Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5801)

medium Nessus Plugin ID 139398
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VPR Score: 4.4


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


Description of changes:

- uek-rpm: Add OL6 shim conflict for new signing key (Eric Snowberg) [Orabug: 31688239] - Revert 'certs: Add Oracle's new X509 cert into the kernel keyring' (Eric Snowberg) [Orabug: 31688223] - blk-mq: don't overwrite rq->mq_ctx (Jens Axboe) [Orabug: 31457304] - blk-mq: mark ctx as pending at batch in flush plug path (Ming Lei) [Orabug: 31457304]

- scsi: qla2xxx: Fix stuck session in GNL (Quinn Tran) [Orabug: 31561461] - scsi: qla2xxx: Serialize session free in qlt_free_session_done (Quinn Tran) [Orabug: 31561461] - scsi: qla2xxx: v2: Change abort wait_loop from msleep to wait_event_timeout (Giridhar Malavali) [Orabug: 26932683] - scsi: qla2xxx: v2: Move ABTS code behind qpair (Quinn Tran) [Orabug: 31517449] - ocfs2: change slot number type s16 to u16 (Junxiao Bi) [Orabug: 31027042] - ocfs2: fix value of OCFS2_INVALID_SLOT (Junxiao Bi) [Orabug: 31027042] - ocfs2: fix panic on nfs server over ocfs2 (Junxiao Bi) [Orabug: 31027042] - ocfs2: load global_inode_alloc (Junxiao Bi) [Orabug: 31027042] - ocfs2: avoid inode removal while nfsd is accessing it (Junxiao Bi) [Orabug: 31027042] - block_dev: don't test bdev->bd_contains when it is not stable (NeilBrown) [Orabug: 31554143] - KVM: x86: Remove spurious semicolon (Joao Martins) [Orabug: 31584727]

- media: rc: prevent memory leak in cx23888_ir_probe (Navid Emamdoost) [Orabug: 31351672] {CVE-2019-19054}
- vfio/pci: Fix SR-IOV VF handling with MMIO blocking (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
- vfio/pci: Mask buggy SR-IOV VF INTx support (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
- vfio-pci: Invalidate mmaps and block MMIO access on disabled memory (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888} {CVE-2020-12888}
- vfio/pci: Pull BAR mapping setup from read-write path (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
- vfio_pci: Enable memory accesses before calling pci_map_rom (Eric Auger) [Orabug: 31439671] {CVE-2020-12888}
- vfio-pci: Fault mmaps to enable vma tracking (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
- vfio/type1: Support faulting PFNMAP vmas (Alex Williamson) [Orabug: 31439671] {CVE-2020-12888}
- mm: bring in additional flag for fixup_user_fault to signal unlock (Dominik Dingel) [Orabug: 31439671] {CVE-2020-12888}
- vfio/type1: Fix VA->PA translation for PFNMAP VMAs in vaddr_get_pfn() (Sean Christopherson) [Orabug: 31439671] {CVE-2020-12888}
- x86/mitigations: reset default value for srbds_mitigation (Mihai Carabas) [Orabug: 31514993] - x86/cpu: clear X86_BUG_SRBDS before late loading (Mihai Carabas) [Orabug: 31514993] - x86/mitigations: update MSRs on all CPUs for SRBDS (Mihai Carabas) [Orabug: 31514993] - Revert 'x86/efi: Request desired alignment via the PE/COFF headers' (Matt Fleming) [Orabug: 31602576]

- can, slip: Protect tty->disc_data in write_wakeup and close with RCU (Richard Palethorpe) [Orabug: 31516085] {CVE-2020-14416}
- scsi: qla2xxx: Fix warning in qla2x00_async_iocb_timeout() (<A HREF=''>himanshu.madhani at</A>) [Orabug: 31530589] - scsi: qla2xxx: Fix NULL pointer access for fcport structure (Quinn Tran) [Orabug: 31530589]


Update the affected unbreakable enterprise kernel packages.

See Also

Plugin Details

Severity: Medium

ID: 139398

File Name: oraclelinux_ELSA-2020-5801.nasl

Version: 1.2

Type: local

Agent: unix

Published: 8/7/2020

Updated: 8/11/2020

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

Risk Factor: Medium

VPR Score: 4.4

CVSS Score Source: CVE-2020-14416

CVSS v2.0

Base Score: 4.7

Temporal Score: 3.5

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

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

CVSS v3.0

Base Score: 4.2

Temporal Score: 3.7

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

Temporal Vector: 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: 8/6/2020

Vulnerability Publication Date: 11/18/2019

Reference Information

CVE: CVE-2019-19054, CVE-2020-12888, CVE-2020-14416