Vulnerabilities (CVE)

Filtered by vendor Redhat Subscribe
Filtered by product Enterprise Linux
Total 2305 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-25661 1 Redhat 1 Enterprise Linux 2026-06-17 8.3 HIGH 7.5 HIGH
A Red Hat only CVE-2020-12351 regression issue was found in the way the Linux kernel's Bluetooth implementation handled L2CAP packets with A2MP CID. This flaw allows a remote attacker in an adjacent range to crash the system, causing a denial of service or potentially executing arbitrary code on the system by sending a specially crafted L2CAP packet. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
CVE-2020-25657 3 Fedoraproject, M2crypto Project, Redhat 4 Fedora, M2crypto, Enterprise Linux and 1 more 2026-06-17 4.3 MEDIUM 5.9 MEDIUM
A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA decryption API via the timed processing of valid PKCS#1 v1.5 Ciphertext. The highest threat from this vulnerability is to confidentiality.
CVE-2020-25656 4 Debian, Linux, Redhat and 1 more 4 Debian Linux, Linux Kernel, Enterprise Linux and 1 more 2026-06-17 1.9 LOW 4.1 MEDIUM
A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
CVE-2020-25648 4 Fedoraproject, Mozilla, Oracle and 1 more 6 Fedora, Network Security Services, Communications Offline Mediation Controller and 3 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58.
CVE-2020-25647 4 Fedoraproject, Gnu, Netapp and 1 more 8 Fedora, Grub2, Ontap Select Deploy Administration Utility and 5 more 2026-06-17 7.2 HIGH 7.6 HIGH
A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-25643 6 Debian, Linux, Netapp and 3 more 7 Debian Linux, Linux Kernel, H410c and 4 more 2026-06-17 7.5 HIGH 7.2 HIGH
A flaw was found in the HDLC_PPP module of the Linux kernel in versions before 5.9-rc7. Memory corruption and a read overflow is caused by improper input validation in the ppp_cp_parse_cr function which can cause the system to crash or cause a denial of service. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-25641 5 Canonical, Debian, Linux and 2 more 5 Ubuntu Linux, Debian Linux, Linux Kernel and 2 more 2026-06-17 4.9 MEDIUM 5.5 MEDIUM
A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block device, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
CVE-2020-25632 4 Fedoraproject, Gnu, Netapp and 1 more 8 Fedora, Grub2, Ontap Select Deploy Administration Utility and 5 more 2026-06-17 7.2 HIGH 8.2 HIGH
A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVE-2020-1749 2 Linux, Redhat 3 Linux Kernel, Enterprise Linux, Enterprise Mrg 2026-06-17 5.0 MEDIUM 7.5 HIGH
A flaw was found in the Linux kernel's implementation of some networking protocols in IPsec, such as VXLAN and GENEVE tunnels over IPv6. When an encrypted tunnel is created between two hosts, the kernel isn't correctly routing tunneled data over the encrypted link; rather sending the data unencrypted. This would allow anyone in between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.
CVE-2020-1730 6 Canonical, Fedoraproject, Libssh and 3 more 6 Ubuntu Linux, Fedora, Libssh and 3 more 2026-06-17 5.0 MEDIUM 5.3 MEDIUM
A flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers. The server or client could crash when the connection hasn't been fully initialized and the system tries to cleanup the ciphers when closing the connection. The biggest threat from this vulnerability is system availability.
CVE-2020-1726 2 Libpod Project, Redhat 3 Libpod, Enterprise Linux, Openshift Container Platform 2026-06-17 5.8 MEDIUM 5.9 MEDIUM
A flaw was discovered in Podman where it incorrectly allows containers when created to overwrite existing files in volumes, even if they are mounted as read-only. When a user runs a malicious container or a container based on a malicious image with an attached volume that is used for the first time, it is possible to trigger the flaw and overwrite files in the volume.This issue was introduced in version 1.6.0.
