Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Boundary checks for the buffer were added to rununpack. rununpack checks runbuf runlast at the beginning of the while loop. However, it then reads sizesize and offsetsize bytes via rununpacks64, without verifying that thes...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can lead to heap exhaustion in ntfsgetattributevalue in NTFS-3G from version 2021.8.22 onwards...

CVE-2026-90048 fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix slab-out-of-bounds write in nicreateattrlist nicreateattrlist allocates a fixed buffer of alalignedrecordsize == recordsize bytes and then walks every attribute of the primary MFT record, writing one ATTRLISTENTRY p...

CVE-2026-90048 fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix slab-out-of-bounds write in nicreateattrlist nicreateattrlist allocates a fixed buffer of alalignedrecordsize == recordsize bytes and then walks every attribute of the primary MFT record, writing one ATTRLISTENTRY p...

EUVD-2026-80656

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix slab-out-of-bounds write in nicreateattrlist nicreateattrlist allocates a fixed buffer of alalignedrecordsize == recordsize bytes and then walks every attribute of the primary MFT record, writing one ATTRLISTENTRY p...

CVE-2026-89781

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix out-of-bounds read in readlogrecbuf readlogrecbuf copies a log record into a caller buffer starting at u32 off = lsntopageofflog, lsn + log-recordheaderlen; log-recordheaderlen and log-dataoff, used for the followin...

CVE-2026-89782 fs/ntfs3: reject restart table growth beyond U16_MAX entries

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: reject restart table growth beyond U16MAX entries During $LogFile replay, logreplay indexes the transaction table by the transactid taken from the log record header. checklogrec only verifies that transactid is non-zero...

CVE-2026-89781

CVE-2026-89781 is an out-of-bounds read in the Linux kernel fs/ntfs3 driver, specifically in read_log_rec_buf() (fs/ntfs3/fslog.c). The function copies a log record using an offset derived from log->record_header_len, which is read verbatim from the on-disk restart area and only validated for ...

EUVD-2026-80302

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix out-of-bounds read in readlogrecbuf readlogrecbuf copies a log record into a caller buffer starting at u32 off = lsntopageofflog, lsn + log-recordheaderlen; log-recordheaderlen and log-dataoff, used for the followin...

CVE-2026-89781 fs/ntfs3: fix out-of-bounds read in read_log_rec_buf()

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: fix out-of-bounds read in readlogrecbuf readlogrecbuf copies a log record into a caller buffer starting at u32 off = lsntopageofflog, lsn + log-recordheaderlen; log-recordheaderlen and log-dataoff, used for the followin...

EUVD-2026-76522

In the Linux kernel, the following vulnerability has been resolved: ntfs: verify run length exceeding volume boundary The mapping pairs decoder validates that the starting LCN is within the volume but does not check if the run extends beyond the volume boundary. A malformed NTFS image with a...

CVE-2026-80672 ntfs: fix u16 truncation of restart-area length check

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix u16 truncation of restart-area length check ntfscheckrestartarea validates that the $LogFile restart area and its trailing log client record array fit within the system page size: u16 raofs, ralen, caofs; ... ralen =...

CVE-2026-80672 ntfs: fix u16 truncation of restart-area length check

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix u16 truncation of restart-area length check ntfscheckrestartarea validates that the $LogFile restart area and its trailing log client record array fit within the system page size: u16 raofs, ralen, caofs; ... ralen =...

PT-2026-82972

In the Linux kernel, the following vulnerability has been resolved: ntfs: fix u16 truncation of restart-area length check ntfs check restart area validates that the $LogFile restart area and its trailing log client record array fit within the system page size: u16 ra ofs, ra len, ca ofs; ... ra l...

AZL-97932 CVE-2026-56135 affecting package ntfs-3g for versions less than 2022.10.3-4

In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function buildinheritedid in libntfs-3g/security.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by creating a file in a crafted...

CVE-2026-56136

In NTFS-3G through 2026.2.25, an out-of-bounds read exists in ntfsirnill in libntfs-3g/index.c that allows an attacker to read possibly confidential information in an ntfs-3g process by crafting a malicious NTFS image. This read operation is triggered by creation of a file with a crafted name...

CVE-2026-56135

A flaw was found in NTFS-3G. This vulnerability involves a heap-based buffer overflow, which occurs when the software attempts to write more data to a memory block than it can hold. An attacker can exploit this by creating a specially crafted NTFS image and then creating a file within a malicious...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound DeleteIndexEntryAllocation memmove length In the DeleteIndexEntryAllocation case in doaction, e-size comes from an INDEXBUFFER entry stored in memory. When e-size causes e + e-size to point past hdr + hdr-used,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Validation of the split-point offset in indxinsertintobuffer The indxinsertintobuffer function calculates: c used = used1 - tocopy - spsize; memmovedet, Add2Ptrsp, spsize, used - le32tocpuhdr1-deoff; Where sp and spsize co...

CVE-2026-56135

In NTFS-3G through 2026.2.25, a heap-based buffer overflow exists in the function buildinheritedid in libntfs-3g/security.c that allows an attacker to corrupt heap memory in the SUID-root ntfs-3g binary by crafting a malicious NTFS image. The overflow is triggered by creating a file in a crafted...