Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4600)

medium Nessus Plugin ID 123961
New! Plugin Severity Now Using CVSS v3

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Synopsis

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

Description

Description of changes:

kernel-uek [3.8.13-118.32.1.el7uek]
- x86/fpu: Factor out memset(xstate, 0) in fpu_finit() paths (Oleg Nesterov) [Orabug: 29012034]
- x86/fpu: Always allow FPU in interrupt if use_eager_fpu() (Oleg Nesterov) [Orabug: 29012034]
- x86/fpu: Fix 32-bit signal frame handling (Dave Hansen) [Orabug: 29012034]
- x86/fpu: Don't do __thread_fpu_end() if use_eager_fpu() (Oleg Nesterov) [Orabug: 29012034]
- x86/fpu: Don't reset fpu_counter (Oleg Nesterov) [Orabug: 29012034]
- x86, fpu: Fix math_state_restore() race with kernel_fpu_begin() (Oleg Nesterov) [Orabug: 29012034]
- x86, fpu: Introduce per-cpu in_kernel_fpu state (Oleg Nesterov) [Orabug: 29012034]
- x86, fpu: Don't abuse has_fpu in __kernel_fpu_begin/end() (Oleg Nesterov) [Orabug: 29012034]
- x86: Allow FPU to be used at interrupt time even with eagerfpu (Pekka Riikonen) [Orabug: 29012034]
- can: gw: ensure DLC boundaries after CAN frame modification (Oliver Hartkopp) [Orabug: 29215300] {CVE-2019-3701} {CVE-2019-3701}
- ext4: verify the depth of extent tree in ext4_find_extent() (Theodore Ts'o) [Orabug: 29396713] {CVE-2018-10877} {CVE-2018-10877}
- ext4: always verify the magic number in xattr blocks (Theodore Ts'o) [Orabug: 29437128] {CVE-2018-10879} {CVE-2018-10879}
- ext4: add corruption check in ext4_xattr_set_entry() (Theodore Ts'o) [Orabug: 29437128] {CVE-2018-10879} {CVE-2018-10879}
- ext4: clear i_data in ext4_inode_info when removing inline data (Theodore Ts'o) [Orabug: 29540710] {CVE-2018-10881} {CVE-2018-10881}
- ext4: add more inode number paranoia checks (Theodore Ts'o) [Orabug: 29545567] {CVE-2018-10882} {CVE-2018-10882}

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-April/008626.html

https://oss.oracle.com/pipermail/el-errata/2019-April/008627.html

Plugin Details

Severity: Medium

ID: 123961

File Name: oraclelinux_ELSA-2019-4600.nasl

Version: 1.5

Type: local

Agent: unix

Published: 4/10/2019

Updated: 1/23/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2018-10877

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*, cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-debug:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-debug-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-devel:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-doc:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:kernel-uek-firmware:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:dtrace-modules-3.8.13-118.32.1.el6uek:*:*:*:*:*:*:*, p-cpe:2.3:a:oracle:linux:dtrace-modules-3.8.13-118.32.1.el7uek:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/9/2019

Vulnerability Publication Date: 7/18/2018

Reference Information

CVE: CVE-2018-10877, CVE-2018-10879, CVE-2018-10881, CVE-2018-10882, CVE-2019-3701