CVE-2026-23398

CVE-2026-23398 Linux Kernel icmptagvalidation NULL Pointer Dereference Remote DoS Description icmptagvalidation in net/ipv4/icmp.c dereferences inetprotosproto without a NULL check. A remote attacker can send a single crafted ICMP Fragmentation Needed packet with an unregistered inner protocol...

CVE-2026-89855

A flaw was found in the Linux kernel's scsi: qla2xxx component. A local attacker could exploit a race condition in the flash version read handler. By concurrently triggering a sysfs reset operation and other flash operations, an attacker could corrupt flash register reads. This could lead to data...

CVE-2026-89790

A flaw was found in the Linux kernel's IPv6 networking subsystem. A race condition can occur during IPv6 multipath route rebalancing, where a concurrent update can lead to a divide-by-zero error. This vulnerability can cause the kernel to crash, resulting in a Denial of Service DoS for the affect...

CVE-2026-89784

A flaw was found in the Linux kernel's SUNRPC component. When an in-kernel RPC service registers with the local rpcbind under memory pressure, a failure in memory allocation can lead to a NULL pointer being dereferenced. This unchecked NULL pointer can cause the kernel to crash, resulting in a...

CVE-2026-89577

A flaw was found in the Linux kernel's device mapper I/O dm-io and RAID1 dm-raid1 components. Incorrect error handling for non-retryable errors such as BLKSTSNOTSUPP and BLKSTSINVAL could lead to misbehavior when a user utilizes unaligned bio vectors on dm-raid1. This misbehavior could potentiall...

CVE-2026-89562

A flaw was found in the Linux kernel's IPv6 Generic Routing Encapsulation GRE subsystem. The kernel incorrectly calculates the hardware header length for Non-Broadcast Multiple Access NBMA tunnel interfaces by improperly accumulating the underlying device's header length. A local authenticated...

CVE-2026-80913

A flaw was found in the Linux kernel's SELinux subsystem. An attacker with local access could exploit this by providing a specially crafted SELinux policy. This policy, containing an incorrect number of defined boolean values, would cause the kernel to attempt to access an invalid memory location...

CVE-2026-80912

A flaw was found in the Linux kernel's SELinux subsystem. When processing security class values, the securitygetclasses function could return a null pointer if a class value was not properly defined by the security policy. This could lead to a null pointer dereference, potentially causing a syste...

CVE-2026-80892

A flaw was found in the Linux kernel's EROFS Enhanced Read-Only File System component. On systems with a high number of processing units, mounting a specially crafted EROFS image can cause the kernel to allocate an excessive amount of memory for LZMA decompression streams. This uncontrolled memor...

CVE-2026-80888

A flaw was found in the drm/vmwgfx component of the Linux kernel. An unprivileged client can exploit this vulnerability by passing a specially crafted file descriptor fd to the DRMVMWGBSURFACEREF or DRMVMWGBSURFACEREFEXT paths. This can lead to a dmabuf reference leak, causing resource exhaustion...

CVE-2026-80876

A flaw was found in the Linux kernel's ring-buffer component. When 8-byte alignment is enforced, the system incorrectly calculates the length of small events. This error causes these events to report a data length that is 4 bytes larger than their actual size. This discrepancy can lead to...

CVE-2026-80884

A flaw was found in the Linux kernel's NTB Non-Transparent Bridge module. This vulnerability arises from the incorrect handling of Direct Memory Access DMA addresses during memory deallocation. The DMA API requires that the dmafreeattrs function receives the exact dmahandle originally provided by...

CVE-2026-80873

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine component on ARM64 systems. When a nested guest hypervisor L2 encounters a System Error SError exception, the ESREL2 register, which provides details about the exception, is not properly updated. This can cause the guest L2...

CVE-2026-80870

A flaw was found in the Linux kernel's drm/amdkfd component. A local user could provide a specially crafted ID during the Checkpoint/Restore in Userspace CRIU restore process. If this restored ID is larger than the maximum integer value INTMAX, it can trigger a kernel warning. This warning may le...

CVE-2026-80866

A flaw was found in the Linux kernel's TIPC Transparent Inter-Process Communication subsystem. A busy-wait loop in the tipcexitnet function, intended to wait for UDP bearer cleanup, can consume excessive CPU cycles. This issue arises when the condresched function is ineffective, such as when a...

CVE-2026-80845

A flaw was found in the Linux kernel's xfrm IPSec framework component. A lock inversion vulnerability exists within the natkeepalivework function. This flaw can lead to an AB-BA deadlock when a Network Address Translation NAT keepalive worker races with Security Association SA deletion. The...

CVE-2026-80861

A flaw was found in the Linux kernel's USB eXtensible Host Controller Interface xHCI driver. When an xHCI host controller is inaccessible during its setup process, the driver attempts to read from an incorrectly calculated memory address. This unaligned memory access can cause a kernel panic,...

CVE-2026-80828

A flaw was found in the ALSA Advanced Linux Sound Architecture USB audio driver in the Linux kernel. When a system resume operation fails for a USB audio device, the driver's error handling is incomplete. This can leave the audio card in an unusable state, blocking further control access and...

CVE-2026-80815

A flaw was found in the ALSA scarlett2 driver in the Linux kernel. This issue arises from the driver's improper management of Universal Serial Bus Request Blocks URBs for notification endpoints, where an already allocated URB is reused without proper re-initialization. This can lead to a system...

CVE-2026-80786

A flaw was found in the fbdev subsystem of the Linux kernel. This vulnerability occurs because certain user-invoked display mode changes, specifically those not using the FBIOPUTVSCREENINFO ioctl, fail to properly update the fbcon state. A local user could potentially exploit this by triggering a...