CVE-2022-49159

scsi: qla2xxx: Implement ref count for SRB

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Implement ref count for SRB The timeout handler and the done function are racing. When qla2x00_async_iocb_timeout() starts to run it can be preempted by the normal response path (via the firmware?). qla24xx_async_gpsc_sp_done() releases the SRB unconditionally. When scheduling back to qla2x00_async_iocb_timeout() qla24xx_async_abort_cmd() will access an freed sp->qpair pointer: qla2xxx [0000:83:00.0]-2871:0: Async-gpsc timeout - hdl=63d portid=234500 50:06:0e:80:08:77:b6:21. qla2xxx [0000:83:00.0]-2853:0: Async done-gpsc res 0, WWPN 50:06:0e:80:08:77:b6:21 qla2xxx [0000:83:00.0]-2854:0: Async-gpsc OUT WWPN 20:45:00:27:f8:75:33:00 speeds=2c00 speed=0400. qla2xxx [0000:83:00.0]-28d8:0: qla24xx_handle_gpsc_event 50:06:0e:80:08:77:b6:21 DS 7 LS 6 rc 0 login 1|1 rscn 1|0 lid 5 BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 IP: qla24xx_async_abort_cmd+0x1b/0x1c0 [qla2xxx] Obvious solution to this is to introduce a reference counter. One reference is taken for the normal code path (the 'good' case) and one for the timeout path. As we always race between the normal good case and the timeout/abort handler we need to serialize it. Also we cannot assume any order between the handlers. Since this is slow path we can use proper synchronization via locks. When we are able to cancel a timer (del_timer returns 1) we know there can't be any error handling in progress because the timeout handler hasn't expired yet, thus we can safely decrement the refcounter by one. If we are not able to cancel the timer, we know an abort handler is running. We have to make sure we call sp->done() in the abort handlers before calling kref_put().

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-98411

power: sequencing: fix NULL-pointer dereference in pwrseq_device_register()

In the Linux kernel, the following vulnerability has been resolved: power: sequencing: fix NULL-pointer dereference in pwrseq_device_register() If dev_set_name() fails in pwrseq_device_register(), we jump to the err_put_pwrseq label before initializing pwrseq->targets. pwrseq_release() will try to iterate over targets unconditionally and subsequently dereference an invalid pointer. Move the call to dev_set_name() after the list head is initialized.

CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-98416

dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn()

In the Linux kernel, the following vulnerability has been resolved: dmaengine: ti: k3-udma-glue: fix NULL dereference in k3_udma_glue_release_rx_chn() If devm_kcalloc() for rx_chn->flows fails in a channel request function, the error path calls k3_udma_glue_release_rx_chn(), which dereferences the NULL rx_chn->flows pointer in k3_udma_glue_release_rx_flow(). Skip the flow release loop in k3_udma_glue_release_rx_chn() when rx_chn->flows is not allocated. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-111128

Assimp through 6.0.5 NULL Pointer Dereference via Ogre Importer Bone Assignment

Assimp through 6.0.5 contains a NULL pointer dereference vulnerability in the Ogre3D importer that allows attackers to crash applications via unvalidated bone indices in OgreStructs.cpp. Attackers can supply a crafted .mesh and .skeleton file referencing a missing bone, causing BoneById() to return null and crash the host process.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed

Vendors

Assimp

Products

Assimp

CVE-2026-104004

Collection validators using collation-accepting expressions can crash MongoDB Server on insert

MongoDB Server's collection validation feature may not properly handle certain expressions stored in a validator. In some cases, this can cause the server process to stop running when a document is later inserted. The behavior can occur for authenticated users with write access.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Mongodb

Products

Mongodb Server

CVE-2026-107888

cups: CUPS: Denial of Service via deleted temporary printer

OpenPrinting CUPS before 2.4.20 contains a NULL pointer dereference in cupsdCheckJobs() when a job marked job-held-on-create refers to a temporary printer that has been automatically deleted. Temporary-printer cleanup can remove the destination without canceling its held jobs, and the scheduler dereferences the NULL result of cupsdFindDest() while checking holding_new_jobs. This terminates cupsd and interrupts all queues managed by that process. In some plausible scenarios, an unprivileged submission can trigger this.

CVSS 3.1 · 5.1 Medium EPSS < 1% KEV · Not listed

Vendors

Openprinting

Products

Cups

CVE-2026-47753

Incus has a Nil-Pointer Dereference Panic via Instance Backup Import (volume omitted)

Incus is a system container and virtual machine manager. Prior to version 7.1.0, `(*backend).CreateInstanceFromBackup` in `internal/server/storage/backend.go` contains a nil-pointer dereference that an authenticated user with permission to create instances in any project can trigger remotely by uploading a crafted backup tarball. The Incus daemon panics and the process crashes, causing denial of service to every project on that cluster member. This is a sibling of `GHSA-fwj8-62r8-8p8m`, `GHSA-r7w7-mmxr-47r9`, and `GHSA-x5r6-jr56-89pv` (all assigned 2026-05-04). Those patches added guards on adjacent fields of the same `backup/config.Config` struct; the `Volume` field on the instance-import path was missed. Version 7.1.0 contains an updated patch.

