Oracle Linux 6 : Unbreakable Enterprise kernel (ELSA-2018-4041)

high Nessus Plugin ID 107052
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VPR Score: 6.7


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


Description of changes:

- ext4: limit group search loop for non-extent files (Lachlan McIlroy) [Orabug: 17488415]
- ext4: fixup 64-bit divides in 3.0-stable backport of upstream fix (Todd Poynor) [Orabug: 17488415]
- ext4: use atomic64_t for the per-flexbg free_clusters count (Theodore Ts'o) [Orabug: 17488415]
- ext4: init pagevec in ext4_da_block_invalidatepages (Eric Sandeen) [Orabug: 17488415]
- ext4: do not try to write superblock on ro remount w/o journal (Michael Tokarev) [Orabug: 17488415]
- xen-netback: fix grant_copy_op array size (Niranjan Patil) [Orabug: 25653941]
- xen-netback: explicitly check max_slots_needed against meta_prod counter (Niranjan Patil) [Orabug: 25653941]
- xen-netback: Fix handling of skbs requiring too many slots (Zoltan Kiss) [Orabug: 25653941]
- xen-netback: worse-case estimate in xenvif_rx_action is underestimating (Paul Durrant) [Orabug: 25653941]
- xen-netback: Add worse-case estimates of max_slots_needed in netbk_rx_action (Niranjan Patil) [Orabug: 25653941]
- KEYS: Remove key_type::match in favour of overriding default by match_preparse (Tim Tianyang Chen) [Orabug: 25757946] {CVE-2017-6951}
- xen/mmu: Call xen_cleanhighmap() with 4MB aligned for page tables mapping (Zhenzhong Duan) [Orabug: 26737475]
- tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 (Wei Wang) [Orabug: 26813391] {CVE-2017-14106}
- rxrpc: Fix several cases where a padded len isn't checked in ticket decode (David Howells) [Orabug: 26880520] {CVE-2017-7482} {CVE-2017-7482}
- ocfs2: fstrim: Fix start offset of first cluster group during fstrim (Ashish Samant) [Orabug: 27099836]
- Check validity of cl_rpcclient in nfs_server_list_show (Malahal Naineni) [Orabug: 27112186]
- USB: serial: console: fix use-after-free after failed setup (Johan Hovold) [Orabug: 27206839] {CVE-2017-16525}
- ALSA: usb-audio: Check out-of-bounds access by corrupted buffer descriptor (Takashi Iwai) [Orabug: 27206934] {CVE-2017-16529}
- USB: fix out-of-bounds in usb_set_configuration (Greg Kroah-Hartman) [Orabug: 27207243] {CVE-2017-16531}
- dccp: CVE-2017-8824: use-after-free in DCCP code (Mohamed Ghannam) [Orabug: 27290308] {CVE-2017-8824}


Update the affected unbreakable enterprise kernel packages.

See Also

Plugin Details

Severity: High

ID: 107052

File Name: oraclelinux_ELSA-2018-4041.nasl

Version: 3.7

Type: local

Agent: unix

Published: 2/28/2018

Updated: 9/27/2019

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3.0

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: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*, 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:*:*:*:*:*:*:*

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/27/2018

Vulnerability Publication Date: 3/16/2017

Reference Information

CVE: CVE-2017-8824, CVE-2017-14106, CVE-2017-16525, CVE-2017-16529, CVE-2017-16531, CVE-2017-6951, CVE-2017-7482