Threat database

It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. (CVE-2026-31431) 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: - ARM64 architecture; - x86 architecture; - Cryptographic API; - Compute Acceleration Framework; - Drivers core; - Null block device driver; - Ublk userspace block driver; - Bluetooth drivers; - Counter interface drivers; - DMA engine subsystem; - DPLL subsystem; - GPU drivers; - HID subsystem; - Intel Trace Hub HW tracing drivers; - IIO ADC drivers; - IIO subsystem; - On-Chip Interconnect management framework; - IRQ chip drivers; - Modular ISDN driver; - LED subsystem; - Multiple devices driver; - UACCE accelerator framework; - MMC subsystem; - Ethernet bonding driver; - Network drivers; - Mellanox network drivers; - NVME drivers; - PHY drivers; - x86 platform drivers; - i.MX PM domains; - SCSI subsystem; - SLIMbus drivers; - SPI subsystem; - TCM subsystem; - W1 Dallas's 1-wire bus driver; - Xen hypervisor drivers; - BTRFS file system; - EFI Variable file system; - exFAT file system; - Ext4 file system; - HFS+ file system; - Network file system (NFS) client; - Network file system (NFS) server daemon; - NTFS3 file system; - SMB network file system; - Scheduler infrastructure; - Netfilter; - NFC subsystem; - Tracing infrastructure; - io_uring subsystem; - BPF subsystem; - Perf events; - Floating proportions library; - Memory management; - Bluetooth subsystem; - CAN network layer; - Ceph Core library; - Networking core; - IPv4 networking; - IPv6 networking; - L2TP protocol; - MAC80211 subsystem; - NET/ROM layer; - Packet sockets; - Network traffic control; - SCTP protocol; - TLS protocol; - Unix domain sockets; - VMware vSockets driver; - Wireless networking; - ALSA AC97 driver; - Generic PCM loopback sound driver; - Creative Sound Blaster X-Fi driver; - AMD SoC Alsa drivers; - Texas InstrumentS Audio (ASoC/HDA) drivers; - USB sound devices; - KVM subsystem; (CVE-2024-50004, CVE-2024-58096, CVE-2024-58097, CVE-2025-37926, CVE-2025-38201, CVE-2025-38591, CVE-2025-40039, CVE-2025-40082, CVE-2025-40149, CVE-2025-68351, CVE-2025-68358, CVE-2025-68365, CVE-2025-68725, CVE-2025-68749, CVE-2025-68803, CVE-2025-68823, CVE-2025-71160, CVE-2025-71162, CVE-2025-71163, CVE-2025-71180, CVE-2025-71182, CVE-2025-71183, CVE-2025-71184, CVE-2025-71185, CVE-2025-71186, CVE-2025-71188, CVE-2025-71189, CVE-2025-71190, CVE-2025-71191, CVE-2025-71192, CVE-2025-71193, CVE-2025-71194, CVE-2025-71195, CVE-2025-71196, CVE-2025-71197, CVE-2025-71198, CVE-2025-71199, CVE-2025-71200, CVE-2025-71220, CVE-2025-71222, CVE-2025-71224, CVE-2025-71225, CVE-2025-71268, CVE-2026-22976, CVE-2026-22977, CVE-2026-22978, CVE-2026-22979, CVE-2026-22980, CVE-2026-22982, CVE-2026-22984, CVE-2026-22990, CVE-2026-22991, CVE-2026-22992, CVE-2026-22994, CVE-2026-22996, CVE-2026-22997, CVE-2026-22998, CVE-2026-22999, CVE-2026-23000, CVE-2026-23001, CVE-2026-23003, CVE-2026-23005, CVE-2026-23006, CVE-2026-23010, CVE-2026-23011, CVE-2026-23019, CVE-2026-23020, CVE-2026-23021, CVE-2026-23025, CVE-2026-23026, CVE-2026-23030, CVE-2026-23031, CVE-2026-23032, CVE-2026-23033, CVE-2026-23035, CVE-2026-23037, CVE-2026-23038, CVE-2026-23047, CVE-2026-23049, CVE-2026-23050, CVE-2026-23053, CVE-2026-23054, CVE-2026-23056, CVE-2026-23057, CVE-2026-23058, CVE-2026-23059, CVE-2026-23061, CVE-2026-23062, CVE-2026-23063, CVE-2026-23064, CVE-2026-23065, CVE-2026-23068, CVE-2026-23069, CVE-2026-23071, CVE-2026-23073, CVE-2026-23075, CVE-2026-23076, CVE-2026-23078, CVE-2026-23080, CVE-2026-23083, CVE-2026-23084, CVE-2026-23085, CVE-2026-23086, CVE-2026-23087, CVE-2026-23088, CVE-2026-23089, CVE-2026-23090, CVE-2026-23091, CVE-2026-23093, CVE-2026-23094, CVE-2026-23095, CVE-2026-23096, CVE-2026-23097, CVE-2026-23098, CVE-2026-23099, CVE-2026-23101, CVE-2026-23102, CVE-2026-23103, CVE-2026-23105, CVE-2026-23107, CVE-2026-23108, CVE-2026-23110, CVE-2026-23113, CVE-2026-23116, CVE-2026-23119, CVE-2026-23120, CVE-2026-23121, CVE-2026-23123, CVE-2026-23124, CVE-2026-23125, CVE-2026-23126, CVE-2026-23128, CVE-2026-23129, CVE-2026-23131, CVE-2026-23133, CVE-2026-23135, CVE-2026-23136, CVE-2026-23139, CVE-2026-23140, CVE-2026-23141, CVE-2026-23142, CVE-2026-23144, CVE-2026-23145, CVE-2026-23146, CVE-2026-23148, CVE-2026-23150, CVE-2026-23151, CVE-2026-23156, CVE-2026-23159, CVE-2026-23160, CVE-2026-23163, CVE-2026-23164, CVE-2026-23166, CVE-2026-23167, CVE-2026-23168, CVE-2026-23170, CVE-2026-23172, CVE-2026-23173, CVE-2026-23176, CVE-2026-23178, CVE-2026-23179, CVE-2026-23180, CVE-2026-23182, CVE-2026-23187

