EUVD-2026-27592

In the Linux kernel, the following vulnerability has been resolved: xfrm: Wait for RCU readers during policy netns exit xfrmpolicyfini frees the policybydst hash tables after flushing the policy work items and deleting all policies, but it does not wait for concurrent RCU readers to leave their...

CVE-2026-43199

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query Fix a "scheduling while atomic" bug in mlx5eipsecinitmacs by replacing mlx5querymacaddress with etheraddrcopy to get the local MAC address directly from...

CVE-2026-43264

In the Linux kernel, the following vulnerability has been resolved: fbdev: of: displaytiming: fix refcount leak in ofgetdisplaytimings ofparsephandle returns a devicenode with refcount incremented, which is stored in 'entry' and then copied to 'nativemode'. When the error paths at lines 184 or 19...

UBUNTU-CVE-2026-43211

In the Linux kernel, the following vulnerability has been resolved: PCI: Fix pcislottrylock error handling Commit a4e772898f8b "PCI: Add missing bridge lock to pcibuslock" delegates the bridge device's pcidevtrylock to pcibustrylock in pcislottrylock, but it forgets to remove the corresponding...

UBUNTU-CVE-2026-43214

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Add SRCU protection for reading PDPTRs in getsregs2 Add SRCU read-side protection when reading PDPTR registers in getsregs2. Reading PDPTRs may trigger access to guest memory: kvmpdptrread - svmcachereg - loadpdptrs -...

UBUNTU-CVE-2026-43279

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes at silencing At silencing the playback URB packets in the implicit fb mode before the actual playback, we blindly assume that the received packets fit with the buffer size. But whe...

UBUNTU-CVE-2025-71291

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fix possible null-pointer dereferences in bcmvkread In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If entry is NULL and rc is set to -EMSGSIZE, the following code may cause...

CVE-2025-71288

In the Linux kernel, the following vulnerability has been resolved: memory: mtk-smi: fix device leaks on common probe Make sure to drop the reference taken when looking up the SMI device during common probe on late probe failure e.g. probe deferral and on driver unbind...

UBUNTU-CVE-2026-43200

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix swapped parameters in pciprimary/secondaryepcepfunlink functions struct configfsitemoperations callbacks are defined like the following: int allowlinkstruct configitem src, struct configitem target; void...

UBUNTU-CVE-2026-43281

In the Linux kernel, the following vulnerability has been resolved: mailbox: Prevent out-of-bounds access in fwmboxindexxlate Although it is guided that mbox-cells must be at least 1, there are many instances of mbox-cells = ; in the device tree. If that is the case and the corresponding mailbox...

UBUNTU-CVE-2026-43277

In the Linux kernel, the following vulnerability has been resolved: APEI/GHES: ensure that won't go past CPER allocated record The logic at ghesnew prevents allocating too large records, by checking if they're bigger than GHESESTATUSMAXSIZE currently, 64KB. Yet, the allocation is done with the...

UBUNTU-CVE-2026-43199

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query Fix a "scheduling while atomic" bug in mlx5eipsecinitmacs by replacing mlx5querymacaddress with etheraddrcopy to get the local MAC address directly from...

UBUNTU-CVE-2026-43174

In the Linux kernel, the following vulnerability has been resolved: iouring/zcrx: fix post open error handling Closing a queue doesn't guarantee that all associated page pools are terminated right away, let the refcounting do the work instead of releasing the zcrx ctx directly...

UBUNTU-CVE-2026-43145

In the Linux kernel, the following vulnerability has been resolved: remoteproc: imxrproc: Fix invalid loaded resource table detection imxrprocelffindloadedrsctable may incorrectly report a loaded resource table even when the current firmware does not provide one. When the device tree contains a...

UBUNTU-CVE-2026-43171

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: don't dump the entire memory region The current logic at cperprintfwerr doesn't check if the error record length is big enough to handle offset. On a bad firmware, if the ofset is above the actual record, length -= offs...

CVE-2026-43175

In the Linux kernel, the following vulnerability has been resolved: clk: rs9: Reserve 8 struct clkhw slots for for 9FGV0841 The 9FGV0841 has 8 outputs and registers 8 struct clkhw, make sure there are 8 slots for those newly registered clkhw pointers, else there is going to be out of bounds write...

CVE-2026-43143

In the Linux kernel, the following vulnerability has been resolved: mfd: core: Add locking around 'mfdofnodelist' Manipulating a list in the kernel isn't safe without some sort of mutual exclusion. Add a mutex any time we access / modify 'mfdofnodelist' to prevent possible crashes...

CVE-2026-43259

In the Linux kernel, the following vulnerability has been resolved: phy: fsl-imx8mq-usb: set platform driver data Add missing platformsetdrvdata as the data will be used in remove...

CVE-2026-43271

In the Linux kernel, the following vulnerability has been resolved: md-cluster: fix NULL pointer dereference in processmetadataupdate The function processmetadataupdate blindly dereferences the 'thread' pointer acquired via rcudereferenceprotected within the waitevent macro. While the code commen...

CVE-2026-43149

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fix dmafreecoherent in uhdlcmemclean The priv-rxbuffer and priv-txbuffer are alloc'd together as contiguous buffers in uhdlcinit but freed as two buffers in uhdlcmemclean. Change the cleanup to only call...