Vulnerabilities > Linux > Linux Kernel > 5.4.68

DATE CVE VULNERABILITY TITLE RISK
2021-05-28 CVE-2021-20239 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol.
local
low complexity
linux redhat fedoraproject CWE-119
3.3
2021-05-26 CVE-2020-27815 Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges.
local
low complexity
linux debian netapp CWE-119
7.8
2021-05-26 CVE-2020-25668 Improper Synchronization vulnerability in multiple products
A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.
local
high complexity
linux debian netapp CWE-662
7.0
2021-05-26 CVE-2020-25669 Use After Free vulnerability in multiple products
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed.
local
low complexity
linux debian netapp CWE-416
7.8
2021-05-26 CVE-2020-25670 Use After Free vulnerability in multiple products
A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
local
low complexity
linux fedoraproject netapp debian CWE-416
7.8
2021-05-26 CVE-2020-25671 Use After Free vulnerability in multiple products
A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.
local
low complexity
linux fedoraproject netapp debian CWE-416
7.8
2021-05-24 CVE-2020-26558 Improper Authentication vulnerability in multiple products
Bluetooth LE and BR/EDR secure pairing in Bluetooth Core Specification 2.1 through 5.2 may permit a nearby man-in-the-middle attacker to identify the Passkey used during pairing (in the Passkey authentication procedure) by reflection of the public key and the authentication evidence of the initiating device, potentially permitting this attacker to complete authenticated pairing with the responding device using the correct Passkey for the pairing session.
4.2
2021-05-14 CVE-2021-33034 Use After Free vulnerability in multiple products
In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409.
local
low complexity
linux fedoraproject debian CWE-416
7.8
2021-05-12 CVE-2021-23134 Use After Free vulnerability in multiple products
Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges.
local
low complexity
linux fedoraproject debian CWE-416
7.8
2021-05-11 CVE-2020-24588 Use of a Broken or Risky Cryptographic Algorithm vulnerability in multiple products
The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that the A-MSDU flag in the plaintext QoS header field is authenticated.
3.5