UBUNTU-CVE-2026-45991

In the Linux kernel, the following vulnerability has been resolved: udf: fix partition descriptor append bookkeeping Mounting a crafted UDF image with repeated partition descriptors can trigger a heap out-of-bounds write in partdescsloc. handlepartitiondescriptor deduplicates entries by partition...

UBUNTU-CVE-2026-45981

In the Linux kernel, the following vulnerability has been resolved: s390/cio: Fix device lifecycle handling in cssallocsubchannel cssallocsubchannel calls deviceinitialize before setting up the DMA masks. If dmasetcoherentmask or dmasetmask fails, the error path frees the subchannel structure...

CVE-2026-45863

In the Linux kernel, the following vulnerability has been resolved: i3c: dw: Fix memory leak in dwi3cmasteri2cxfers The dwi3cmasteri2cxfers function allocates memory for the xfer structure using dwi3cmasterallocxfer. If pmruntimeresumeandget fails, the function returns without freeing the allocat...

UBUNTU-CVE-2026-45853

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Use kvfree instead of kfree in amdgpugmcgetnpsmemranges amdgpudiscoverygetnpsinfo internally allocates memory for ranges using kvcalloc, which may use vmalloc for large allocation. Using kfree to release vmalloc memor...

EUVD-2026-32483

In the Linux kernel, the following vulnerability has been resolved: fs: afs: revert mmapprepare change Partially reverts commit 9d5403b1036c "fs: convert most other genericfilemmap users to .mmapprepare". This is because the .mmap invocation establishes a refcount, but .mmapprepare is called at a...

CVE-2026-46091

In the Linux kernel, the following vulnerability has been resolved: media: rc: igorplugusb: heed coherency rules In a control request, the USB request structure can be subject to DMA on some HCs. Hence it must obey the rules for DMA coherency. Allocate it separately...

CVE-2026-46066 ceph: fix num_ops off-by-one when crypto allocation fails

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46066

CVE-2026-46066 pertains to a Linux kernel issue that surfaces as a panic in multi-folio encrypted writes when a bounce buffer allocation fails during fscrypt-enabled CephFS writes. The root cause, described in the CVE entry, is that move_dirty_folio_in_page_array() may fail after the batch has st...

CVE-2026-46066

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

EUVD-2026-32448

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

CVE-2026-46066 ceph: fix num_ops off-by-one when crypto allocation fails

In the Linux kernel, the following vulnerability has been resolved: ceph: fix numops off-by-one when crypto allocation fails movedirtyfolioinpagearray may fail if the file is encrypted, the dirty folio is not the first in the batch, and it fails to allocate a bounce buffer to hold the ciphertext...

EUVD-2026-32416

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

CVE-2026-46029

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...

CVE-2026-46010 rxrpc: Fix error handling in rxgk_extract_token()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix error handling in rxgkextracttoken Fix a missing bit of error handling in rxgkextracttoken: in the event that rxgkdecryptskb returns -ENOMEM, it should just return that rather than continuing on for anything else, it...

CVE-2026-46010 rxrpc: Fix error handling in rxgk_extract_token()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix error handling in rxgkextracttoken Fix a missing bit of error handling in rxgkextracttoken: in the event that rxgkdecryptskb returns -ENOMEM, it should just return that rather than continuing on for anything else, it...

EUVD-2026-32307

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix error handling in rxgkextracttoken Fix a missing bit of error handling in rxgkextracttoken: in the event that rxgkdecryptskb returns -ENOMEM, it should just return that rather than continuing on for anything else, it...

CVE-2026-46005 xfs: fix a resource leak in xfs_alloc_buftarg()

In the Linux kernel, the following vulnerability has been resolved: xfs: fix a resource leak in xfsallocbuftarg In the error path, call fsputdax to drop the DAX device reference...

CVE-2026-45981

CVE-2026-45981 (Linux kernel, s390/cio): The vulnerability stems from device lifecycle mismanagement in css_alloc_subchannel() where, if dma_set_coherent_mask() or dma_set_mask() fails, the error path frees the subchannel without proper device model reference counting. After device_initialize() i...

CVE-2026-45978 staging: greybus: lights: avoid NULL deref

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...