Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Treating $Extend records as regular files. Since the commit af153bb63a33 "vfs: catching invalid modes in mayopen" requires that any inode be of one of the types SIFDIR/SIFLNK/SIFREG/SIFCHR/SIFBLK/SIFIFO/SIFSOCK, use SIFREG...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Additional checks have been added in ntfsfilerelease...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Fixed an integer overflow in the volume boundary check of rununpack. The volume boundary check lcn + len sbi-used.bitmap.nbits uses a raw addition, which can cause rounding for large values of lcn and len, thereby bypassin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntfs3: The function boundtomove is bound to be called in indxinsertintoroot before hdrinserthead. indxinsertintoroot promotes a fully resident $INDEXROOT to $INDEXALLOCATION and copies all non-last resident root entries into a...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed an OOB read issue in indxinsertintobuffer. Syzbot reported a OOB read bug: BUG: KASAN: Out-of-bounds access in indxinsertintobuffer+0xaa3/0x13b0 fs/ntfs3/index.c:1755 A read of size 17168 was performed at address...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.1.3, fs/ntfs3/record.c does not validate resident attribute names. This could lead to an out-of-bounds write vulnerability...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a general protection fault in runismappedfull. ntfscreate inode: Fixed the deletion of a non-resident attribute...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Do not hold the nilock lock when calling truncatesetsize. syzbot reports a hung task during the call to douseraddrfault 1. This occurs because there is a silent deadlock between the PGlocked bit and the nilock lock. Sin...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate BOOT sectorsperclusters When the NTFS BOOT sectorsperclusters field is greater than 0x80, it represents a shift value. Ensure that the shift value is not too large before using it the maximum cluster size for...

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “fs/ntfs3: Replace inodetrylock with inodelock” This change is reflected in commit 69505fe98f198ee813898cbcaf6770949636430b. Initially, the conditional lock acquisition was removed to fix a bug in xfstest that was observed during...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Validates buffer length during parsing of indexes. The indxread function is called when performing NTFS directory operations that require more information from the index buffers. This adds a sanity check to ensure th...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: A possible null pointer dereference has been fixed in niclear. In a previous commit c1006bd13146, ni-mi.mrec in niwrite inode could be NULL. Therefore, a NULL check was added for this variable. However, in the same call...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel 6.0.8, there is a use-after-free in the rununpack function in fs/ntfs3/run.c, which is related to a difference between the NTFS sector size and the media sector size...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel before version 6.1.3, fs/ntfs3/inode.c does not validate the attribute name offset. A unhandled page fault may occur...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The bound NTFSDEdeview.dataoff was bound in UpdateRecordDataRoot,Allocation. In the UpdateRecordDataRoot fslog.c:3489 and UpdateRecordDataAllocation fslog.c:3697 functions, the destination of the memmove operation is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: The capacity of the Dirty Page Table is validated during the logreplay copylcns operation. During the analysis phase of the $LogFile journal replay process, logreplay copies LCNs from each action log record into an...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Added a length check in indxgetroot This addition ensures that the retrieved index root is valid. 162.459513 BUG: KASAN: Use-after-free in hdrfinde.isra.0+0x10c/0x320 162.460176 Read of size 2 at addr ffff8880037bca9...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Use variable length arrays instead of fixed-size ones. The issue with the “smatch warning” should be fixed: Error in ntfssetlabel: builtinmemcpy’s ‘uni-name’ is too small 20 vs 256...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntfs3: cap RESTARTTABLE free-chain walker at rt-used A crafted NTFS3 disk image triggers an infinite loop in the kernel during mounting. This causes the mounting thread to hang, and the soft-lockup watchdog to trigger within 22...