Threat database

It was discovered that improper initialization of CPU cache memory could allow a local attacker with hypervisor access to overwrite SEV-SNP guest memory resulting in loss of data integrity. (CVE-2024-36331) Oleksii Oleksenko, Cedric Fournet, Jana Hofmann, Boris Köpf, Stavros Volos, and Flavien Solt discovered that some AMD processors may allow an attacker to infer data from previous stores, potentially resulting in the leakage of privileged information. A local attacker could possibly use this to expose sensitive information. (CVE-2024-36350, CVE-2024-36357) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - MIPS architecture; - PA-RISC architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Compute Acceleration Framework; - ACPI drivers; - Serial ATA and Parallel ATA drivers; - ATM drivers; - Drivers core; - ATA over ethernet (AOE) driver; - DRBD Distributed Replicated Block Device drivers; - Network block device driver; - Ublk userspace block driver; - Bluetooth drivers; - Bus devices; - Character device driver; - TPM device driver; - Clock framework and drivers; - Data acquisition framework and drivers; - CPU frequency scaling framework; - Hardware crypto device drivers; - Device frequency scaling framework; - Buffer Sharing and Synchronization framework; - DMA engine subsystem; - EDAC drivers; - Arm Firmware Framework for ARMv8-A(FFA); - ARM SCMI message protocol; - FPGA Framework; - GPU drivers; - HID subsystem; - Hardware monitoring drivers; - HW tracing; - I2C subsystem; - I3C subsystem; - IIO subsystem; - InfiniBand drivers; - Input Device core drivers; - Input Device (Miscellaneous) drivers; - IOMMU subsystem; - IRQ chip drivers; - MCB driver; - Multiple devices driver; - Media drivers; - Multifunction device drivers; - Microchip PCI driver; - Intel Management Engine Interface driver; - PCI Endpoint Test driver; - TI TPS6594 PFSM driver; - VMware VMCI Driver; - MMC subsystem; - MTD block device drivers; - Network drivers; - Mellanox network drivers; - STMicroelectronics network drivers; - NVDIMM (Non-Volatile Memory Device) drivers; - NVME drivers; - PCI subsystem; - Amlogic Meson DDR PMU; - PHY drivers; - Pin controllers subsystem; - x86 platform drivers; - Power supply drivers; - Powercap sysfs driver; - PTP clock framework; - PWM drivers; - RapidIO drivers; - Voltage and Current Regulator drivers; - Remote Processor subsystem; - S/390 drivers; - SCSI subsystem; - ASPEED SoC drivers; - QCOM SoC drivers; - Samsung SoC drivers; - SPI subsystem; - small TFT LCD display modules; - Media staging drivers; - TCM subsystem; - Trusted Execution Environment drivers; - Thunderbolt and USB4 drivers; - TTY drivers; - UFS subsystem; - Cadence USB3 driver; - ChipIdea USB driver; - USB Device Class drivers; - USB core drivers; - DesignWare USB3 driver; - USB Gadget drivers; - USB Host Controller drivers; - Renesas USBHS Controller drivers; - USB Type-C support driver; - USB Type-C Connector System Software Interface driver; - VFIO drivers; - Virtio Host (VHOST) subsystem; - Backlight driver; - Framebuffer layer; - TSM Common Guest driver; - Virtio drivers; - Xen hypervisor drivers; - File systems infrastructure; - BTRFS file system; - Ceph distributed file system; - EFI Variable file system; - Ext4 file system; - F2FS file system; - GFS2 file system; - JFFS2 file system; - JFS file system; - Network file system (NFS) client; - Network file system (NFS) server daemon; - NILFS2 file system; - NTFS3 file system; - Overlay file system; - Proc file system; - SMB network file system; - DRM display driver; - Asynchronous Transfer Mode (ATM) subsystem; - BPF subsystem; - Memory Management; - Internal shared memory driver; - LZO compression library; - Mellanox drivers; - padata parallel execution mechanism; - Networking subsytem; - Bluetooth subsystem; - Netfilter; - Network traffic control; - SCTP protocol; - Network sockets; - UDP network protocol; - eXpress Data Path; - XFRM subsystem; - Digital Audio (PCM) driver; - Universal MIDI packet (UMP) support module; - Tracing infrastructure; - User-space API (UAPI); - io_uring subsystem; - IPC subsystem; - Perf events; - Kernel exit() syscall; - IRQ subsystem; - Padata parallel execution mechanism; - Kernel command line parsing driver; - Hibernation control; - RCU subsystem; - Restartable seuqences system call mechanism; - Maple Tree data structure library; - Memory management; - KASAN memory debugging fra

