Vulnerabilities > Canonical > Ubuntu Linux > 20.04

DATE CVE VULNERABILITY TITLE RISK
2023-08-14 CVE-2023-40283 Use After Free vulnerability in multiple products
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10.
local
low complexity
linux debian canonical CWE-416
7.8
2023-07-24 CVE-2023-3567 Use After Free vulnerability in multiple products
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel.
local
low complexity
linux redhat canonical CWE-416
7.1
2023-07-05 CVE-2023-31248 Use After Free vulnerability in multiple products
Linux Kernel nftables Use-After-Free Local Privilege Escalation Vulnerability; `nft_chain_lookup_byid()` failed to check whether a chain was active and CAP_NET_ADMIN is in any user or network namespace
local
low complexity
linux fedoraproject debian canonical CWE-416
7.8
2023-06-28 CVE-2023-3389 Use After Free vulnerability in multiple products
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation. Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer. We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
local
low complexity
linux canonical debian CWE-416
7.8
2023-06-16 CVE-2023-35788 Out-of-bounds Write vulnerability in multiple products
An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7.
local
low complexity
linux debian netapp canonical CWE-787
7.8
2023-05-31 CVE-2023-2612 Improper Locking vulnerability in Canonical Ubuntu Linux 20.04/22.04/22.10
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations.
local
high complexity
canonical CWE-667
4.7
2023-04-26 CVE-2023-1786 Information Exposure Through Log Files vulnerability in multiple products
Sensitive data could be exposed in logs of cloud-init before version 23.1.2.
local
low complexity
canonical fedoraproject CWE-532
5.5
2023-04-19 CVE-2022-2084 Information Exposure Through Log Files vulnerability in Canonical Cloud-Init and Ubuntu Linux
Sensitive data could be exposed in world readable logs of cloud-init before version 22.3 when schema failures are reported.
local
low complexity
canonical CWE-532
5.5
2023-04-07 CVE-2020-11935 It was discovered that aufs improperly managed inode reference counts in the vfsub_dentry_open() method.
local
low complexity
canonical debian
5.5
2023-03-27 CVE-2023-0179 Integer Overflow or Wraparound vulnerability in multiple products
A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel.
local
low complexity
linux canonical fedoraproject redhat CWE-190
7.8