CVE-2026-64398

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTLSETZERODATA FSCTLSETZERODATA in smb2ioctl destroys file data via ksmbdvfszerodata - vfsfallocatePUNCHHOLE/ZERORANGE after checking only the share-level KSMBDTREECONNFLAGWRITABLE, with no...

CVE-2026-64398 ksmbd: add a permission check for FSCTL_SET_ZERO_DATA

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTLSETZERODATA FSCTLSETZERODATA in smb2ioctl destroys file data via ksmbdvfszerodata - vfsfallocatePUNCHHOLE/ZERORANGE after checking only the share-level KSMBDTREECONNFLAGWRITABLE, with no...

EUVD-2026-48942

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTLSETZERODATA FSCTLSETZERODATA in smb2ioctl destroys file data via ksmbdvfszerodata - vfsfallocatePUNCHHOLE/ZERORANGE after checking only the share-level KSMBDTREECONNFLAGWRITABLE, with no...

CVE-2026-64385 smb: client: fix double-free in SMB2_ioctl() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2ioctl replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2ioctlinit fails before the next send, cleanup retains the previous buffer type and fre...

CVE-2026-64385 smb: client: fix double-free in SMB2_ioctl() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2ioctl replay A response-bearing attempt can return a replayable error and free its response buffer. If SMB2ioctlinit fails before the next send, cleanup retains the previous buffer type and fre...

CVE-2026-64359 nilfs2: reject CLEAN_SEGMENTS ioctl with out-of-range segment numbers

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject CLEANSEGMENTS ioctl with out-of-range segment numbers Syzbot reported a hung task in nilfstransactionbegin where multiple tasks performing chmod on a nilfs2 mount blocked for over 143 seconds waiting to acquire...

CVE-2026-64310

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for SEV ioctls Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and zero o...

CVE-2026-64307

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPCONFIG Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and ze...

EUVD-2026-49001

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set upper bounds on cache invalidation entrynum and entrylen iommufdhwptinvalidate takes a user-controlled entrynum and entrylen, each bounded only by U32MAX. An entrylen beyond the kernel's struct size makes the copy...

CVE-2026-64280

The CVE concerns the Linux kernel’s FPGA driver for DFL FPGA management (fpga: dfl-afu). A 64-bit length passed via the DFL_FPGA_PORT_DMA_MAP ioctl to afu_ioctl_dma_map() can overflow when computing the number of pages (length >> PAGE_SHIFT) passed to pin_user_pages_fast(), since npages is ...

CVE-2026-64280

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

EUVD-2026-48992

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

CVE-2026-64280 fpga: dfl-afu: validate DMA mapping length in afu_dma_map_region()

In the Linux kernel, the following vulnerability has been resolved: fpga: dfl-afu: validate DMA mapping length in afudmamapregion afuioctldmamap accepts a 64-bit length from userspace via DFLFPGAPORTDMAMAP ioctl without an upper bound check. The value is passed to afudmapinpages where npages is...

CVE-2026-64276 Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count

In the Linux kernel, the following vulnerability has been resolved: Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count rmif30mapgpios allocates gpioledkeymap with mingpioledcount, TRACKSTICKRANGEEND == at most 6 entries, but rmif30attention iterates the full f30-gpioledcount devic...

CVE-2026-64308: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPVLEKLOAD Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and...

CVE-2026-64307: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Do not initialize SNP for ioctlSNPCONFIG Sashiko notes: if SEV initialization fails and KVM is actively running normal VMs, could a userspace process trigger this code path via /dev/sev ioctls e.g., SEVPDHGEN and ze...

PT-2026-64510

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The iommufd hwpt invalidate function fails to properly validate user-controlled entry num and entry len variables, which are only bounded by U32 MAX. A multi-gigabyte entry len can force...

CVE-2026-64359: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nilfs2: reject CLEANSEGMENTS ioctl with out-of-range segment numbers Syzbot reported a hung task in nilfstransactionbegin where multiple tasks performing chmod on a nilfs2 mount blocked for over 143 seconds waiting to acquire...

Linux Distros Unpatched Vulnerability : CVE-2026-64529

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - crypto: qat - remove unused character device and IOCTLs The QAT driver exposes a character device qatadfctl with IOCTLs for device configuration, start, stop,...

PT-2026-64530

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the crypto: ccp component where the SNP COMMIT command could trigger the initialization of SNP even if it was previously uninitialized. If SEV initialization fails whi...