Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2019-4850)

High Nessus Plugin ID 131174

New! Vulnerability Priority Rating (VPR)

Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.

VPR Score: 7.9

Synopsis

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

Description

Description of changes:

[4.1.12-124.33.4.el7uek]
- ocfs2: protect extent tree in ocfs2_prepare_inode_for_write() (Shuning Zhang) [Orabug: 30036349]
- ocfs2: direct-IO: protect get_blocks (Junxiao Bi) [Orabug: 30036349]
- SUNRPC: Remove xprt_connect_status() (Trond Myklebust) [Orabug: 30165838]
- SUNRPC: Handle ENETDOWN errors (Trond Myklebust) [Orabug: 30165838]
- vhost: make sure log_num < in_num (yongduan) [Orabug: 30312787] {CVE-2019-14835}
- vhost: block speculation of translated descriptors (Michael S. Tsirkin) [Orabug: 30312787] {CVE-2019-14835}
- vhost: Fix Spectre V1 vulnerability (Jason Wang) [Orabug: 30312787]
- array_index_nospec: Sanitize speculative array de-references (Dan Williams) [Orabug: 30312787]
- net: hsr: fix memory leak in hsr_dev_finalize() (Mao Wenan) [Orabug: 30444853] {CVE-2019-16995}
- ieee802154: enforce CAP_NET_RAW for raw sockets (Ori Nimron) [Orabug: 30444946] {CVE-2019-17053}
- mISDN: enforce CAP_NET_RAW for raw sockets (Ori Nimron) [Orabug: 30445158] {CVE-2019-17055}
- net: sit: fix memory leak in sit_init_net() (Mao Wenan) [Orabug: 30445305] {CVE-2019-16994}
- media: dvb: usb: fix use after free in dvb_usb_device_exit (Oliver Neukum) [Orabug: 30490491] {CVE-2019-15213}
- media: cpia2_usb: first wake up, then free in disconnect (Oliver Neukum) [Orabug: 30511741] {CVE-2019-15215}
- media: usb:zr364xx:Fix KASAN:null-ptr-deref Read in zr364xx_vidioc_querycap (Vandana BN) [Orabug: 30532774] {CVE-2019-15217}
- target: Propagate backend read-only to core_tpg_add_lun (Nicholas Bellinger) [Orabug: 30538419]
- kvm: mmu: ITLB_MULTIHIT mitigation selection (Kanth Ghatraju) [Orabug: 30539766]
- cpu/speculation: Uninline and export CPU mitigations helpers (Kanth Ghatraju) [Orabug: 30539766]

[4.1.12-124.33.3.el7uek]
- rds: Use correct conn when dropping connections due to cancel (H&aring kon Bugge) [Orabug: 30316058]
- rds: ib: Optimize rds_ib_laddr_check (H&aring kon Bugge) [Orabug: 30327671]
- rds: Bring loop-back peer down as well (H&aring kon Bugge) [Orabug: 30271704]
- rds: ib: Avoid connect retry on loopback connections (H&aring kon Bugge) [Orabug: 30271704]
- rds: ib: Qualify CM REQ duplicate detection with connection being up (H&aring kon Bugge) [Orabug: 30062150]
- rds: Further prioritize local loop-back connections (H&aring kon Bugge) [Orabug: 30062150]
- rds: Fix initial zero delay when queuing re-connect work (H&aring kon Bugge) [Orabug: 30062150]
- rds: Re-introduce separate work-queue for local connections (H&aring kon Bugge) [Orabug: 30062150]
- rds: Re-factor and avoid superfluous queuing of shutdown work (H&aring kon Bugge) [Orabug: 29994551]
- rds: ib: Flush ARP cache when connection attempt is rejected (H&aring kon Bugge) [Orabug: 29994550]
- rds: ib: Fix incorrect setting of cp_reconnect_racing (H&aring kon Bugge) [Orabug: 29994553]
- RDMA/cma: Make # CM retries configurable (H&aring kon Bugge) [Orabug: 29994555]
- rds: Re-factor and avoid superfluous queuing of reconnect work (H&aring kon Bugge) [Orabug: 29994558]
- rds: ib: Correct the cm_id compare commit (H&aring kon Bugge) [Orabug: 29994560]
- rds: Increase entropy in hashing (H&aring kon Bugge) [Orabug: 29994561]
- rds: ib: Resurrect the CQs instead of delete+create (H&aring kon Bugge) [Orabug: 29994566]
- rds: Avoid queuing superfluous send and recv work (H&aring kon Bugge) [Orabug: 29994564]

