RHEL 8 : kernel-rt (RHSA-2019:3309)

critical Nessus Plugin ID 130526

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Synopsis

The remote Red Hat host is missing one or more security updates for kernel-rt.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:3309 advisory.

- kernel: nfs: use-after-free in svc_process_common() (CVE-2018-16884)

- kernel: Information Disclosure in crypto_report_one in crypto/crypto_user.c (CVE-2018-19854)

- kernel: oob memory read in hso_probe in drivers/net/usb/hso.c (CVE-2018-19985)

- kernel: usb: missing size check in the __usb_get_extra_descriptor() leading to DoS (CVE-2018-20169)

- kernel: Heap address information leak while using L2CAP_GET_CONF_OPT (CVE-2019-3459)

- kernel: Heap address information leak while using L2CAP_PARSE_CONF_RSP (CVE-2019-3460)

- kernel: SCTP socket buffer memory leak leading to denial of service (CVE-2019-3874)

- kernel: denial of service vector through vfio DMA mappings (CVE-2019-3882)

- Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)

- Kernel: page cache side channel attacks (CVE-2019-5489)

- Kernel: KVM: leak of uninitialized stack contents to guest (CVE-2019-7222)

- hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)

- kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)

- kernel: null-pointer dereference in hci_uart_set_flow_control (CVE-2019-10207)

- Kernel: net: weak IP ID generation leads to remote device tracking (CVE-2019-10638)

- kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599)

- kernel: fs/ext4/extents.c leads to information disclosure (CVE-2019-11833)

- kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command (CVE-2019-11884)

- kernel: use-after-free in arch/x86/lib/insn-eval.c (CVE-2019-13233)

- Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

- kernel: out-of-bounds array access in __xfrm_policy_unlink (CVE-2019-15666)

- kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service (CVE-2019-15916)

- kernel: memory leak in genl_register_family() in net/netlink/genetlink.c (CVE-2019-15921)

- kernel: null pointer dereference in drivers/net/ethernet/intel/fm10k/fm10k_main.c (CVE-2019-15924)

- kernel: Memory leak in sit_init_net() in net/ipv6/sit.c (CVE-2019-16994)

- kernel: use-after-free read in napi_gro_frags() in the Linux kernel (CVE-2020-10720)

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 RHEL kernel-rt package based on the guidance in RHSA-2019:3309.

Plugin Details

Severity: Critical

ID: 130526

File Name: redhat-RHSA-2019-3309.nasl

Version: 1.9

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 11/6/2019

Updated: 4/29/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2019-10126

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, 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-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, cpe:/o:redhat:enterprise_linux:8

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: 11/5/2019

Vulnerability Publication Date: 12/4/2018

Reference Information

CVE: CVE-2018-16884, CVE-2018-19854, CVE-2018-19985, CVE-2018-20169, CVE-2019-10126, CVE-2019-10207, CVE-2019-10638, CVE-2019-11599, CVE-2019-11833, CVE-2019-11884, CVE-2019-13233, CVE-2019-14821, CVE-2019-15666, CVE-2019-15916, CVE-2019-15921, CVE-2019-15924, CVE-2019-16994, CVE-2019-3459, CVE-2019-3460, CVE-2019-3874, CVE-2019-3882, CVE-2019-3900, CVE-2019-5489, CVE-2019-7222, CVE-2019-9506, CVE-2020-10720

CWE: 122, 125, 200, 327, 400, 401, 416, 476, 667, 787, 835

RHSA: 2019:3309

Detections

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