CVE-2026-43169 drm/buddy: Prevent BUG_ON by validating rounded allocation

In the Linux kernel, the following vulnerability has been resolved: drm/buddy: Prevent BUGON by validating rounded allocation When DRMBUDDYCONTIGUOUSALLOCATION is set, the requested size is rounded up to the next power-of-two via rounduppowoftwo. Similarly, for non-contiguous allocations with lar...

CVE-2026-43156 net: usb: pegasus: enable basic endpoint checking

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: enable basic endpoint checking pegasusprobe fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX data -...

CVE-2026-43148 powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: Add check for kcalloc failure in parsethreadgroups As kcalloc may fail, check its return value to avoid a NULL pointer dereference when passing it to ofpropertyreadu32array...

CVE-2026-43146

In the Linux kernel, the following vulnerability has been resolved: media: iris: Add buffer to list only after successful allocation Move listaddtail to after dmaallocattrs succeeds when creating internal buffers. Previously, the buffer was enqueued in buffers-list before the DMA allocation. If t...

CVE-2026-43141 ntb: ntb_hw_switchtec: Fix shift-out-of-bounds for 0 mw lut

In the Linux kernel, the following vulnerability has been resolved: ntb: ntbhwswitchtec: Fix shift-out-of-bounds for 0 mw lut Number of MW LUTs depends on NTB configuration and can be set to zero, in such scenario rounddownpowoftwo will cause undefined behaviour and should not be performed. This...

CVE-2026-43136

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Check maxfield in hidppgetreportlength Do not crash when a report has no fields. Fake USB gadgets can send their own HID report descriptors and can define report structures without valid fields. This can be...

CVE-2026-43129

The CVE-2026-43129 issue stems from the Linux kernel IMA subsystem: when booting a second-stage kernel via kexec with a memory-limited command line, the IMA measurement buffer from the previous kernel could lie outside the new kernel’s addressable RAM, causing an early-page fault on x86_64. The f...

CVE-2026-43129 ima: verify the previous kernel's IMA buffer lies in addressable RAM

In the Linux kernel, the following vulnerability has been resolved: ima: verify the previous kernel's IMA buffer lies in addressable RAM Patch series "Address page fault in imarestoremeasurementlist", v3. When the second-stage kernel is booted via kexec with a limiting command line such as "mem="...

CVE-2026-43129 ima: verify the previous kernel's IMA buffer lies in addressable RAM

In the Linux kernel, the following vulnerability has been resolved: ima: verify the previous kernel's IMA buffer lies in addressable RAM Patch series "Address page fault in imarestoremeasurementlist", v3. When the second-stage kernel is booted via kexec with a limiting command line such as "mem="...

CVE-2026-43129

In the Linux kernel, the following vulnerability has been resolved: ima: verify the previous kernel's IMA buffer lies in addressable RAM Patch series "Address page fault in imarestoremeasurementlist", v3. When the second-stage kernel is booted via kexec with a limiting command line such as "mem="...

CVE-2026-43124

In the Linux kernel, the following vulnerability has been resolved: pstore: ramcore: fix incorrect success return when vmap fails In persistentramvmap, vmap may return NULL on failure. If offset is non-zero, adding offsetinpagestart causes the function to return a non-NULL pointer even though the...

CVE-2026-43124

The CVE-2026-43124 issue affects Linux kernel pstore ram_core, where persistent_ram_vmap() could return a non-NULL pointer after vmap() failed, causing persistent_ram_buffer_map() to incorrectly report success and potentially dereference an invalid address on access, leading to a crash (DoS). Roo...

CVE-2026-43124 pstore: ram_core: fix incorrect success return when vmap() fails

In the Linux kernel, the following vulnerability has been resolved: pstore: ramcore: fix incorrect success return when vmap fails In persistentramvmap, vmap may return NULL on failure. If offset is non-zero, adding offsetinpagestart causes the function to return a non-NULL pointer even though the...

CVE-2026-43123

In the Linux kernel, the following vulnerability has been resolved: fbcon: check return value of con2fbacquirenewinfo If fbconopen fails when called from con2fbacquirenewinfo then info-fbconpar pointer remains NULL which is later dereferenced. Add check for return value of the function...

CVE-2026-43123

Summary: CVE-2026-43123 affects the Linux kernel’s fbcon component. The root cause is a missing return-value check in con2fb_acquire_newinfo(); if fbcon_open() fails during this call, info->fbcon_par may be NULL and dereferenced, potentially crashing the system. The provided documents indicate...

CVE-2026-43122 ACPI: processor: Update cpuidle driver check in __acpi_processor_start()

In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: Update cpuidle driver check in acpiprocessorstart Commit 7a8c994cbb2d "ACPI: processor: idle: Optimize ACPI idle driver registration" moved the ACPI idle driver registration to acpiprocessordriverinit and...

CVE-2026-43109

In the Linux kernel, the following vulnerability has been resolved: x86: shadow stacks: proper error handling for mmap lock 김영민 reports that shstkpopsigframe doesn't check for errors from mmapreadlockkillable, which is a silly oversight, and also shows that we haven't marked those functions with...

CVE-2026-43112

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., "/", the current logic attempts to check cursor2 - 1 before cursor2...

CVE-2026-43077

In the Linux kernel, the following vulnerability has been resolved: crypto: algifaead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length...

kernel: ALSA: aloop: Fix racy access at PCM trigger

In the Linux kernel, the following vulnerability has been resolved: ALSA: aloop: Fix racy access at PCM trigger The PCM trigger callback of aloop driver tries to check the PCM state and stop the stream of the tied substream in the corresponding cable. Since both check and stop operations are...