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CVE-2023-4155

Sev-es / sev-snp vmgexit double fetch vulnerability

A flaw was found in KVM AMD Secure Encrypted Virtualization (SEV) in the Linux kernel. A KVM guest using SEV-ES or SEV-SNP with multiple vCPUs can trigger a double fetch race condition vulnerability and invoke the `VMGEXIT` handler recursively. If an attacker manages to call the handler multiple times, they can trigger a stack overflow and cause a denial of service or potentially guest-to-host escape in kernel configurations without stack guard pages (`CONFIG_VMAP_STACK`).

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Linux Redhat
Products
Fedora Linux Kernel Enterprise Linux and 4 more
CVE-2023-1513

kernel: KVM: information leak in KVM_GET_DEBUGREGS ioctl on 32-bit systems

A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.

CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Linux Redhat
Products
Fedora Linux Kernel Enterprise Linux
CVE-2023-0056

haproxy: segfault DoS

An uncontrolled resource consumption vulnerability was discovered in HAProxy which could crash the service. This issue could allow an authenticated remote attacker to run a specially crafted malicious server in an OpenShift cluster. The biggest impact is to availability.

CVSS 3.1 · 6.5 Medium EPSS 1.8% KEV · Not listed
Vendors
Fedoraproject Haproxy Redhat
Products
Extra Packages For Enterprise Linux Fedora Haproxy and 9 more
CVE-2021-3923

kernel: stack information leak in infiniband RDMA

A flaw was found in the Linux kernel's implementation of RDMA over infiniband. An attacker with a privileged local account can leak kernel stack information when issuing commands to the /dev/infiniband/rdma_cm device node. While this access is unlikely to leak sensitive user information, it can be further used to defeat existing kernel protection mechanisms.

CVSS 3.1 · 2.3 Low EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Linux Redhat
Products
Fedora Linux Kernel Enterprise Linux
CVE-2023-0494

xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation

A vulnerability was found in X.Org. This issue occurs due to a dangling pointer in DeepCopyPointerClasses that can be exploited by ProcXkbSetDeviceInfo() and ProcXkbGetDeviceInfo() to read and write into freed memory. This can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Redhat X.org
Products
Fedora Enterprise Linux Enterprise Linux Aus and 19 more
CVE-2023-0179

kernel: Netfilter integer overflow vulnerability in nft_payload_copy_vlan

A buffer overflow vulnerability was found in the Netfilter subsystem in the Linux Kernel. This issue could allow the leakage of both stack and heap addresses, and potentially allow Local Privilege Escalation to the root user via arbitrary code execution.

CVSS 3.1 · 7.8 High EPSS 1.9% KEV · Not listed
Vendors
Canonical Fedoraproject Linux and 1 more
Products
Ubuntu Linux Fedora Linux Kernel and 12 more
CVE-2023-0664

QEMU: local privilege escalation via the QEMU Guest Agent on Windows

A flaw was found in the QEMU Guest Agent service for Windows. A local unprivileged user may be able to manipulate the QEMU Guest Agent's Windows installer via repair custom actions to elevate their privileges on the system.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Microsoft Qemu and 1 more
Products
Fedora Windows Qemu and 1 more
CVE-2023-6186

Link targets allow arbitrary script execution

Insufficient macro permission validation of The Document Foundation LibreOffice allows an attacker to execute built-in macros without warning. In affected versions LibreOffice supports hyperlinks with macro or similar built-in command targets that can be executed when activated without warning the user.

CVSS 3.1 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Libreoffice and 1 more
Products
Debian Linux Fedora Libreoffice and 5 more
CVE-2023-6185

Improper input validation enabling arbitrary Gstreamer pipeline injection

Improper Input Validation vulnerability in GStreamer integration of The Document Foundation LibreOffice allows an attacker to execute arbitrary GStreamer plugins. In affected versions the filename of the embedded video is not sufficiently escaped when passed to GStreamer enabling an attacker to run arbitrary gstreamer plugins depending on what plugins are installed on the target system.

CVSS 3.1 · 8.3 High EPSS 1.0% KEV · Not listed
Vendors
Debian Fedoraproject Libreoffice and 1 more
Products
Debian Linux Fedora Libreoffice and 5 more
CVE-2024-32662

FreeRDP rdp_redirection_read_base64_wchar out of bound read

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients prior to version 3.5.1 are vulnerable to out-of-bounds read. This occurs when `WCHAR` string is read with twice the size it has and converted to `UTF-8`, `base64` decoded. The string is only used to compare against the redirection server certificate. Version 3.5.1 contains a patch for the issue. No known workarounds are available.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Fedoraproject Freerdp Redhat
Products
Fedora Freerdp Enterprise Linux
CVE-2024-32041

FreeRDP OutOfBound Read in zgfx_decompress_segment

FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 are vulnerable to out-of-bounds read. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, deactivate `/gfx` (on by default, set `/bpp` or `/rfx` options instead.