It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume excessive resources, leading to a regular expression denial of service. This issue only affected Ubuntu 22.04 LTS. (CVE-2024-24762) It was discovered that Python-Multipart did not properly sanitize line breaks during user input. An attacker could use this issue to send arbitrary input, thus preventing other requests from being processed, resulting in a denial of service. This issue was only fixed in Ubuntu 24.04 LTS. (CVE-2024-53981) It was discovered that Python-Multipart was vulnerable to path traversal attacks. An attacker could possibly craft and upload files outside the target directory, resulting in remote code execution. (CVE-2026-24486)

Benny Isaacs discovered that ImageMagick did not properly manage memory when processing certain image files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

USN-8004-1 fixed vulnerabilities in FreeRDP. The update for CVE-2026-23533 introduced a regression. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Kim Dong Han discovered that FreeRDP did not correctly validate the size of certain variables, which could cause a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Stanislav Fort, Petr Šimeček, and Hamza discovered that OpenSSL incorrectly validated PBMAC1 parameters when doing PKCS#12 MAC verification. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-11187) Stanislav Fort discovered that OpenSSL incorrectly parsed CMS AuthEnvelopedData messages. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-15467) Stanislav Fort discovered that OpenSSL incorrectly handled memory in the SSL_CIPHER_find() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-15468) Stanislav Fort discovered that the OpenSSL "openssl dgst" command line tool incorrectly truncated data to 16MB. An attacker could posibly use this issue to hide unauthenticated data beyond the 16MB limit. This issue only affected Ubuntu 25.10. (CVE-2025-15469) Tomas Dulka and Stanislav Fort discovered that OpenSSL incorrectly handled memory with TLS 1.3 connections using certificate compression. An attacker could possibly use this issue to consume resources, leading to a denial of service. This issue only affected Ubuntu 25.10. (CVE-2025-66199) Petr Simecek and Stanislav Fort discovered that OpenSSL incorrectly handled memory when writing large data into a BIO chain. An attacker could possibly use this issue to consume resources, leading to a denial of service. (CVE-2025-68160) Stanislav Fort discovered that the OpenSSL OCB API could incorrectly leave final partial blocks unencrypted and unauthenticated. An attacker could possibly use this issue to read or tamper with the affected final bytes. (CVE-2025-69418) Stanislav Fort discovered that OpenSSL incorrectly handled the PKCS12_get_friendlyname() utf-8 conversion. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69419) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in the TS_RESP_verify_response() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69420) Luigino Camastra discovered that OpenSSL incorrectly handled memory in the PKCS12_item_decrypt_d2i_ex function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2025-69421) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in PKCS#12 parsing. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2026-22795) Luigino Camastra discovered that OpenSSL incorrectly handled ASN1_TYPE validation in the PKCS7_digest_from_attributes() function. An attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. (CVE-2026-22796)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Compute Acceleration Framework; - Media drivers; - Netfilter; - TLS protocol; (CVE-2025-39946, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018, CVE-2025-40172, CVE-2025-40177)

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this to expose sensitive information from the host OS. (CVE-2025-40300) Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - HSI subsystem; - Media drivers; - Network drivers; - Bluetooth subsystem; - Timer subsystem; - Memory management; - Appletalk network protocol; - Netfilter; - TLS protocol; (CVE-2025-21729, CVE-2025-37838, CVE-2025-37958, CVE-2025-38118, CVE-2025-38227, CVE-2025-38352, CVE-2025-38616, CVE-2025-38666, CVE-2025-38678, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - Media drivers; - Memory management; - Appletalk network protocol; - Netfilter; (CVE-2025-37958, CVE-2025-38666, CVE-2025-39964, CVE-2025-39993, CVE-2025-40018)