RHEL 8 : kernel-rt (RHSA-2020:4609)

high Nessus Plugin ID 142382
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VPR Score: 6.7

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4609 advisory.

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

- kernel: out-of-bounds access in function hclge_tm_schd_mode_vnet_base_cfg (CVE-2019-15925)

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

- kernel: memory leak in af9005_identify_state() function in drivers/media/usb/dvb-usb/af9005.c (CVE-2019-18809)

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

- kernel: A memory leak in the mwifiex_pcie_alloc_cmdrsp_buf() function in drivers/net/wireless/marvell/mwifiex/pcie.c allows to cause DoS (CVE-2019-19056)

- 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: A memory leak in the rtl8xxxu_submit_int_urb() function in drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c allows for a DoS (CVE-2019-19068)

- kernel: A memory leak in the predicate_parse() function in kernel/trace/trace_events_filter.c allows for a DoS (CVE-2019-19072)

- kernel: out-of-bounds write in ext4_xattr_set_entry in fs/ext4/xattr.c (CVE-2019-19319)

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

- kernel: information leak bug caused by a malicious USB device in the drivers/media/usb/ttusb- dec/ttusb_dec.c (CVE-2019-19533)

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

- kernel: use-after-free in serial_ir_init_module() in drivers/media/rc/serial_ir.c (CVE-2019-19543)

- 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 debugfs_remove in fs/debugfs/inode.c (CVE-2019-19770)

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

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

- kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information disclosure (CVE-2019-9455)

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

- kernel: possible use-after-free due to a race condition in cdev_get of char_dev.c (CVE-2020-0305)

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

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

- kernel: possibility of memory disclosure when reading the file /proc/sys/kernel/rh_features (CVE-2020-10774)

- 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: mishandles invalid descriptors in drivers/media/usb/gspca/xirlink_cit.c (CVE-2020-11668)

- kernel: sync of excessive duration via an XFS v5 image with crafted metadata (CVE-2020-12655)

- kernel: xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write which could result in crash and data coruption (CVE-2020-12659)

- 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: referencing inode of removed superblock in get_futex_key() causes UAF (CVE-2020-14381)

- kernel: soft-lockups in iov_iter_copy_from_user_atomic() could result in DoS (CVE-2020-25641)

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

- kernel: use-after-free in n_tty_receive_buf_common function in drivers/tty/n_tty.c (CVE-2020-8648)

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

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

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/94.html

https://cwe.mitre.org/data/definitions/119.html

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/349.html

https://cwe.mitre.org/data/definitions/362.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/401.html

