CVE-2023-53327

CVE-2023-53327 concerns a Linux kernel iommufd selftest issue where an overflow of uptr and length near UINTPTR_MAX could trigger a WARN_ON in drivers/iommu/iommufd/selftest.c. The vulnerability is described as resolved, with the notable consequence being user memory range checks that must not ov...

CVE-2023-53327 iommufd/selftest: Catch overflow of uptr and length

In the Linux kernel, the following vulnerability has been resolved: iommufd/selftest: Catch overflow of uptr and length syzkaller hits a WARNON when trying to have a uptr close to UINTPTRMAX: WARNING: CPU: 1 PID: 393 at drivers/iommu/iommufd/selftest.c:403 iommufdtest+0xb19/0x16f0 Modules linked...

CVE-2023-53323 ext2/dax: Fix ext2_setsize when len is page aligned

In the Linux kernel, the following vulnerability has been resolved: ext2/dax: Fix ext2setsize when len is page aligned PAGEALIGNx macro gives the next highest value which is multiple of pagesize. But if x is already page aligned then it simply returns x. So, if x passed is 0 in daxzerorange...

CVE-2023-53323 ext2/dax: Fix ext2_setsize when len is page aligned

In the Linux kernel, the following vulnerability has been resolved: ext2/dax: Fix ext2setsize when len is page aligned PAGEALIGNx macro gives the next highest value which is multiple of pagesize. But if x is already page aligned then it simply returns x. So, if x passed is 0 in daxzerorange...

CVE-2023-53320 scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix issues in mpi3mrgetalltgtinfo The function mpi3mrgetalltgtinfo has four issues: 1 It calculates valid entry length in alltgtinfo assuming the header part of the struct mpi3mrdevicemapinfo would equal to sizeofu3...

CVE-2023-53320 scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix issues in mpi3mrgetalltgtinfo The function mpi3mrgetalltgtinfo has four issues: 1 It calculates valid entry length in alltgtinfo assuming the header part of the struct mpi3mrdevicemapinfo would equal to sizeofu3...

CVE-2023-53320 scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info()

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix issues in mpi3mrgetalltgtinfo The function mpi3mrgetalltgtinfo has four issues: 1 It calculates valid entry length in alltgtinfo assuming the header part of the struct mpi3mrdevicemapinfo would equal to sizeofu3...

CVE-2023-53320

CVE-2023-53320 (Linux kernel) relates to scsi: mpi3mr: Fix issues in mpi3mr_get_all_tgt_info(). The patch fixes four issues in mpi3mr_get_all_tgt_info(): (1) valid entry length now uses the correct header size (sizeof(u64) instead of sizeof(u32)); (2) kern_entrylen no longer subtracts one from nu...

DEBIAN-CVE-2025-39822

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

DEBIAN-CVE-2025-39817

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

CVE-2025-39816

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: always use READONCE to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READONCE to read the value into a local variable, and use that for any other actions taken...

DEBIAN-CVE-2025-39809

In the Linux kernel, the following vulnerability has been resolved: HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length The QuickI2C ACPI DSD methods return ICRS and ISUB data with a trailing byte, making the actual length is one more byte than the structs defined. It caused...

CVE-2025-39809

In the Linux kernel, the following vulnerability has been resolved: HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length The QuickI2C ACPI DSD methods return ICRS and ISUB data with a trailing byte, making the actual length is one more byte than the structs defined. It caused...

UBUNTU-CVE-2025-39816

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: always use READONCE to read ring provided buffer lengths Since the buffers are mapped from userspace, it is prudent to use READONCE to read the value into a local variable, and use that for any other actions taken...

UBUNTU-CVE-2025-39817

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

UBUNTU-CVE-2025-39809

In the Linux kernel, the following vulnerability has been resolved: HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length The QuickI2C ACPI DSD methods return ICRS and ISUB data with a trailing byte, making the actual length is one more byte than the structs defined. It caused...

CVE-2025-39828 atm: atmtcp: Prevent arbitrary write in atmtcp_recv_control().

In the Linux kernel, the following vulnerability has been resolved: atm: atmtcp: Prevent arbitrary write in atmtcprecvcontrol. syzbot reported the splat below. 0 When atmtcpvopen or atmtcpvclose is called via connect or close, atmtcpsendcontrol is called to send an in-kernel special message. The...

CVE-2025-39822

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

CVE-2025-39822 io_uring/kbuf: fix signedness in this_len calculation

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...

CVE-2025-39822 io_uring/kbuf: fix signedness in this_len calculation

In the Linux kernel, the following vulnerability has been resolved: iouring/kbuf: fix signedness in thislen calculation When importing and using buffers, buf-len is considered unsigned. However, buf-len is converted to signed int when committing. This can lead to unexpected behavior if the buffer...