Vulnerabilities > Linux > Linux Kernel > 4.20.11

DATE CVE VULNERABILITY TITLE RISK
2020-01-27 CVE-2019-20422 Improper Handling of Exceptional Conditions vulnerability in Linux Kernel
In the Linux kernel before 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db.
local
low complexity
linux CWE-755
2.1
2020-01-16 CVE-2019-9500 Out-of-bounds Write vulnerability in multiple products
The Broadcom brcmfmac WiFi driver prior to commit 1b5e2423164b3670e8bc9174e4762d297990deff is vulnerable to a heap buffer overflow.
high complexity
broadcom linux CWE-787
8.3
2020-01-16 CVE-2019-18282 Use of Insufficiently Random Values vulnerability in multiple products
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f.
network
low complexity
linux debian netapp CWE-330
5.0
2020-01-09 CVE-2019-19332 Out-of-bounds Write vulnerability in multiple products
An out-of-bounds memory write issue was found in the Linux Kernel, version 3.13 through 5.4, in the way the Linux kernel's KVM hypervisor handled the 'KVM_GET_EMULATED_CPUID' ioctl(2) request to get CPUID features emulated by the KVM hypervisor.
local
low complexity
linux redhat CWE-787
6.1
2019-12-30 CVE-2019-20096 Memory Leak vulnerability in multiple products
In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.
local
low complexity
linux debian canonical CWE-401
5.5
2019-12-30 CVE-2019-20095 Memory Leak vulnerability in multiple products
mwifiex_tm_cmd in drivers/net/wireless/marvell/mwifiex/cfg80211.c in the Linux kernel before 5.1.6 has some error-handling cases that did not free allocated hostcmd memory, aka CID-003b686ace82.
local
low complexity
linux opensuse netapp CWE-401
4.9
2019-12-28 CVE-2019-20054 NULL Pointer Dereference vulnerability in multiple products
In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.
local
low complexity
linux netapp CWE-476
5.5
2019-12-25 CVE-2019-19966 Use After Free vulnerability in multiple products
In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.
4.6
2019-12-25 CVE-2019-19965 NULL Pointer Dereference vulnerability in multiple products
In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition, aka CID-f70267f379b5.
1.9
2019-12-24 CVE-2019-19947 Use of Uninitialized Resource vulnerability in multiple products
In the Linux kernel through 5.4.6, there are information leaks of uninitialized memory to a USB device in the drivers/net/can/usb/kvaser_usb/kvaser_usb_leaf.c driver, aka CID-da2311a6385c.
4.6