It was discovered that ImageMagick incorrectly handled certain malformed image files in certain instances. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could possibly use these issues to cause a denial of service or possibly execute code. These issues only affected Ubuntu 14.04 LTS. (CVE-2018-15607, CVE-2018-18544, CVE-2019-13137, CVE-2019-13391, CVE-2019-13391) It was discovered that ImageMagick incorrectly handled certain malformed image files in certain instances. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could possibly use these issues to cause a denial of service or possibly execute code. (CVE-2026-24481, CVE-2026-24484, CVE-2026-24485, CVE-2026-25576, CVE-2026-25638, CVE-2026-25797, CVE-2026-25965) It was discovered that ImageMagick incorrectly handled certain malformed image files in certain instances. If a user or automated system using ImageMagick were tricked into opening a specifically crafted image, an attacker could possibly use these issues to cause a denial of service or possibly execute code. These issues only affected Ubuntu 25.10. (CVE-2026-25637, CVE-2026-25794, CVE-2026-25795, CVE-2026-25796, CVE-2026-25797, CVE-2026-25798, CVE-2026-25799, CVE-2026-25897, CVE-2026-25898)

Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line image files. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-27622) It was discovered that OpenEXR had an integer overflow in the PXR24 decoder. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34380) Quang Luong discovered that OpenEXR had a signed integer overflow in the PIZ decoder. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34588)

It was discovered that wheel did not correctly handle certain file paths. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to execute arbitrary code.