CVE-2020-1722 2 Freeipa, Redhat 2 Freeipa, Enterprise Linux 2026-06-17 5.4 MEDIUM 5.3 MEDIUM
A flaw was found in all ipa versions 4.x.x through 4.8.0. When sending a very long password (>= 1,000,000 characters) to the server, the password hashing process could exhaust memory and CPU leading to a denial of service and the website becoming unresponsive. The highest threat from this vulnerability is to system availability.
CVE-2020-1720 2 Postgresql, Redhat 4 Postgresql, Decision Manager, Enterprise Linux and 1 more 2026-06-17 3.5 LOW 3.1 LOW
A flaw was found in PostgreSQL's "ALTER ... DEPENDS ON EXTENSION", where sub-commands did not perform authorization checks. An authenticated attacker could use this flaw in certain configurations to perform drop objects such as function, triggers, et al., leading to database corruption. This issue affects PostgreSQL versions before 12.2, before 11.7, before 10.12 and before 9.6.17.
CVE-2020-1711 4 Debian, Opensuse, Qemu and 1 more 5 Debian Linux, Leap, Qemu and 2 more 2026-06-17 6.0 MEDIUM 7.7 HIGH
An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host.
CVE-2020-1702 2 Containers-image Project, Redhat 2 Containers-image, Enterprise Linux 2026-06-17 4.3 MEDIUM 3.3 LOW
A malicious container image can consume an unbounded amount of memory when being pulled to a container runtime host, such as Red Hat Enterprise Linux using podman, or OpenShift Container Platform. An attacker can use this flaw to trick a user, with privileges to pull container images, into crashing the process responsible for pulling the image. This flaw affects containers-image versions before 5.2.0.
CVE-2020-1045 3 Fedoraproject, Microsoft, Redhat 6 Fedora, Asp.net Core, Enterprise Linux and 3 more 2026-06-17 5.0 MEDIUM 7.5 HIGH
<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>
CVE-2020-15719 5 Mcafee, Openldap, Opensuse and 2 more 5 Policy Auditor, Openldap, Leap and 2 more 2026-06-17 4.0 MEDIUM 4.2 MEDIUM
libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux.
CVE-2020-15707 8 Canonical, Debian, Gnu and 5 more 15 Ubuntu Linux, Debian Linux, Grub2 and 12 more 2026-06-17 4.4 MEDIUM 5.7 MEDIUM
Integer overflows were discovered in the functions grub_cmd_initrd and grub_initrd_init in the efilinux component of GRUB2, as shipped in Debian, Red Hat, and Ubuntu (the functionality is not included in GRUB2 upstream), leading to a heap-based buffer overflow. These could be triggered by an extremely large number of arguments to the initrd command on 32-bit architectures, or a crafted filesystem with very large files on any architecture. An attacker could use this to execute arbitrary code and bypass UEFI Secure Boot restrictions. This issue affects GRUB2 version 2.04 and prior versions.
CVE-2020-15706 7 Canonical, Debian, Gnu and 4 more 14 Ubuntu Linux, Debian Linux, Grub2 and 11 more 2026-06-17 4.4 MEDIUM 6.4 MEDIUM
GRUB2 contains a race condition in grub_script_function_create() leading to a use-after-free vulnerability which can be triggered by redefining a function whilst the same function is already executing, leading to arbitrary code execution and secure boot restriction bypass. This issue affects GRUB2 version 2.04 and prior versions.
CVE-2020-15705 7 Canonical, Debian, Gnu and 4 more 14 Ubuntu Linux, Debian Linux, Grub2 and 11 more 2026-06-17 4.4 MEDIUM 6.4 MEDIUM
GRUB2 fails to validate kernel signature when booted directly without shim, allowing secure boot to be bypassed. This only affects systems where the kernel signing certificate has been imported directly into the secure boot database and the GRUB image is booted directly without the use of shim. This issue affects GRUB2 version 2.04 and prior versions.