Linux Distros Unpatched Vulnerability : CVE-2026-89742

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferenc...

CVE-2026-89742

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

DEBIAN-CVE-2026-89742

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

CVE-2026-89742

CVE-2026-89742 is a use-after-free vulnerability in the Linux kernel's RapidIO mport character device driver , specifically in the dma_req_free() function. After kref_put() drops the last reference to a mapping and the mapping is freed by mport_release_mapping(), a subsequent mutex_unlock() deref...

CVE-2026-89742

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

CVE-2026-89742 rapidio: mport_cdev: fix use-after-free in dma_req_free()

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

CVE-2026-89742 rapidio: mport_cdev: fix use-after-free in dma_req_free()

In the Linux kernel, the following vulnerability has been resolved: rapidio: mportcdev: fix use-after-free in dmareqfree dmareqfree acquires bufmutex through req-map, drops the mapping reference with krefput, and then dereferences req-map again to unlock the mutex. If krefput drops the last...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fbdev: smscufx: Fixed several use-after-free bugs. Multiple types of UAFs Use-After-Free errors can occur when physically removing a USB device. The ufxopsdestroy function has been added to the .fbdestroy of the fbops structur...

UBUNTU-CVE-2026-74608

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifstryaddingchannels cifstryaddingchannels takes a temporary reference to an interface before dropping ifacelock. If cifssesaddchannel fails, it drops that reference and then increments...

CVE-2026-72082

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efcthwioabort When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in the function. All other...

CVE-2026-72082 scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efcthwioabort When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in the function. All other...

EUVD-2026-59040

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efcthwioabort When efcthwreqtagalloc fails in efcthwioabort, the error path returns -ENOSPC without releasing the reference obtained via krefgetunlesszero earlier in the function. All other...

DEBIAN-CVE-2026-68242

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on schedengine alloc failure Avoid using intelcontextput before intelcontextinit in execlistscreatevirtual as the krefput inside would lead to NULL deref on the IOCTL path when schedengine allocation...

UBUNTU-CVE-2026-68242

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Fix NULL deref on schedengine alloc failure Avoid using intelcontextput before intelcontextinit in execlistscreatevirtual as the krefput inside would lead to NULL deref on the IOCTL path when schedengine allocation...

CVE-2026-45964

CVE-2026-45964 concerns the Linux kernel SUNRPC path. The issue is a kref leak in gss_auth when handling an error path in gss_alloc_msg, where a failure to balance references on kstrdup_const() error path caused the gss_auth structure to remain allocated. The fix adds a forward declaration for gs...

CVE-2025-68226 smb: client: fix incomplete backport in cfids_invalidation_worker()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix incomplete backport in cfidsinvalidationworker The previous commit bdb596ceb4b7 "smb: client: fix potential UAF in smb2closecachedfid" was an incomplete backport and missed one krefput call in...

AZL-55229 CVE-2024-56631 affecting package kernel for versions less than 5.15.179.1-1

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sgrelease Fix a use-after-free bug in sgrelease, detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lockrelease+0x151/0xa30 kernel/locking/lockdep.c:5838...

CVE-2024-49852 scsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: libefc: Fix potential use after free in efcnportvportdel The krefput function will call nport-release if the refcount drops to zero. The nport-release release function is efcnportfree which frees "nport". But then we...

CVE-2023-52741

CVE-2023-52741 is a Linux kernel vulnerability affecting the CIFS implementation. The flaw is a use-after-free in rdata->read_into_pages() that can occur when reading data from a server during unstable network conditions, manifested as a use-after-free in readpages_fill_pages. The issue is dem...

CVE-2024-27043

In the Linux kernel, the following vulnerability has been resolved: media: edia: dvbdev: fix a use-after-free In dvbregisterdevice, pdvbdev is set equal to dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev's deallocation, causing...