Redhat Enterprise Linux vulnerabilities

CVE-2023-1476 [HIGH] CWE-416 CVE-2023-1476: A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting sour A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.

CVE-2023-6531 [HIGH] CWE-362 CVE-2023-6531: A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collec A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

CVE-2022-34301 [MEDIUM] CVE-2022-34301: A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bo A flaw was found in CryptoPro Secure Disk bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Pa

CVE-2004-0817 [HIGH] CVE-2004-0817: Multiple heap-based buffer overflows in the imlib BMP image handler allow remote attackers to execut Multiple heap-based buffer overflows in the imlib BMP image handler allow remote attackers to execute arbitrary code via a crafted BMP file.

CVE-2022-34303 [MEDIUM] CVE-2022-34303: A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to b A flaw was found in Eurosoft bootloaders before 2022-06-01. An attacker may use this bootloader to bypass or tamper with Secure Boot protections. In order to load and execute arbitrary code in the pre-boot stage, an attacker simply needs to replace the existing signed bootloader currently in use with this bootloader. Access to the EFI System Partition is re

CVE-2023-4001 [MEDIUM] CWE-290 CVE-2023-4001: An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device t An authentication bypass flaw was found in GRUB due to the way that GRUB uses the UUID of a device to search for the configuration file that contains the password hash for the GRUB password protection feature. An attacker capable of attaching an external drive such as a USB stick containing a file system with a duplicate UUID (the same as in the "/boo

CVE-2023-6683 [MEDIUM] CWE-476 CVE-2023-6683: A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemu_c A flaw was found in the QEMU built-in VNC server while processing ClientCutText messages. The qemu_clipboard_request() function can be reached before vnc_server_cut_text_caps() was called and had the chance to initialize the clipboard peer, leading to a NULL pointer dereference. This could allow a malicious authenticated VNC client to crash QEMU and t

CVE-2021-3975 [MEDIUM] CWE-416 CVE-2021-3975: A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandl A use-after-free flaw was found in libvirt. The qemuMonitorUnregister() function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting down. An unprivileged client with a read-only connection co

CVE-2020-10749 [MEDIUM] CWE-300 CVE-2020-10749: A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that A vulnerability was found in all versions of containernetworking/plugins before version 0.8.6, that allows malicious containers in Kubernetes clusters to perform man-in-the-middle (MitM) attacks. A malicious container can exploit this flaw by sending rogue IPv6 router advertisements to the host or other containers, to redirect traffic to the maliciou

CVE-2021-4024 [MEDIUM] CWE-200 CVE-2021-4024: A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual A flaw was found in podman. The `podman machine` function (used to create and manage Podman virtual machine containing a Podman process) spawns a `gvproxy` process on the host system. The `gvproxy` API is accessible on port 7777 on all IP addresses on the host. If that port is open on the host's firewall, an attacker can potentially use the `gvproxy` A

CVE-2024-6237 [MEDIUM] CWE-230 CVE-2024-6237: A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a sy A flaw was found in the 389 Directory Server. This flaw allows an unauthenticated user to cause a systematic server crash while sending a specific extended search request, leading to a denial of service.

CVE-2025-2784 [MEDIUM] CWE-125 CVE-2025-2784: A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing cont A flaw was found in libsoup. The package is vulnerable to a heap buffer over-read when sniffing content via the skip_insight_whitespace() function. Libsoup clients may read one byte out-of-bounds in response to a crafted HTTP response by an HTTP server.

CVE-2019-6465 [MEDIUM] CWE-732 CVE-2019-6465: Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the Controls for zone transfers may not be properly applied to Dynamically Loadable Zones (DLZs) if the zones are writable Versions affected: BIND 9.9.0 -> 9.10.8-P1, 9.11.0 -> 9.11.5-P2, 9.12.0 -> 9.12.3-P2, and versions 9.9.3-S1 -> 9.11.5-S3 of BIND 9 Supported Preview Edition. Versions 9.13.0 -> 9.13.6 of the 9.13 development branch are also affected. V

CVE-2018-18506 [MEDIUM] CVE-2018-18506: When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration (PAC) file o When proxy auto-detection is enabled, if a web server serves a Proxy Auto-Configuration (PAC) file or if a PAC file is loaded locally, this PAC file can specify that requests to the localhost are to be sent through the proxy to another server. This behavior is disallowed by default when a proxy is manually configured, but when enabled could allow for attack

CVE-2025-5351 [MEDIUM] CWE-415 CVE-2025-5351: A flaw was found in the key export functionality of libssh. The issue occurs in the internal functio A flaw was found in the key export functionality of libssh. The issue occurs in the internal function responsible for converting cryptographic keys into serialized formats. During error handling, a memory structure is freed but not cleared, leading to a potential double free issue if an additional failure occurs later in the function. This condition m

CVE-2009-3553 [HIGH] CWE-416 CVE-2009-3553: Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect Use-after-free vulnerability in the abstract file-descriptor handling interface in the cupsdDoSelect function in scheduler/select.c in the scheduler in cupsd in CUPS 1.3.7 and 1.3.10 allows remote attackers to cause a denial of service (daemon crash or hang) via a client disconnection during listing of a large number of print jobs, related to improperly

CVE-2020-25657 [MEDIUM] CWE-385 CVE-2020-25657: A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher t 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-2022-2127 [MEDIUM] CWE-125 CVE-2022-2127: An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in winbindd An out-of-bounds read vulnerability was found in Samba due to insufficient length checks in winbindd_pam_auth_crap.c. When performing NTLM authentication, the client replies to cryptographic challenges back to the server. These replies have variable lengths, and Winbind fails to check the lan manager response length. When Winbind is used for NTLM auth

CVE-2026-13601 [MEDIUM] CWE-693 CVE-2026-13601: A flaw was found in Yelp due to an overly permissive Content Security Policy (CSP) implementation pr A flaw was found in Yelp due to an overly permissive Content Security Policy (CSP) implementation provided by yelp-xsl. A malicious Flatpak application can open crafted help content through the OpenURI portal. By embedding an untrusted CSS stylesheet within a structured SVG document, attacker-controlled content can bypass Flatpak's intended sandbox

CVE-2021-3631 [MEDIUM] CWE-732 CVE-2021-3631: A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. T A flaw was found in libvirt while it generates SELinux MCS category pairs for VMs' dynamic labels. This flaw allows one exploited guest to access files labeled for another guest, resulting in the breaking out of sVirt confinement. The highest threat from this vulnerability is to confidentiality and integrity.