CVE-2026-53161

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free of fastrpcuser in workqueue context There is a race between fastrpcdevicerelease and the workqueue that processes DSP responses. When the user closes the file descriptor, fastrpcdevicerelease fre...

CVE-2026-53161 misc: fastrpc: fix use-after-free of fastrpc_user in workqueue context

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free of fastrpcuser in workqueue context There is a race between fastrpcdevicerelease and the workqueue that processes DSP responses. When the user closes the file descriptor, fastrpcdevicerelease fre...

EUVD-2026-39251

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free race in fastrpcmapcreate fastrpcmaplookup returns a raw pointer after releasing fl-lock. The caller fastrpcmapcreate then calls fastrpcmapget krefgetunlesszero on this unprotected pointer. A...

CVE-2026-53160 misc: fastrpc: fix use-after-free race in fastrpc_map_create

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free race in fastrpcmapcreate fastrpcmaplookup returns a raw pointer after releasing fl-lock. The caller fastrpcmapcreate then calls fastrpcmapget krefgetunlesszero on this unprotected pointer. A...

EUVD-2026-39250

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix DMA address corruption due to findvma misuse fastrpcgetargs uses findvma to look up the VMA for a user-provided pointer and compute a DMA address offset. When the address falls in a gap before the returned VMA,...

CVE-2026-53159

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix DMA address corruption due to findvma misuse fastrpcgetargs uses findvma to look up the VMA for a user-provided pointer and compute a DMA address offset. When the address falls in a gap before the returned VMA,...

CVE-2026-53159 misc: fastrpc: fix DMA address corruption due to find_vma misuse

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix DMA address corruption due to findvma misuse fastrpcgetargs uses findvma to look up the VMA for a user-provided pointer and compute a DMA address offset. When the address falls in a gap before the returned VMA,...

CVE-2026-53159

CVE-2026-53159 (Linux kernel) : The vulnerability is in misc: fastrpc where fastrpc_get_args() uses find_vma() to locate the VMA for a user pointer and compute a DMA address. If the address lies in a gap before the returned VMA, (ptr & PAGE_MASK) - vma->vm_start underflows, corrupting the DMA ...

EUVD-2026-39249

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix NULL pointer dereference in rpmsg callback A NULL pointer dereference was observed on Hawi at boot when the DSP sends a glink message before fastrpcrpmsgprobe has completed initialization: Unable to handle kern...

CVE-2026-53158

The CVE-2026-53158 issue affects the Linux kernel misc: fastrpc subsystem, where a NULL pointer dereference could occur in rpmsg callback if fastrpc_rpmsg_probe() hasn’t completed or if the callback fires before dev_set_drvdata(). The fault trace points to a NULL cctx in fastrpc_channel_ctx when ...

CVE-2026-53158 misc: fastrpc: Fix NULL pointer dereference in rpmsg callback

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix NULL pointer dereference in rpmsg callback A NULL pointer dereference was observed on Hawi at boot when the DSP sends a glink message before fastrpcrpmsgprobe has completed initialization: Unable to handle kern...

PT-2026-52256

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free race condition exists in the fastrpc map create function. The fastrpc map lookup function returns a raw pointer after releasing the fl-lock. Subsequently, fastrpc map...

PT-2026-52255

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fastrpc component where the fastrpc get args function incorrectly uses find vma to locate the Virtual Memory Area VMA for a user-provided pointer to calculate a DM...

PT-2026-52257

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists between fastrpc device release and the workqueue processing DSP responses. When a user closes a file descriptor, fastrpc device release frees the fastrpc user...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: avoid double fput on failed usercopy If the copy back to userland fails for the FASTRPCIOCTLALLOCDMABUFF ioctl, we should not assume that ‘buf-dmabuf’ is still valid. In fact, dmabuffd calls fdinstall before, there...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap The function fastrpcinitcreatestaticprocess may free the cctx-remoteheap on the errmap path, but does not clear the pointer to it. Later, the function fastrpcrpmsgremove may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix the dmabuf object leak in fastrpcmaplookup In fastrpcmaplookup, the dmabufget function is called to obtain a reference to the dmabuf object for comparison purposes. However, this reference is never released whe...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on open The overflow check in the probe session-duplication function increased the session count, even when there were no more available sessions. This could lead to corruption of memory beyon...

SUSE CVE-2026-31730

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: possible double-free of cctx-remoteheap fastrpcinitcreatestaticprocess may free cctx-remoteheap on the errmap path but does not clear the pointer. Later, fastrpcrpmsgremove frees cctx-remoteheap again if it is...

Linux Distros Unpatched Vulnerability : CVE-2026-31730

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - misc: fastrpc: possible double-free of cctx-remoteheap fastrpcinitcreatestaticprocess may free cctx-remoteheap on the errmap path but does not clear the pointer...