CentOS 7 : kernel (CESA-2020:4060)

high Nessus Plugin ID 141619
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.


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


The remote CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2020:4060 advisory.

- kernel: out of bounds write in function i2c_smbus_xfer_emulated in drivers/i2c/i2c-core-smbus.c (CVE-2017-18551)

- kernel: race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c leads to use-after-free (CVE-2018-20836)

- kernel: null pointer dereference in dlpar_parse_cc_property in arch/powerrc/platforms/pseries/dlpar.c causing denial of service (CVE-2019-12614)

- kernel: null pointer dereference in drivers/media/usb/zr364xx/zr364xx.c driver (CVE-2019-15217)

- kernel: Memory leak in drivers/scsi/libsas/sas_expander.c (CVE-2019-15807)

- kernel: use-after-free in drivers/bluetooth/hci_ldisc.c (CVE-2019-15917)

- kernel: null-pointer dereference in drivers/net/fjes/fjes_main.c (CVE-2019-16231)

- kernel: null pointer dereference in drivers/scsi/qla2xxx/qla_os.c (CVE-2019-16233)

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

- 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: memory leak in ccp_run_sha_cmd() function in drivers/crypto/ccp/ccp-ops.c (CVE-2019-18808)

- kernel: Denial Of Service in the __ipmi_bmc_register() function in drivers/char/ipmi/ipmi_msghandler.c (CVE-2019-19046)

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

- 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: memory leak in the crypto_report() function in crypto/crypto_user_base.c allows for DoS (CVE-2019-19062)

- kernel: Two memory leaks in the rtl_usb_probe() function in drivers/net/wireless/realtek/rtlwifi/usb.c allow for a DoS (CVE-2019-19063)

- Kernel: kvm: OOB memory write via kvm_dev_ioctl_get_cpuid (CVE-2019-19332)

- kernel: mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c (CVE-2019-19447)

- kernel: use-after-free caused by a malicious USB device in the drivers/usb/misc/adutux.c driver (CVE-2019-19523)

- kernel: a malicious USB device in the drivers/input/ff-memless.c leads to use-after-free (CVE-2019-19524)

- kernel: use-after-free caused by a malicious USB device in the drivers/usb/class/cdc-acm.c driver (CVE-2019-19530)

- 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: race condition caused by a malicious USB device in the USB character device driver layer (CVE-2019-19537)

- kernel: use-after-free in __ext4_expand_extra_isize and ext4_xattr_set_entry related to fs/ext4/inode.c and fs/ext4/super.c (CVE-2019-19767)

- kernel: use-after-free in sound/core/timer.c (CVE-2019-19807)

- kernel: Null pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c (CVE-2019-20054)

- kernel: memory leak in mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c (CVE-2019-20095)

- kernel: out-of-bounds write via crafted keycode table (CVE-2019-20636)

- kernel: out of bounds write in i2c driver leads to local escalation of privilege (CVE-2019-9454)

- kernel: use after free due to race condition in the video driver leads to local privilege escalation (CVE-2019-9458)

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

- kernel: uninitialized kernel data leak in userspace coredumps (CVE-2020-10732)

- kernel: NFS client crash due to index buffer overflow during Direct IO write causing kernel panic (CVE-2020-10742)

- kernel: SELinux netlink permission check bypass (CVE-2020-10751)

- kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family field (CVE-2020-10942)

- kernel: out-of-bounds write in mpol_parse_str function in mm/mempolicy.c (CVE-2020-11565)

- kernel: sg_write function lacks an sg_remove_request call in a certain failure case (CVE-2020-12770)

- kernel: possible to send arbitrary signals to a privileged (suidroot) parent process (CVE-2020-12826)

- kernel: memory corruption in Voice over IP nf_conntrack_h323 module (CVE-2020-14305)

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

- Kernel: kvm: nVMX: L2 guest may trick the L0 hypervisor to access sensitive L1 resources (CVE-2020-2732)

- kernel: out-of-bounds read in in vc_do_resize function in drivers/tty/vt/vt.c (CVE-2020-8647)

- kernel: invalid read location in vgacon_invert_region function in drivers/video/console/vgacon.c (CVE-2020-8649)

- kernel: out-of-bounds read in set_fdc in drivers/block/floppy.c (CVE-2020-9383)

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: High

ID: 141619

File Name: centos_RHSA-2020-4060.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/20/2020

Updated: 11/30/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2018-20836


Risk Factor: High

Score: 8.4


Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

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


Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: 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-debug, p-cpe:/a:centos:centos:kernel-debug-devel, p-cpe:/a:centos:centos:kernel-devel, p-cpe:/a:centos:centos:kernel-headers, 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:python-perf, cpe:/o:centos:centos:7

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: 10/20/2020

Vulnerability Publication Date: 5/7/2019

Reference Information

CVE: CVE-2017-18551, CVE-2018-20836, CVE-2019-9454, CVE-2019-9458, CVE-2019-12614, CVE-2019-15217, CVE-2019-15807, CVE-2019-15917, CVE-2019-16231, CVE-2019-16233, CVE-2019-16994, CVE-2019-17053, CVE-2019-17055, CVE-2019-18808, CVE-2019-19046, CVE-2019-19055, CVE-2019-19058, CVE-2019-19059, CVE-2019-19062, CVE-2019-19063, CVE-2019-19332, CVE-2019-19447, CVE-2019-19523, CVE-2019-19524, CVE-2019-19530, CVE-2019-19534, CVE-2019-19537, CVE-2019-19767, CVE-2019-19807, CVE-2019-20054, CVE-2019-20095, CVE-2019-20636, CVE-2020-1749, CVE-2020-2732, CVE-2020-8647, CVE-2020-8649, CVE-2020-9383, CVE-2020-10690, CVE-2020-10732, CVE-2020-10742, CVE-2020-10751, CVE-2020-10942, CVE-2020-11565, CVE-2020-12770, CVE-2020-12826, CVE-2020-14305

BID: 108196, 108550

RHSA: 2020:4060

CWE: 20, 94, 119, 121, 125, 200, 250, 319, 349, 362, 400, 401, 416, 476, 772, 787