OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0026) (SACK Panic) (SACK Slowness)

High Nessus Plugin ID 126020

Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- Add CVE numbers for CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 (Chuck Anderson) [Orabug: 29890820] (CVE-2019-11477) (CVE-2019-11478) (CVE-2019-11479) (CVE-2019-11477) (CVE-2019-11478) (CVE-2019-11479)

- tcp: fix fack_count accounting on tcp_shift_skb_data (Joao Martins) [Orabug: 29890820]

- tcp: enforce tcp_min_snd_mss in tcp_mtu_probing (Eric Dumazet) [Orabug: 29886598]

- tcp: add tcp_min_snd_mss sysctl (Eric Dumazet) [Orabug:
29884306]

- tcp: tcp_fragment should apply sane memory limits (Eric Dumazet) [Orabug: 29884306]

- tcp: limit payload size of sacked skbs (Eric Dumazet) [Orabug: 29884306]

Solution

Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2019-June/000945.html

Plugin Details

Severity: High

ID: 126020

File Name: oraclevm_OVMSA-2019-0026.nasl

Version: 1.5

Type: local

Published: 2019/06/19

Updated: 2020/01/10

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 5.8

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.4

Required KB Items: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 2019/06/18

Vulnerability Publication Date: 2019/06/19

Reference Information

CVE: CVE-2019-11477, CVE-2019-11478, CVE-2019-11479