CVSS 3.1 · 9.8 Critical EPSS 1.9% KEV · Not listed
Vendors
Fedoraproject Freerdp Redhat
Products
Fedora Freerdp Enterprise Linux
CVE-2024-25629

c-ares out of bounds read in ares__read_line()

c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, the `/etc/hosts` file. If any of these configuration files has an embedded `NULL` character as the first character in a new line, it can lead to attempting to read memory prior to the start of the given buffer which may result in a crash. This issue is fixed in c-ares 1.27.0. No known workarounds exist.

CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
Vendors
C-ares Fedoraproject Redhat
Products
C-ares Fedora Enterprise Linux and 2 more
CVE-2024-21096

mysql: Client: mysqldump unspecified vulnerability (CPU Apr 2024)

Vulnerability in the MySQL Server product of Oracle MySQL (component: Client: mysqldump). Supported versions that are affected are 8.0.36 and prior and 8.3.0 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where MySQL Server executes to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of MySQL Server accessible data as well as unauthorized read access to a subset of MySQL Server accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L).

CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Vendors
Debian Fedoraproject Netapp and 2 more
Products
Debian Linux Fedora Active Iq Unified Manager and 6 more
CVE-2023-6395

Mock: privilege escalation for users that can access mock configuration

The Mock software contains a vulnerability wherein an attacker could potentially exploit privilege escalation, enabling the execution of arbitrary code with root user privileges. This weakness stems from the absence of proper sandboxing during the expansion and execution of Jinja2 templates, which may be included in certain configuration parameters. While the Mock documentation advises treating users added to the mock group as privileged, certain build systems invoking mock on behalf of users might inadvertently permit less privileged users to define configuration tags. These tags could then be passed as parameters to mock during execution, potentially leading to the utilization of Jinja2 templates for remote privilege escalation and the execution of arbitrary code as the root user on the build server.

CVSS 3.1 · 6.7 Medium EPSS 1.6% KEV · Not listed
Vendors
Fedoraproject Redhat Rpm-software-management
Products
Extra Packages For Enterprise Linux Fedora Enterprise Linux and 1 more
CVE-2023-5517

Querying RFC 1918 reverse zones may cause an assertion failure when "nxdomain-redirect" is enabled

A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when: - `nxdomain-redirect <domain>;` is configured, and - the resolver receives a PTR query for an RFC 1918 address that would normally result in an authoritative NXDOMAIN response. This issue affects BIND 9 versions 9.12.0 through 9.16.45, 9.18.0 through 9.18.21, 9.19.0 through 9.19.19, 9.16.8-S1 through 9.16.45-S1, and 9.18.11-S1 through 9.18.21-S1.

CVSS 3.1 · 7.5 High EPSS 1.3% KEV · Not listed
Vendors
Fedoraproject Isc Netapp and 1 more
Products
Fedora Bind Bind 9 and 3 more
CVE-2023-5171

Mozilla: Use-after-free in Ion Compiler

During Ion compilation, a Garbage Collection could have resulted in a use-after-free condition, allowing an attacker to write two NUL bytes, and cause a potentially exploitable crash. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Debian Fedoraproject Mozilla and 1 more
Products
Debian Linux Fedora Firefox and 7 more
CVE-2023-5169

Mozilla: Out-of-bounds write in PathOps

A compromised content process could have provided malicious data in a `PathRecording` resulting in an out-of-bounds write, leading to a potentially exploitable crash in a privileged process. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

CVSS 3.1 · 6.5 Medium EPSS 1.1% KEV · Not listed
Vendors
Debian Fedoraproject Mozilla and 1 more
Products
Debian Linux Fedora Firefox and 7 more
CVE-2023-3824

Buffer overflow and overread in phar_dir_read()

In PHP version 8.0.* before 8.0.30,  8.1.* before 8.1.22, and 8.2.* before 8.2.8, when loading phar file, while reading PHAR directory entries, insufficient length checking may lead to a stack buffer overflow, leading potentially to memory corruption or RCE.

CVSS 3.1 · 9.4 Critical EPSS 21.8% KEV · Not listed
Vendors
Debian Fedoraproject Php and 1 more
Products
Debian Linux Fedora Php and 1 more
CVE-2023-3823

Security issue with external entity loading in XML without enabling it

In PHP versions 8.0.* before 8.0.30, 8.1.* before 8.1.22, and 8.2.* before 8.2.8 various XML functions rely on libxml global state to track configuration variables, like whether external entities are loaded. This state is assumed to be unchanged unless the user explicitly changes it by calling appropriate function. However, since the state is process-global, other modules - such as ImageMagick - may also use this library within the same process, and change that global state for their internal purposes, and leave it in a state where external entities loading is enabled. This can lead to the situation where external XML is parsed with external entities loaded, which can lead to disclosure of any local files accessible to PHP. This vulnerable state may persist in the same process across many requests, until the process is shut down.

CVSS 3.1 · 8.6 High EPSS 1.6% KEV · Not listed
Vendors
Debian Fedoraproject Php and 1 more
Products
Debian Linux Fedora Php and 1 more