7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:S/C:P/I:P/A:C
0.002 Low
EPSS
Percentile
53.5%
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
kernel: Integer overflow in Intel® Graphics Drivers (CVE-2020-12362)
kernel: use-after-free caused by a malicious USB device in the drivers/usb/misc/adutux.c driver (CVE-2019-19523)
kernel: use-after-free bug caused by a malicious USB device in the drivers/usb/misc/iowarrior.c driver (CVE-2019-19528)
kernel: possible out of bounds write in kbd_keycode of keyboard.c (CVE-2020-0431)
kernel: DoS by corrupting mountpoint reference counter (CVE-2020-12114)
kernel: use-after-free in usb_sg_cancel function in drivers/usb/core/message.c (CVE-2020-12464)
kernel: buffer uses out of index in ext3/4 filesystem (CVE-2020-14314)
kernel: Use After Free vulnerability in cgroup BPF component (CVE-2020-14356)
kernel: NULL pointer dereference in serial8250_isa_init_ports function in drivers/tty/serial/8250/8250_core.c (CVE-2020-15437)
kernel: umask not applied on filesystem without ACL support (CVE-2020-24394)
kernel: TOCTOU mismatch in the NFS client code (CVE-2020-25212)
kernel: incomplete permission checking for access to rbd devices (CVE-2020-25284)
kernel: race condition between hugetlb sysctl handlers in mm/hugetlb.c (CVE-2020-25285)
kernel: improper input validation in ppp_cp_parse_cr function leads to memory corruption and read overflow (CVE-2020-25643)
kernel: perf_event_parse_addr_filter memory (CVE-2020-25704)
kernel: use-after-free in kernel midi subsystem (CVE-2020-27786)
kernel: child process is able to access parent mm through hfi dev file handle (CVE-2020-27835)
kernel: slab-out-of-bounds read in fbcon (CVE-2020-28974)
kernel: fork: fix copy_process(CLONE_PARENT) race with the exiting ->real_parent (CVE-2020-35508)
kernel: use after free in tun_get_user of tun.c could lead to local escalation of privilege (CVE-2021-0342)
kernel: NULL pointer dereferences in ov511_mode_init_regs and ov518_mode_init_regs in drivers/media/usb/gspca/ov519.c (CVE-2020-11608)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:S/C:P/I:P/A:C
0.002 Low
EPSS
Percentile
53.5%