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/476.html

https://cwe.mitre.org/data/definitions/772.html

https://cwe.mitre.org/data/definitions/787.html

https://cwe.mitre.org/data/definitions/805.html

https://cwe.mitre.org/data/definitions/835.html

https://access.redhat.com/security/cve/CVE-2019-9455

https://access.redhat.com/security/cve/CVE-2019-9458

https://access.redhat.com/security/cve/CVE-2019-15917

https://access.redhat.com/security/cve/CVE-2019-15925

https://access.redhat.com/security/cve/CVE-2019-16231

https://access.redhat.com/security/cve/CVE-2019-16233

https://access.redhat.com/security/cve/CVE-2019-18808

https://access.redhat.com/security/cve/CVE-2019-18809

https://access.redhat.com/security/cve/CVE-2019-19046

https://access.redhat.com/security/cve/CVE-2019-19056

https://access.redhat.com/security/cve/CVE-2019-19062

https://access.redhat.com/security/cve/CVE-2019-19063

https://access.redhat.com/security/cve/CVE-2019-19068

https://access.redhat.com/security/cve/CVE-2019-19072

https://access.redhat.com/security/cve/CVE-2019-19319

https://access.redhat.com/security/cve/CVE-2019-19332

https://access.redhat.com/security/cve/CVE-2019-19447

https://access.redhat.com/security/cve/CVE-2019-19524

https://access.redhat.com/security/cve/CVE-2019-19533

https://access.redhat.com/security/cve/CVE-2019-19537

https://access.redhat.com/security/cve/CVE-2019-19543

https://access.redhat.com/security/cve/CVE-2019-19767

https://access.redhat.com/security/cve/CVE-2019-19770

https://access.redhat.com/security/cve/CVE-2019-20054

https://access.redhat.com/security/cve/CVE-2019-20636

https://access.redhat.com/security/cve/CVE-2020-0305

https://access.redhat.com/security/cve/CVE-2020-8647

https://access.redhat.com/security/cve/CVE-2020-8648

https://access.redhat.com/security/cve/CVE-2020-8649

https://access.redhat.com/security/cve/CVE-2020-10732

https://access.redhat.com/security/cve/CVE-2020-10751

https://access.redhat.com/security/cve/CVE-2020-10774

https://access.redhat.com/security/cve/CVE-2020-10942

https://access.redhat.com/security/cve/CVE-2020-11565

https://access.redhat.com/security/cve/CVE-2020-11668

https://access.redhat.com/security/cve/CVE-2020-12655

https://access.redhat.com/security/cve/CVE-2020-12659

https://access.redhat.com/security/cve/CVE-2020-12770

https://access.redhat.com/security/cve/CVE-2020-12826

https://access.redhat.com/security/cve/CVE-2020-14381

https://access.redhat.com/security/cve/CVE-2020-25641

https://access.redhat.com/errata/RHSA-2020:4609

https://bugzilla.redhat.com/1759052

https://bugzilla.redhat.com/1760100

https://bugzilla.redhat.com/1760310

https://bugzilla.redhat.com/1760420

https://bugzilla.redhat.com/1774946

https://bugzilla.redhat.com/1774963

https://bugzilla.redhat.com/1774988

https://bugzilla.redhat.com/1775015

https://bugzilla.redhat.com/1775021

https://bugzilla.redhat.com/1775097

https://bugzilla.redhat.com/1777418

https://bugzilla.redhat.com/1777449

https://bugzilla.redhat.com/1779594

https://bugzilla.redhat.com/1781679

https://bugzilla.redhat.com/1781810

https://bugzilla.redhat.com/1783459

https://bugzilla.redhat.com/1783534

https://bugzilla.redhat.com/1783561

https://bugzilla.redhat.com/1784130

https://bugzilla.redhat.com/1786160

https://bugzilla.redhat.com/1786179

https://bugzilla.redhat.com/1790063

https://bugzilla.redhat.com/1802555

https://bugzilla.redhat.com/1802559

https://bugzilla.redhat.com/1802563

https://bugzilla.redhat.com/1817718

https://bugzilla.redhat.com/1819377

https://bugzilla.redhat.com/1819399

https://bugzilla.redhat.com/1822077

https://bugzilla.redhat.com/1824059

https://bugzilla.redhat.com/1824792

https://bugzilla.redhat.com/1824918

https://bugzilla.redhat.com/1831399

https://bugzilla.redhat.com/1832543

https://bugzilla.redhat.com/1832876

https://bugzilla.redhat.com/1834845

https://bugzilla.redhat.com/1839634

https://bugzilla.redhat.com/1846964

https://bugzilla.redhat.com/1860065

https://bugzilla.redhat.com/1874311

https://bugzilla.redhat.com/1881424

Plugin Details

Severity: High

ID: 142382

File Name: redhat-RHSA-2020-4609.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/4/2020

Updated: 3/24/2021

Dependencies: ssh_get_info.nasl, linux_alt_patch_detect.nasl

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS Score Source: CVE-2020-12659

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.3

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

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

CVSS v3.0

Base Score: 6.7

Temporal Score: 5.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, 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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/4/2020

Vulnerability Publication Date: 5/30/2019

Reference Information

CVE: CVE-2019-9455, CVE-2019-9458, CVE-2019-15917, CVE-2019-15925, CVE-2019-16231, CVE-2019-16233, CVE-2019-18808, CVE-2019-18809, CVE-2019-19046, CVE-2019-19056, CVE-2019-19062, CVE-2019-19063, CVE-2019-19068, CVE-2019-19072, CVE-2019-19319, CVE-2019-19332, CVE-2019-19447, CVE-2019-19524, CVE-2019-19533, CVE-2019-19537, CVE-2019-19543, CVE-2019-19767, CVE-2019-19770, CVE-2019-20054, CVE-2019-20636, CVE-2020-0305, CVE-2020-8647, CVE-2020-8648, CVE-2020-8649, CVE-2020-10732, CVE-2020-10751, CVE-2020-10774, CVE-2020-10942, CVE-2020-11565, CVE-2020-11668, CVE-2020-12655, CVE-2020-12659, CVE-2020-12770, CVE-2020-12826, CVE-2020-14381, CVE-2020-25641

RHSA: 2020:4609

CWE: 20, 94, 119, 200, 349, 362, 400, 401, 416, 476, 772, 787, 805, 835