Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2018-4108)

high Nessus Plugin ID 109828
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

Description of changes:

[4.1.12-124.15.1.el7uek]
- netfilter: nfnetlink_cthelper: Add missing permission checks (Kevin Cernekee) [Orabug: 27260771] {CVE-2017-17448}
- netlink: Add netns check on taps (Kevin Cernekee) [Orabug: 27260799] {CVE-2017-17449}
- KVM: Fix stack-out-of-bounds read in write_mmio (Wanpeng Li) [Orabug: 27290606] {CVE-2017-17741} {CVE-2017-17741}
- xprtrdma: Detect unreachable NFS/RDMA servers more reliably (Chuck Lever) [Orabug: 27587008]
- sunrpc: Export xprt_force_disconnect() (Chuck Lever) [Orabug: 27587008]
- sunrpc: Allow xprt->ops->timer method to sleep (Chuck Lever) [Orabug: 27587008]
- KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit (Haozhong Zhang) [Orabug: 27720128]
- x86/microcode: probe CPU features on microcode update (Ankur Arora) [Orabug: 27878230]
- x86/microcode: microcode_write() should not reference boot_cpu_data (Ankur Arora) [Orabug: 27878230]
- x86/cpufeatures: use cpu_data in init_scattered_cpuid_flags() (Ankur Arora) [Orabug: 27878230]
- mm/pagewalk.c: report holes in hugetlb ranges (Jann Horn) [Orabug: 27913118] {CVE-2017-16994}
- KEYS: don't let add_key() update an uninstantiated key (David Howells) [Orabug: 27913330] {CVE-2017-15299}
- drm/vmwgfx: NULL pointer dereference in vmw_surface_define_ioctl() (Murray McAllister) [Orabug: 27913367] {CVE-2017-7294}
- vmscan: Support multiple kswapd threads per node (Buddy Lumpkin) [Orabug: 27913411]
- tcp: don't use F-RTO on non-recurring timeouts (Yuchung Cheng) [Orabug: 27901860]
- net/rds: ib: Release correct number of frags (H&aring kon Bugge) [Orabug: 27924161]
- crypto: rng - Remove old low-level rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
- crypto: drbg - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
- crypto: ansi_cprng - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
- crypto: krng - Convert to new rng interface (Herbert Xu) [Orabug: 27926676] {CVE-2017-15116}
- RDS: Heap OOB write in rds_message_alloc_sgs() (Mohamed Ghannam) [Orabug: 27934066] {CVE-2018-5332}
- net: Fix double free and memory corruption in get_net_ns_by_id() (Eric W. Biederman) [Orabug: 27934789] {CVE-2017-15129}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2018-May/007731.html

https://oss.oracle.com/pipermail/el-errata/2018-May/007732.html

Plugin Details

Severity: High

ID: 109828

File Name: oraclelinux_ELSA-2018-4108.nasl

Version: 1.7

Type: local

Agent: unix

Published: 5/16/2018

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: E:P/RL:O/RC:C

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/15/2018

Vulnerability Publication Date: 3/29/2017

Reference Information

CVE: CVE-2017-15116, CVE-2017-15129, CVE-2017-15299, CVE-2017-16994, CVE-2017-17448, CVE-2017-17449, CVE-2017-17741, CVE-2017-7294, CVE-2018-5332