[4.1.12-124.33.2.el7uek]
- x86/tsx: Add config options to set tsx=on|off|auto (Michal Hocko) [Orabug: 30517133] {CVE-2019-11135}
- x86/speculation/taa: Add documentation for TSX Async Abort (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- x86/tsx: Add 'auto' option to the tsx= cmdline parameter (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- kvm/x86: Export MDS_NO=0 to guests when TSX is enabled (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- x86/speculation/taa: Add sysfs reporting for TSX Async Abort (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- x86/speculation/taa: Add mitigation for TSX Async Abort (Kanth Ghatraju) [Orabug: 30517133] {CVE-2019-11135}
- x86/cpu: Add a 'tsx=' cmdline option with TSX disabled by default (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- x86/cpu: Add a helper function x86_read_arch_cap_msr() (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- x86/msr: Add the IA32_TSX_CTRL MSR (Pawan Gupta) [Orabug: 30517133] {CVE-2019-11135}
- kvm: x86: mmu: Recovery of shattered NX large pages (Junaid Shahid) [Orabug: 30517059] {CVE-2018-12207}
- kvm: Add helper function for creating VM worker threads (Junaid Shahid) [Orabug: 30517059] {CVE-2018-12207}
- kvm: mmu: ITLB_MULTIHIT mitigation (Paolo Bonzini) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: remove now unneeded hugepage gfn adjustment (Paolo Bonzini) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: make FNAME(fetch) and __direct_map more similar (Paolo Bonzini) [Orabug: 30517059] {CVE-2018-12207}
- kvm: x86: Do not release the page inside mmu_set_spte() (Junaid Shahid) [Orabug: 30517059] {CVE-2018-12207}
- x86/cpu: Add Tremont to the cpu vulnerability whitelist (Pawan Gupta) [Orabug: 30517059] {CVE-2018-12207}
- x86: Add ITLB_MULTIHIT bug infrastructure (Pawan Gupta) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Move mapping_level_dirty_bitmap() call in mapping_level() (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- Revert 'KVM: x86: use the fast way to invalidate all pages' (Sean Christopherson) [Orabug: 30517059] {CVE-2018-12207}
- kvm: Convert kvm_lock to a mutex (Junaid Shahid) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Simplify force_pt_level calculation code in FNAME(page_fault)() (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Make force_pt_level bool (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Remove unused parameter parent_pte from kvm_mmu_get_page() (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: extend usage of RET_MMIO_PF_* constants (Paolo Bonzini) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Make mmu_set_spte() return emulate value (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Move parent_pte handling from kvm_mmu_get_page() to link_shadow_page() (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}
- KVM: x86: MMU: Move initialization of parent_ptes out from kvm_mmu_alloc_page() (Takuya Yoshikawa) [Orabug: 30517059] {CVE-2018-12207}

[4.1.12-124.33.1.el7uek]
- scsi: qla2xxx: Fix NULL pointer crash due to probe failure (<A HREF='https://oss.oracle.com/mailman/listinfo/el-errata'>himanshu.madhani at cavium.com</A>) [Orabug: 30161119]
- i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA (Jeremy Compostella) [Orabug: 30210503] {CVE-2017-18551}
- scsi: qla2xxx: Ability to process multiple SGEs in Command SGL for CT passthrough commands. (Giridhar Malavali) [Orabug: 30256423]
- net-sysfs: Fix mem leak in netdev_register_kobject (YueHaibing) [Orabug: 30350263] {CVE-2019-15916}
- Drivers: hv: vmbus: add special crash handler (Vitaly Kuznetsov) [Orabug: 30374399]

Solution

Update the affected unbreakable enterprise kernel packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-November/009350.html

https://oss.oracle.com/pipermail/el-errata/2019-November/009351.html

Plugin Details

Severity: High

ID: 131174

File Name: oraclelinux_ELSA-2019-4850.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2019/11/21

Updated: 2020/10/23

Dependencies: 12634, 122878

Risk Information

Risk Factor: High

VPR Score: 7.9

CVSS Score Source: CVE-2019-14835

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

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

CVSS v3.0

Base Score: 7.8

Temporal Score: 6.8

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:U/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 Ease: No known exploits are available

Patch Publication Date: 2019/11/20

Vulnerability Publication Date: 2019/08/19

Reference Information

CVE: CVE-2017-18551, CVE-2018-12207, CVE-2019-11135, CVE-2019-14835, CVE-2019-15213, CVE-2019-15215, CVE-2019-15217, CVE-2019-15916, CVE-2019-16994, CVE-2019-16995, CVE-2019-17053, CVE-2019-17055

IAVA: 2020-A-0325-S