Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4528)

Low Nessus Plugin ID 121566

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VPR Score: 4.4

Synopsis

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

Description

Description of changes:

[4.1.12-124.24.5.el7uek]
- rds: congestion updates can be missed when kernel low on memory (Mukesh Kacker) [Orabug: 28425811]
- net/rds: ib: Fix endless RNR Retries caused by memory allocation failures (Venkat Venkatsubra) [Orabug: 28127993]
- net: rds: fix excess initialization of the recv SGEs (Zhu Yanjun) [Orabug: 29004503]
- xhci: fix usb2 resume timing and races. (Mathias Nyman) [Orabug: 29028940]
- xhci: Fix a race in usb2 LPM resume, blocking U3 for usb2 devices (Mathias Nyman) [Orabug: 29028940]
- userfaultfd: check VM_MAYWRITE was set after verifying the uffd is registered (Andrea Arcangeli) [Orabug: 29163750] {CVE-2018-18397}
- userfaultfd: shmem/hugetlbfs: only allow to register VM_MAYWRITE vmas (Andrea Arcangeli) [Orabug: 29163750] {CVE-2018-18397}
- x86/apic/x2apic: set affinity of a single interrupt to one cpu (Jianchao Wang) [Orabug: 29196396]
- xen/blkback: rework validate_io_op() (Dongli Zhang) [Orabug: 29199843]
- xen/blkback: optimize validate_io_op() to filter BLKIF_OP_RESERVED_1 operation (Dongli Zhang) [Orabug: 29199843]
- xen/blkback: do not BUG() for invalid blkif_request from frontend (Dongli Zhang) [Orabug: 29199843]
- net/rds: WARNING: at net/rds/recv.c:222 rds_recv_hs_exthdrs+0xf8/0x1e0 (Venkat Venkatsubra) [Orabug: 29201779]
- xen-netback: wake up xenvif_dealloc_kthread when it should stop (Dongli Zhang) [Orabug: 29217927]
- Revert 'xfs: remove nonblocking mode from xfs_vm_writepage' (Wengang Wang) [Orabug: 29279692]
- Revert 'xfs: remove xfs_cancel_ioend' (Wengang Wang) [Orabug: 29279692]
- Revert 'xfs: Introduce writeback context for writepages' (Wengang Wang) [Orabug: 29279692]
- Revert 'xfs: xfs_cluster_write is redundant' (Wengang Wang) [Orabug: 29279692]
- Revert 'xfs: factor mapping out of xfs_do_writepage' (Wengang Wang) [Orabug: 29279692]
- Revert 'xfs: don't chain ioends during writepage submission' (Wengang Wang) [Orabug: 29279692]

[4.1.12-124.24.4.el7uek]
- mstflint: Fix coding style issues - left with LINUX_VERSION_CODE (Idan Mehalel) [Orabug: 28878697]
- mstflint: Fix coding-style issues (Idan Mehalel) [Orabug: 28878697]
- mstflint: Fix errors found with checkpatch script (Idan Mehalel) [Orabug: 28878697]
- Added support for 5th Gen devices in Secure Boot module and mtcr (Adham Masarwah) [Orabug: 28878697]
- Fix typos in mst_kernel (Adham Masarwah) [Orabug: 28878697]
- bnxt_en: Report PCIe link properties with pcie_print_link_status() (Brian Maly) [Orabug: 28942099]
- selinux: Perform both commoncap and selinux xattr checks (Eric W. Biederman) [Orabug: 28951521]
- Introduce v3 namespaced file capabilities (Serge E. Hallyn) [Orabug: 28951521]
- rds: ib: Use a delay when reconnecting to the very same IP address (H&aring kon Bugge) [Orabug: 29138813]
- Change mincore() to count 'mapped' pages rather than 'cached' pages (Linus Torvalds) [Orabug: 29187415] {CVE-2019-5489}
- NFSD: Set the attributes used to store the verifier for EXCLUSIVE4_1 (Kinglong Mee) [Orabug: 29204157]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-February/008461.html

https://oss.oracle.com/pipermail/el-errata/2019-February/008462.html

Plugin Details

Severity: Low

ID: 121566

File Name: oraclelinux_ELSA-2019-4528.nasl

Version: 1.10

Type: local

Agent: unix

Published: 2019/02/04

Updated: 2020/07/17

Dependencies: 12634, 122878

Risk Information

Risk Factor: Low

VPR Score: 4.4

CVSS Score Source: CVE-2019-5489

CVSS v2.0

Base Score: 2.1

Temporal Score: 1.6

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

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

CVSS v3.0

Base Score: 5.5

Temporal Score: 5

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

Temporal Vector: CVSS:3.0/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: 2019/02/01

Vulnerability Publication Date: 2018/12/12

Reference Information

CVE: CVE-2018-18397, CVE-2019-5489

IAVA: 2020-A-0325