RHEL 7 : kernel-rt (RHSA-2018:3096)

high Nessus Plugin ID 118528

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:3096 advisory.

- kernel: AIO write triggers integer overflow in some protocols (CVE-2015-8830)

- kernel: Information leak when handling NM entries containing NUL (CVE-2016-4913)

- kernel: Use-after-free in snd_pcm_info function in ALSA subsystem potentially leads to privilege escalation (CVE-2017-0861)

- kernel: Handling of might_cancel queueing is not properly pretected against race (CVE-2017-10661)

- kernel: Salsa20 encryption algorithm does not correctly handle zero-length inputs allowing local attackers to cause denial-of-service (CVE-2017-17805)

- kernel: Inifinite loop vulnerability in mm/madvise.c:madvise_willneed() function allows local denial of service (CVE-2017-18208)

- kernel: Mishandling mutex within libsas allowing local Denial of Service (CVE-2017-18232)

- kernel: out-of-bounds access in the show_timer function in kernel/time/posix-timers.c (CVE-2017-18344)

- kernel: Division by zero in change_port_settings in drivers/usb/serial/io_ti.c resulting in a denial of service (CVE-2017-18360)

- kernel: NULL pointer dereference in ext4/mballoc.c:ext4_process_freed_data() when mounting crafted ext4 image (CVE-2018-1092)

- kernel: NULL pointer dereference in ext4/xattr.c:ext4_xattr_inode_hash() causes crash with crafted ext4 image (CVE-2018-1094)

- kernel: vhost: Information disclosure in vhost/vhost.c:vhost_new_msg() (CVE-2018-1118)

- kernel: fuse-backed file mmap-ed onto process cmdline arguments causes denial of service (CVE-2018-1120)

- kernel: a null pointer dereference in net/dccp/output.c:dccp_write_xmit() leads to a system crash (CVE-2018-1130)

- kernel: drivers/block/loop.c mishandles lo_release serialization allowing denial-of-service (CVE-2018-5344)

- kernel: IP fragments with random offsets allow a remote denial of service (FragmentSmack) (CVE-2018-5391)

- kernel: Missing length check of payload in net/sctp/sm_make_chunk.c:_sctp_make_chunk() function allows denial of service (CVE-2018-5803)

- kernel: buffer overflow in drivers/net/wireless/ath/wil6210/wmi.c:wmi_set_ie() may lead to memory corruption (CVE-2018-5848)

- kernel: Denial of service in resv_map_release function in mm/hugetlb.c (CVE-2018-7740)

- kernel: Memory leak in the sas_smp_get_phy_events function in drivers/scsi/libsas/sas_expander.c (CVE-2018-7757)

- kernel: Integer overflow in drivers/gpu/drm/udl/udl_fb.c:udl_fb_mmap() can allow attackers to execute code in kernel space (CVE-2018-8781)

- kernel: Invalid pointer dereference in xfs_ilock_attr_map_shared() when mounting crafted xfs image allowing denial of service (CVE-2018-10322)

- kernel: out-of-bound write in ext4_init_block_bitmap function with a crafted ext4 image (CVE-2018-10878)

- kernel: use-after-free detected in ext4_xattr_set_entry with a crafted file (CVE-2018-10879)

- kernel: out-of-bound access in ext4_get_group_info() when mounting and operating a crafted ext4 image (CVE-2018-10881)

- kernel: stack-out-of-bounds write in jbd2_journal_dirty_metadata function (CVE-2018-10883)

- kernel: MIDI driver race condition leads to a double-free (CVE-2018-10902)

- kernel: incorrect memory bounds check in drivers/cdrom/cdrom.c (CVE-2018-10940)

- kernel: Missing check in fs/inode.c:inode_init_owner() does not clear SGID bit on non-directories for non- members (CVE-2018-13405)

- kernel: filesystem corruption due to an unchecked error condition during an xfs attribute change (CVE-2018-18690)

