Publication Date: 2018/08/06

Reference Information

CVE: CVE-2018-5390