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information (kernel memory), local privilege escalation, or possibly escape a container. (LP: #2143853, CVE-2026-23268, CVE-2026-23269, CVE-2026-23403, CVE-2026-23404, CVE-2026-23405, CVE-2026-23406, CVE-2026-23407, CVE-2026-23408, CVE-2026-23409, CVE-2026-23410, CVE-2026-23411) 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: - ARM64 architecture; - MIPS architecture; - Nios II architecture; - PA-RISC architecture; - RISC-V architecture; - S390 architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x86 architecture; - Xtensa architecture; - Block layer subsystem; - Cryptographic API; - Compute Acceleration Framework; - ACPI drivers; - ATM drivers; - Drivers core; - Block device driver; - Network block device driver; - Bluetooth drivers; - Bus devices; - Hardware random number generator core; - Character device driver; - Data acquisition framework and drivers; - CPU frequency scaling framework; - Hardware crypto device drivers; - Device frequency scaling framework; - DMA engine subsystem; - ARM SCMI message protocol; - EFI core; - Intel Stratix 10 firmware drivers; - GPU drivers; - HID subsystem; - CoreSight HW tracing drivers; - IIO subsystem; - InfiniBand drivers; - Input Device core drivers; - Input Device (Miscellaneous) drivers; - Input Device (Tablet) drivers; - IOMMU subsystem; - ISDN/mISDN subsystem; - Mailbox framework; - Multiple devices driver; - Media drivers; - Fastrpc Driver; - MOST (Media Oriented Systems Transport) drivers; - MTD block device drivers; - Ethernet bonding driver; - Network drivers; - Mellanox network drivers; - STMicroelectronics network drivers; - Texas Instruments network drivers; - Ethernet team driver; - NVME drivers; - PCI subsystem; - PCCARD (PCMCIA/CardBus) bus subsystem; - Performance monitor drivers; - Pin controllers subsystem; - x86 platform drivers; - ARM PM domains; - PPS (Pulse Per Second) driver; - PTP clock framework; - PWM drivers; - Remote Processor subsystem; - S/390 drivers; - SCSI subsystem; - Texas Instruments SoC drivers; - TCM subsystem; - Trusted Execution Environment drivers; - TTY drivers; - Userspace I/O drivers; - Cadence USB3 driver; - DesignWare USB3 driver; - USB Gadget drivers; - USB Host Controller drivers; - Renesas USBHS Controller drivers; - USB Mass Storage drivers; - Virtio Host (VHOST) subsystem; - Framebuffer layer; - Xen hypervisor drivers; - AFS file system; - BTRFS file system; - Ceph distributed file system; - File systems infrastructure; - EFI Variable file system; - exFAT file system; - Ext4 file system; - F2FS file system; - FUSE (File system in Userspace); - GFS2 file system; - HFS file system; - HFS+ file system; - HugeTLB file system; - JFS file system; - KERNFS file system; - Network file system (NFS) client; - Network file system (NFS) server daemon; - File system notification infrastructure; - NTFS3 file system; - OCFS2 file system; - OrangeFS file system; - Proc file system; - Diskquota system; - SMB network file system; - SquashFS file system; - UDF file system; - XFS file system; - Asynchronous Transfer Mode (ATM) subsystem; - BPF subsystem; - Mellanox drivers; - NFS page cache wrapper; - Memory management; - Memory Management; - Media input infrastructure; - Bluetooth subsystem; - IP tunnels definitions; - Network traffic control; - Rose network layer; - Network sockets; - io_uring subsystem; - Control group (cgroup); - Kernel crash support code; - Kernel futex primitives; - PID allocator; - Scheduler infrastructure; - Syscalls implementation; - Timer subsystem; - Tracing infrastructure; - 9P file system network protocol; - Amateur Radio drivers; - B.A.T.M.A.N. meshing protocol; - Ethernet bridge; - Ceph Core library; - Networking core; - Devlink API; - IPv4 networking; - IPv6 networking; - MAC80211 subsystem; - Multipath TCP; - Netfilter; - NFC subsystem; - Open vSwitch; - RF switch subsystem; - SCTP protocol; - SMC sockets; - Sun RPC protocol; - TIPC protocol; - TLS protocol; - VMware vSockets driver; - Wireless networking; - eXpress Data Path; - XFRM subsystem; - Integrity Measurement Architecture(IMA) framework; - Intel ASoC drivers; - QCOM ASoC drivers; - USB sound devices; (CVE-2025-21833, CVE-2025-22103, CVE-2025-22105, CVE-2025-22106, CVE-2025-22107, CVE-2025-22113, CVE-2025-22121, CVE-2025-22124, CVE-202

