CentOS 8 : kernel (CESA-2020:1769)

critical Nessus Plugin ID 145850
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The remote CentOS host is missing one or more security updates.


The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:1769 advisory.

- kernel: nfs: NULL pointer dereference due to an anomalized NFS message sequence (CVE-2018-16871)

- Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR (CVE-2019-10639)

- kernel: use-after-free in function __mdiobus_register() in drivers/net/phy/mdio_bus.c (CVE-2019-12819)

- kernel: An out-of-bounds read in drivers/scsi/qedi/qedi_dbg.c leading to crash or information disclosure (CVE-2019-15090)

- kernel: a NULL pointer dereference in drivers/net/wireless/ath/ath10k/usb.c leads to a crash (CVE-2019-15099)

- kernel: Null pointer dereference in the sound/usb/line6/pcm.c (CVE-2019-15221)

- kernel: Null pointer dereference in the sound/usb/line6/driver.c (CVE-2019-15223)

- kernel: null pointer dereference in drivers/net/wireless/intel/iwlwifi/pcie/trans.c (CVE-2019-16234)

- kernel: unprivileged users able to create RAW sockets in AF_IEEE802154 network protocol (CVE-2019-17053)

- kernel: unprivileged users able to create RAW sockets in AF_ISDN network protocol (CVE-2019-17055)

- kernel: The flow_dissector feature allows device tracking (CVE-2019-18282)

- kernel: integer overflow in tcp_ack_update_rtt in net/ipv4/tcp_input.c (CVE-2019-18805)

- kernel: dos in mlx5_fpga_conn_create_cq() function in drivers/net/ethernet/mellanox/mlx5/core/fpga/conn.c (CVE-2019-19045)

- kernel: dos in mlx5_fw_fatal_reporter_dump() function in drivers/net/ethernet/mellanox/mlx5/core/health.c (CVE-2019-19047)

- kernel: memory leak in the nl80211_get_ftm_responder_stats() function in net/wireless/nl80211.c allows DoS (CVE-2019-19055)

- kernel: Two memory leaks in the mwifiex_pcie_init_evt_ring() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows for a DoS (CVE-2019-19057)

- kernel: A memory leak in the alloc_sgtable() function in drivers/net/wireless/intel/iwlwifi/fw/dbg.c allows for a DoS (CVE-2019-19058)

- kernel: Multiple memory leaks in the iwl_pcie_ctxt_info_gen3_init() function in drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c allows for a DoS (CVE-2019-19059)

- kernel: A memory leak in the sdma_init() function in drivers/infiniband/hw/hfi1/sdma.c allows for a DoS (CVE-2019-19065)

- kernel: Four memory leaks in the acp_hw_init() function in drivers/gpu/drm/amd/amdgpu/amdgpu_acp.c allow for a DoS (CVE-2019-19067)

- kernel: Memory leaks in drivers/net/wireless/ath/ath9k/htc_hst.c in the Linux kernel (DOS) (CVE-2019-19073)

- kernel: a memory leak in the ath9k management function in allows local DoS (CVE-2019-19074)

- kernel: memory leak in bnxt_re_create_srq function in drivers/infiniband/hw/bnxt_re/ib_verbs.c (CVE-2019-19077)

- kernel: malicious USB devices can lead to multiple out-of-bounds write (CVE-2019-19532)

- kernel: information leak bug caused by a malicious USB device in the drivers/net/can/usb/peak_usb/pcan_usb_core.c driver (CVE-2019-19534)

- kernel: use-after-free in __blk_add_trace in kernel/trace/blktrace.c (CVE-2019-19768)

- kernel: when cpu.cfs_quota_us is used allows attackers to cause a denial of service against non-cpu-bound applications (CVE-2019-19922)

- kernel: memory leak in the kernel_read_file function in fs/exec.c allows to cause a denial of service (CVE-2019-8980)

- kernel: use-after-free in cdev_put() when a PTP device is removed while it's chardev is open (CVE-2020-10690)

- kernel: some ipv6 protocols not encrypted over ipsec tunnel (CVE-2020-1749)

- kernel: use-after-free in i915_ppgtt_close in drivers/gpu/drm/i915/i915_gem_gtt.c (CVE-2020-7053)

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


Update the affected packages.

See Also


Plugin Details

Severity: Critical

ID: 145850

File Name: centos8_RHSA-2020-1769.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

CVSS Score Source: CVE-2019-18805


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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


Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:bpftool, p-cpe:/a:centos:centos:kernel, p-cpe:/a:centos:centos:kernel-abi-whitelists, p-cpe:/a:centos:centos:kernel-core, p-cpe:/a:centos:centos:kernel-cross-headers, p-cpe:/a:centos:centos:kernel-debug, p-cpe:/a:centos:centos:kernel-debug-core, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-debug-modules, p-cpe:/a:centos:centos:kernel-debug-modules-extra, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, p-cpe:/a:centos:centos:kernel-modules, p-cpe:/a:centos:centos:kernel-modules-extra, p-cpe:/a:centos:centos:kernel-tools, p-cpe:/a:centos:centos:kernel-tools-libs, p-cpe:/a:centos:centos:kernel-tools-libs-devel, p-cpe:/a:centos:centos:perf, p-cpe:/a:centos:centos:python3-perf

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/28/2020

Vulnerability Publication Date: 11/30/2018

Reference Information

CVE: CVE-2018-16871, CVE-2019-8980, CVE-2019-10639, CVE-2019-12819, CVE-2019-15090, CVE-2019-15099, CVE-2019-15221, CVE-2019-15223, CVE-2019-16234, CVE-2019-17053, CVE-2019-17055, CVE-2019-18282, CVE-2019-18805, CVE-2019-19045, CVE-2019-19047, CVE-2019-19055, CVE-2019-19057, CVE-2019-19058, CVE-2019-19059, CVE-2019-19065, CVE-2019-19067, CVE-2019-19073, CVE-2019-19074, CVE-2019-19077, CVE-2019-19532, CVE-2019-19534, CVE-2019-19768, CVE-2019-19922, CVE-2020-1749, CVE-2020-7053, CVE-2020-10690

BID: 107120, 108547, 108768

RHSA: 2020:1769