CVE-2026-64296

The CVE concerns the Linux kernel exFAT driver: in exfat_find_dir_entry(), processing directory NAME entries (TYPE_EXTEND) advances the output buffer by a fixed amount while the guard tracks name length, allowing an out-of-bounds read/write when name fragments are long/short. The bug arises becau...

CVE-2026-64296 exfat: bound uniname advance in exfat_find_dir_entry()

In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfatfinddirentry In exfatfinddirentry, each TYPEEXTEND file name entry advances the output pointer by a fixed amount while the loop guard only tracks the accumulated name length: if ++order == 2...

CVE-2026-64296 exfat: bound uniname advance in exfat_find_dir_entry()

In the Linux kernel, the following vulnerability has been resolved: exfat: bound uniname advance in exfatfinddirentry In exfatfinddirentry, each TYPEEXTEND file name entry advances the output pointer by a fixed amount while the loop guard only tracks the accumulated name length: if ++order == 2...

CVE-2026-64289

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...

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-2026-64289

CVE-2026-64289 affects the Linux kernel in the iommufd path, where iommufd_hwpt_invalidate() accepts user-controlled entry_num and entry_len. The description and connected details specify that entry_len can exceed the kernel struct size and trigger zero-check scans over excess bytes, while large ...

CVE-2026-64289 iommufd: Set upper bounds on cache invalidation entry_num and entry_len

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-2026-64289 iommufd: Set upper bounds on cache invalidation entry_num and entry_len

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 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-2026-64280

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-2026-64269

The CVE-2026-64269 issue affects the Linux kernel’s RDMA path (RDMA/rtrs-srv) where rdma_write_sg() uses desc[0].len from the wire descriptor to determine the RDMA_WRITE length. The length could exceed the bound of the mapped chunk because it wasn’t checked against max_chunk_size, enabling a peer...

CVE-2026-64269 RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdma_write_sg

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

EUVD-2026-48981

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

CVE-2026-64268

CVE-2026-64268 concerns a Linux kernel vulnerability in the SIW (RDMA) path where Read Response segments could overrun the sink buffer. The issue resides in siw_qp_rx.c (siw_proc_rresp) which places inbound Read Response DDP segments at sge->laddr + wqe->processed and accumulates processed ...

CVE-2026-64268

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: bound Read Response placement to the RREAD length In drivers/infiniband/sw/siw/siwqprx.c, siwprocrresp places each inbound Read Response DDP segment at sge-laddr + wqe-processed and then accumulates wqe-processed, but i...

CVE-2026-64269 RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdma_write_sg

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdmawritesg When the server answers an RTRS READ, rdmawritesg builds the source scatter/gather entry for the IBWRRDMAWRITE that returns data to the peer. Its length is taken...

CVE-2026-64267 fuse: avoid 32-bit prune notification count wrap

In the Linux kernel, the following vulnerability has been resolved: fuse: avoid 32-bit prune notification count wrap FUSENOTIFYPRUNE validates the nodeid payload length with: size - sizeofoutarg != outarg.count sizeofu64 On 32-bit kernels, sizet is also 32 bits, so the daemon-controlled count...

CVE-2026-64267

CVE-2026-64267 affects the Linux kernel’s FUSE (Filesystem in Userspace) path. The issue is an integer overflow in handling FUSE_NOTIFY_PRUNE messages on 32-bit architectures, where the product of outarg.count and sizeof(u64) can wrap during payload length validation, potentially causing the kern...