UBUNTU-CVE-2026-64269

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-2026-64357

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

CVE-2026-64283

In the Linux kernel, the following vulnerability has been resolved: KVM: guestmemfd: Treat memslot binding offset+size as unsigned values When binding a memslot to a guestmemfd file, treat the offset and size as unsigned values to fix a bug where the sum of the two can result in a false negative...

UBUNTU-CVE-2026-64381

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receiveencryptedstandard receiveencryptedstandard allocates nextbuffer before checking whether the number of compound PDUs already reached MAXCOMPOUND. If the limit check fails, the function...

UBUNTU-CVE-2026-64357

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

CVE-2026-64364 HID: multitouch: fix out-of-bounds bit access on mt_io_flags

In the Linux kernel, the following vulnerability has been resolved: HID: multitouch: fix out-of-bounds bit access on mtioflags mtioflags is a single unsigned long, but mtprocessslot, mtreleasependingpalms and mtreleasecontacts use it as a per-slot bitmap indexed by the slot number. That slot numb...

CVE-2026-64357

CVE-2026-64357 affects the Linux kernel's XFS filesystem . The bug is in xfs_exchmaps_estimate_overhead(), which adds bmbt and rmapbt overhead to a local resblks variable, but the final UINT_MAX limit check still tests req->resblks—the pre-overhead value. The computed (post-overhead) value is ...

CVE-2026-64357 xfs: fix exchmaps reservation limit check

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

EUVD-2026-48901

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

CVE-2026-64357 xfs: fix exchmaps reservation limit check

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

CVE-2026-64357

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...

CVE-2026-64295

In the Linux kernel, the following vulnerability has been resolved: mm: pageext: add count limit to pageextiternext to prevent invalid PFN access The pageext iteration API does not validate if the PFN still belongs to a valid section while advancing the iterator. When dynamically adding memory in...

EUVD-2026-49008

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-2026-64291 iommufd: Set veventq_depth upper bound

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventqdepth upper bound iommufdveventqalloc accepts any !0 veventqdepth from userspace, with an upper bound at U32MAX. This leaves a vulnerability where userspace can allocate excessively large queues to exhaust...

EUVD-2026-49003

In the Linux kernel, the following vulnerability has been resolved: iommufd: Set veventqdepth upper bound iommufdveventqalloc accepts any !0 veventqdepth from userspace, with an upper bound at U32MAX. This leaves a vulnerability where userspace can allocate excessively large queues to exhaust...

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...

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...

PT-2026-64578

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the XFS file system where the xfs exchmaps estimate overhead function incorrectly performs a UINT MAX check. The function adds bmbt and rmapbt overhead to a local...

PT-2026-64516

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the page ext iteration API where the system fails to validate if the Page Frame Number PFN still belongs to a valid section while advancing the iterator. During memory...

CVE-2026-64357: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfs: fix exchmaps reservation limit check xfsexchmapsestimateoverhead adds the bmbt and rmapbt overhead to a local resblks variable, but the final UINTMAX check still tests req-resblks. That is the reservation value from before t...