Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4510)

High Nessus Plugin ID 121202

Synopsis

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

Description

Description of changes:

[4.1.12-124.24.3.el7uek]
- ext4: update i_disksize when new eof exceeds it (Shan Hai) [Orabug: 28940828] - ext4: update i_disksize if direct write past ondisk size (Eryu Guan) [Orabug: 28940828] - ext4: protect i_disksize update by i_data_sem in direct write path (Eryu Guan) [Orabug: 28940828] - ALSA: usb-audio: Fix UAF decrement if card has no live interfaces in card.c (Hui Peng) [Orabug: 29042981] {CVE-2018-19824}
- ALSA: usb-audio: Replace probing flag with active refcount (Takashi Iwai) [Orabug: 29042981] {CVE-2018-19824}
- ALSA: usb-audio: Avoid nested autoresume calls (Takashi Iwai) [Orabug: 29042981] {CVE-2018-19824}
- ext4: validate that metadata blocks do not overlap superblock (Theodore Ts'o) [Orabug: 29114440] {CVE-2018-1094}
- ext4: update inline int ext4_has_metadata_csum(struct super_block *sb) (John Donnelly) [Orabug: 29114440] {CVE-2018-1094}
- ext4: always initialize the crc32c checksum driver (Theodore Ts'o) [Orabug: 29114440] {CVE-2018-1094} {CVE-2018-1094}
- Revert 'bnxt_en: Reduce default rings on multi-port cards.' (Brian Maly) [Orabug: 28687746] - mlx4_core: Disable P_Key Violation Traps (H&aring kon Bugge) [Orabug: 27693633] - rds: RDS connection does not reconnect after CQ access violation error (Venkat Venkatsubra) [Orabug: 28733324]

[4.1.12-124.24.2.el7uek]
- KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL (KarimAllah Ahmed) [Orabug: 28069548] - KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
- reloaded (Mihai Carabas) [Orabug: 28069548] - KVM/x86: Add IBPB support (Ashok Raj) [Orabug: 28069548] - KVM: x86: pass host_initiated to functions that read MSRs (Paolo Bonzini) [Orabug: 28069548] - KVM: VMX: make MSR bitmaps per-VCPU (Paolo Bonzini) [Orabug: 28069548] - KVM: VMX: introduce alloc_loaded_vmcs (Paolo Bonzini) [Orabug: 28069548] - KVM: nVMX: Eliminate vmcs02 pool (Jim Mattson) [Orabug: 28069548] - KVM: nVMX: fix msr bitmaps to prevent L2 from accessing L0 x2APIC (Radim Kr&#x10D m&aacute &#x159 ) [Orabug: 28069548] - ocfs2: don't clear bh uptodate for block read (Junxiao Bi) [Orabug: 28762940] - ocfs2: clear journal dirty flag after shutdown journal (Junxiao Bi) [Orabug: 28924775] - ocfs2: fix panic due to unrecovered local alloc (Junxiao Bi) [Orabug: 28924775] - net: rds: fix rds_ib_sysctl_max_recv_allocation error (Zhu Yanjun) [Orabug: 28947481] - x86/speculation: Always disable IBRS in disable_ibrs_and_friends() (Alejandro Jimenez) [Orabug: 29139710]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-January/008371.html

https://oss.oracle.com/pipermail/el-errata/2019-January/008372.html

Plugin Details

Severity: High

ID: 121202

File Name: oraclelinux_ELSA-2019-4510.nasl

Version: 1.7

Type: local

Agent: unix

Published: 2019/01/16

Updated: 2019/09/27

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.1

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

CVSS v3.0

Base Score: 7.8

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

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

Patch Publication Date: 2019/01/15

Vulnerability Publication Date: 2018/04/02

Reference Information

CVE: CVE-2018-1094, CVE-2018-19824