EUVD-2026-86238

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix callocated underflow on large folio split nouveaudmemfoliofree drops chunk-callocated once per freed folio, while a large compound device-private folio is only counted once when it is allocated. When such a...

CVE-2026-93233

The Linux kernel contains a vulnerability in the drm/nouveau/dmem component where a large (compound) device-private folio split causes a callocated underflow . Specifically, while nouveau_dmem_folio_free() decrements chunk->callocated for every freed folio, the nouveau_dmem_folio_split() hook ...

CVE-2026-93233

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix callocated underflow on large folio split nouveaudmemfoliofree drops chunk-callocated once per freed folio, while a large compound device-private folio is only counted once when it is allocated. When such a...

AZL-101243 CVE-2026-89802 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix NULL deref unwinding an OPMAPSPARSE op Each bindjobop is zeroed by kzallocobj in bindjobopfromuop, and the OPMAPSPARSE case in nouveauuvmmbindjobsubmit only creates a region, so op-ops stays NULL for a...

DEBIAN-CVE-2026-89803

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

CVE-2026-89804

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

DEBIAN-CVE-2026-89802

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix NULL deref unwinding an OPMAPSPARSE op Each bindjobop is zeroed by kzallocobj in bindjobopfromuop, and the OPMAPSPARSE case in nouveauuvmmbindjobsubmit only creates a region, so op-ops stays NULL for a...

CVE-2026-89803

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

AZL-101430 CVE-2026-89803 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

DEBIAN-CVE-2026-89801

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix premature region free on failed OPUNMAPSPARSE In nouveauuvmmbindjobsubmit's OPUNMAPSPARSE arm, op-reg is set from nouveauuvmaregionfind, which only looks the region up and takes no reference; a region's sole...

AZL-101661 CVE-2026-89801 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: fix premature region free on failed OPUNMAPSPARSE In nouveauuvmmbindjobsubmit's OPUNMAPSPARSE arm, op-reg is set from nouveauuvmaregionfind, which only looks the region up and takes no reference; a region's sole...

DEBIAN-CVE-2026-89800

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: clear the dirty flag when unwinding an OPUNMAPSPARSE A successful OPUNMAPSPARSE marks its region dirty with nouveauuvmaregiondirty and defers the teardown to nouveauuvmmbindjobcleanup; it does not remove the...

EUVD-2026-80404

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

CVE-2026-89804

CVE-2026-89804 affects the Linux kernel 's drm/nouveau/dmem subsystem, specifically the device-private THP (Transparent Huge Page) migration path. The root cause is a mismatched DMA unmap size : two teardown sites—nouveau_dmem_migrate_to_ram() (success path) and nouveau_dmem_migrate_copy_one() (c...

CVE-2026-89804 drm/nouveau/dmem: fix mismatched DMA unmap size for large folios

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

CVE-2026-89804 drm/nouveau/dmem: fix mismatched DMA unmap size for large folios

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/dmem: fix mismatched DMA unmap size for large folios Device-private THP migration maps migration buffers with pagesize and records that length in dmainfo-size. For a compound folio pagesize is PAGESIZE 0 folio this...

EUVD-2026-80403

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

CVE-2026-89803 drm/nouveau: unsubscribe the channel-kill event before the fence context

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

CVE-2026-89803 drm/nouveau: unsubscribe the channel-kill event before the fence context

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: unsubscribe the channel-kill event before the fence context nouveauchanneldel tears the fence context down first and only drops the channel-kill subscription later, in the middle of the nvif object teardown: if...

CVE-2026-89803

CVE-2026-89803 is a use-after-free in the Linux kernel's DRM/Nouveau driver. In nouveau_channel_del(), the fence context is destroyed before the channel-kill event subscription is dropped, leaving a narrow window where a kill event handler can dereference an already-freed fence context. The bug i...