CVSS 4.0 · 4.4 Medium EPSS < 1% KEV · Not listed

Vendors

Lxc

Products

Incus

CVE-2026-103824

Substance3D - Designer | NULL Pointer Dereference (CWE-476)

Substance3D - Designer is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Adobe Apple Microsoft

Products

Substance 3d Designer Macos Windows

CVE-2026-103826

Substance3D - Designer | NULL Pointer Dereference (CWE-476)

Substance3D - Designer is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Adobe Apple Microsoft

Products

Substance 3d Designer Macos Windows

CVE-2026-103828

Substance3D - Designer | NULL Pointer Dereference (CWE-476)

Substance3D - Designer is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Adobe Apple Microsoft

Products

Substance 3d Designer Macos Windows

CVE-2026-103829

Substance3D - Designer | NULL Pointer Dereference (CWE-476)

Substance3D - Designer is affected by a NULL Pointer Dereference vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Adobe Apple Microsoft

Products

Substance 3d Designer Macos Windows

CVE-2018-20786

libvterm: NULL pointer dereference in vterm_screen_set_callbacks

libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.

CVSS 3.0 · 7.5 High EPSS 2.9% KEV · Not listed

Vendors

Leonerd

Products

Libvterm

CVE-2018-19542

jasper: invalid access in jp2_decode in libjasper/jp2/jp2_dec.c

An issue was discovered in JasPer 2.0.14. There is a NULL pointer dereference in the function jp2_decode in libjasper/jp2/jp2_dec.c, leading to a denial of service.

CVSS 3.0 · 6.5 Medium EPSS 2.0% KEV · Not listed

Vendors

Canonical Debian Jasper Project and 2 more

Products

Ubuntu Linux Debian Linux Jasper and 3 more

CVE-2026-110834

FreeRDP 2.0.0 before 3.32.0 Denial of Service via Serial IRP Null Handle

FreeRDP from 2.0.0 before 3.32.0 contains a null pointer dereference vulnerability that allows malicious RDP servers to crash clients by sending out-of-lifecycle serial IRPs. Attackers can send IRP_MJ_READ or IRP_MJ_WRITE before create or after close, causing CommReadFile or CommWriteFile to dereference a null handle and terminate clients using Linux serial redirection.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Freerdp

Products

Freerdp

CVE-2026-110829

FreeRDP 3.0.0 before 3.32.0 Null Pointer Dereference via rdpsnd Fragment

FreeRDP versions from 3.0.0 before 3.32.0 contain a null pointer dereference in the rdpsnd channel when a fragment sets CHANNEL_FLAG_LAST without CHANNEL_FLAG_FIRST. A malicious RDP server can send a malformed rdpsnd PDU on a fresh channel to crash the client and cause denial of service.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed

Vendors

Freerdp

Products

Freerdp

CVE-2026-80524

optee: ffa: Add NULL check in optee_ffa_lend_protmem

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-72091

accel/amdxdna: reject user command submission without a command BO

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: reject user command submission without a command BO amdxdna_drm_submit_execbuf() passes the user-supplied command BO handle straight into amdxdna_cmd_submit() with drv_cmd == NULL. When the handle is AMDXDNA_INVALID_BO_HANDLE (0), the block that fetches job->cmd_bo is skipped, leaving it NULL, and no check rejects it on the user path (the !job->cmd_bo guard lives inside the != INVALID branch). The job is then armed and pushed to the DRM scheduler. aie2_sched_job_run() takes the drv_cmd == NULL path and calls amdxdna_cmd_set_state(job->cmd_bo) -> amdxdna_gem_vmap(NULL) -> to_gobj(NULL)->dev, a NULL pointer dereference in the drm_sched worker. A process with access to the accel node on a system with a probed AMD NPU can trigger a kernel oops with a single AMDXDNA_EXEC_CMD ioctl (cmd_handles = 0). Only internal driver commands (SYNC_DEBUG_BO / ATTACH_DEBUG_BO) legitimately pass AMDXDNA_INVALID_BO_HANDLE, and they always set drv_cmd. Reject the invalid handle for user submissions (drv_cmd == NULL) at the submit choke point so every user path is covered. Found by 0sec automated security-research tooling (https://0sec.ai).

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-64040

cachefiles: Fix error return when vfs_mkdir() fails

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix error return when vfs_mkdir() fails When vfs_mkdir() fails, the error code is not extracted from the returned error pointer. This causes mkdir_error to be reached with ret=0, which leads to returning ERR_PTR(0) (NULL) instead of a proper error pointer. Fix this by extracting the error code from the error pointer when vfs_mkdir() fails.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-23341

accel/amdxdna: Fix crash when destroying a suspended hardware context

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix crash when destroying a suspended hardware context If userspace issues an ioctl to destroy a hardware context that has already been automatically suspended, the driver may crash because the mailbox channel pointer is NULL for the suspended context. Fix this by checking the mailbox channel pointer in aie2_destroy_context() before accessing it.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel

CVE-2026-23328

accel/amdxdna: Fix NULL pointer dereference of mgmt_chann

In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix NULL pointer dereference of mgmt_chann mgmt_chann may be set to NULL if the firmware returns an unexpected error in aie2_send_mgmt_msg_wait(). This can later lead to a NULL pointer dereference in aie2_hw_stop(). Fix this by introducing a dedicated helper to destroy mgmt_chann and by adding proper NULL checks before accessing it.

CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed

Vendors

Linux

Products

Linux Kernel