- kernel: Improper validation in bnx2x network card driver can allow for denial of service attacks via crafted packet (CVE-2018-1000026)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://access.redhat.com/articles/3553061

http://www.nessus.org/u?a3064613

http://www.nessus.org/u?b296ae64

https://access.redhat.com/errata/RHSA-2018:3096

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=1314275

https://bugzilla.redhat.com/show_bug.cgi?id=1337528

https://bugzilla.redhat.com/show_bug.cgi?id=1481136

https://bugzilla.redhat.com/show_bug.cgi?id=1510602

https://bugzilla.redhat.com/show_bug.cgi?id=1512875

https://bugzilla.redhat.com/show_bug.cgi?id=1528312

https://bugzilla.redhat.com/show_bug.cgi?id=1533909

https://bugzilla.redhat.com/show_bug.cgi?id=1541846

https://bugzilla.redhat.com/show_bug.cgi?id=1551051

https://bugzilla.redhat.com/show_bug.cgi?id=1551565

https://bugzilla.redhat.com/show_bug.cgi?id=1552867

https://bugzilla.redhat.com/show_bug.cgi?id=1553351

https://bugzilla.redhat.com/show_bug.cgi?id=1553361

https://bugzilla.redhat.com/show_bug.cgi?id=1558066

https://bugzilla.redhat.com/show_bug.cgi?id=1560777

https://bugzilla.redhat.com/show_bug.cgi?id=1560788

https://bugzilla.redhat.com/show_bug.cgi?id=1563994

https://bugzilla.redhat.com/show_bug.cgi?id=1569910

https://bugzilla.redhat.com/show_bug.cgi?id=1571062

https://bugzilla.redhat.com/show_bug.cgi?id=1571623

https://bugzilla.redhat.com/show_bug.cgi?id=1573699

https://bugzilla.redhat.com/show_bug.cgi?id=1575472

https://bugzilla.redhat.com/show_bug.cgi?id=1576419

https://bugzilla.redhat.com/show_bug.cgi?id=1577408

https://bugzilla.redhat.com/show_bug.cgi?id=1590720

https://bugzilla.redhat.com/show_bug.cgi?id=1590799

https://bugzilla.redhat.com/show_bug.cgi?id=1596802

https://bugzilla.redhat.com/show_bug.cgi?id=1596806

https://bugzilla.redhat.com/show_bug.cgi?id=1596828

https://bugzilla.redhat.com/show_bug.cgi?id=1596846

https://bugzilla.redhat.com/show_bug.cgi?id=1599161

https://bugzilla.redhat.com/show_bug.cgi?id=1608672

https://bugzilla.redhat.com/show_bug.cgi?id=1609664

https://bugzilla.redhat.com/show_bug.cgi?id=1610958

Plugin Details

Severity: High

ID: 118528

File Name: redhat-RHSA-2018-3096.nasl

Version: 1.17

Type: local

Agent: unix

Published: 10/31/2018

Updated: 4/27/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

CVSS Score Source: CVE-2017-10661

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

CVSS Score Source: CVE-2018-8781

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-doc, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-trace-kvm, cpe:/o:redhat:enterprise_linux:7

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/30/2018

Vulnerability Publication Date: 5/2/2016

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2015-8830, CVE-2016-4913, CVE-2017-0861, CVE-2017-10661, CVE-2017-17805, CVE-2017-18208, CVE-2017-18232, CVE-2017-18344, CVE-2017-18360, CVE-2018-1000026, CVE-2018-10322, CVE-2018-10878, CVE-2018-10879, CVE-2018-10881, CVE-2018-10883, CVE-2018-10902, CVE-2018-1092, CVE-2018-1094, CVE-2018-10940, CVE-2018-1118, CVE-2018-1120, CVE-2018-1130, CVE-2018-13405, CVE-2018-18690, CVE-2018-5344, CVE-2018-5391, CVE-2018-5803, CVE-2018-5848, CVE-2018-7740, CVE-2018-7757, CVE-2018-8781

CWE: 119, 120, 122, 125, 190, 20, 200, 284, 362, 369, 391, 400, 416, 476, 787, 833, 835

RHSA: 2018:3096