It was discovered that the Ruby URI gem did not properly handle sensitive information when combining URIs. A remote attacker could possibly use this issue to leak authentication credentials.

Qualys discovered that several vulnerabilities existed in the AppArmor Linux kernel Security Module (LSM). An unprivileged local attacker could use these issues to load, replace, and remove arbitrary AppArmor profiles causing denial of service, exposure of sensitive information (kernel memory), local privilege escalation, or possibly escape a container. (LP: #2143853) 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; - Nios II architecture; - PA-RISC architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Sun Sparc architecture; - User-Mode Linux (UML); - x86 architecture; - Xtensa 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; - Block device driver; - Network block device driver; - Ublk userspace block driver; - Bluetooth drivers; - Bus devices; - Hardware random number generator core; - 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; - EFI core; - Intel Stratix 10 firmware drivers; - FPGA Framework; - GPU drivers; - HID subsystem; - Hardware monitoring drivers; - CoreSight HW tracing drivers; - I2C subsystem; - I3C subsystem; - IIO subsystem; - InfiniBand drivers; - Input Device core drivers; - Input Device (Miscellaneous) drivers; - Input Device (Tablet) drivers; - IOMMU subsystem; - IRQ chip drivers; - ISDN/mISDN subsystem; - Mailbox framework; - MCB driver; - Multiple devices driver; - Media drivers; - Multifunction device drivers; - Fastrpc Driver; - Microchip PCI driver; - Intel Management Engine Interface driver; - PCI Endpoint Test driver; - TI TPS6594 PFSM driver; - VMware VMCI Driver; - MMC subsystem; - MOST (Media Oriented Systems Transport) drivers; - MTD block device drivers; - Ethernet bonding driver; - Network drivers; - Mellanox network drivers; - STMicroelectronics network drivers; - Texas Instruments network drivers; - Ethernet team driver; - MediaTek network drivers; - NVDIMM (Non-Volatile Memory Device) drivers; - NVME drivers; - PCI subsystem; - PCCARD (PCMCIA/CardBus) bus subsystem; - Amlogic Meson DDR PMU; - Performance monitor drivers; - PHY drivers; - Pin controllers subsystem; - x86 platform drivers; - ARM PM domains; - Power supply drivers; - Powercap sysfs driver; - PPS (Pulse Per Second) 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; - Texas Instruments 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; - Userspace I/O drivers; - 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 Mass Storage 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; - AFS file system; - File systems infrastructure; - BTRFS file system; - Ceph distributed file system; - EFI Variable file system; - exFAT file system; - Ext4 file system; - F2FS file system; - FUSE (File system in Userspace); - GFS2 file system;

USN-8093-1 fixed a vulnerability in libssh. This update provides the corresponsing fix for Ubuntu 26.04 LTS. Original advisory details: It was discovered that libssh incorrectly performed bounds checking when processing SFTP extensions. If a client application queried extension data out of bounds, it could cause the application to crash, resulting in a denial of service, or exhibit unintended behavior.

USN-8087-1 fixed a vulnerability in python-cryptography. This update provides the corresponding update to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that python-cryptography incorrectly handled subgroup validation for SECT curves. A remote attacker could use this issue to perform a subgroup attack and possibly recover the least significant bits of private keys.