Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed a UAF in jfsevictinode When the execution of diMountipimap fails, the object ipimap that has been released may be accessed in diFreeSpecial. Asynchronous release of ipimap occurs when rcucore calls jfsfreenode...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: smb3: Fixed temporary data corruption in the collapse range. The “collapse range” does not discard the affected cached regions; therefore, there is a risk of temporarily corrupting the file data. This fix corresponds to bug xfste...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a bug in ext4mbnew inodepa due to overflow. When calculating the end position of ext4freeextent, this position might be exactly where ext4lblkt i.e., uint overflows. For example, if acgex.felogical is 4294965248 and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fixed a traversal bug in ext4mbusepreallocated. During allocation, when searching for pre-allocations PA in the per-inode rbtree, we cannot perform a direct traversal of the tree because ext4mbdiscardgrouppreallocation may...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Binder: Fixed a use-after-free in binderfsevict inode. When running ‘stress-ng --binderfs 16 --timeout 300’ under the KASAN-enabled kernel, the following issues were observed: BUG: KASAN: Slab-use-after-free in binderfsevict...

Astra Linux – Vulnerability in Linux 5.10, Linux

A NULL pointer dereference flaw exists in the diFree function in the fs/jfs/inode.c file of the Journaled File System JFS in the Linux kernel. This flaw could allow a local attacker to crash the system or leak internal kernel information...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: jfs: fixed GPF in diFree Avoid passing an inode with JFSSBIinode-isb-ipimap == NULL to diFree1. GFP will be returned: struct inode ipimap = JFSSBIip-isb-ipimap; struct inomap imap = JFSIPipimap-iimap; JFSIP will return an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Unmarking an inode as being in use in error paths The inode is marked as “in use” if an error occurs. If the marking of the inode as “in use” occurs in cachefilesopenfile, Cachefiles will report an error message sayin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fixed a UAF issue in f2fsinodeinfo in f2fsfreedic. The decompressioctx may be released asynchronously after I/O completion. If this file is deleted immediately after reading, and the kworker responsible for...

Astra Linux – Vulnerability in ntfs-3g

In NTFS-3G versions before version 2021.8.22, when a specially crafted NTFS inode is loaded in the function ntfsinoderealopen, a heap buffer overflow can occur, allowing code execution and escalation of privileges...

Astra Linux - уязвимость в u-boot

An integer overflow occurs in the ext4fsreadsymlink function in Das U-Boot before version 2025.01-rc1. This issue arises due to the use of the zalloc function, which adds one to a le32 variable. This occurs through a crafted ext4 file system with an inode size of 0xffffffff. As a result, the mall...

Astra Linux – Vulnerability in Linux 5.10, Linux

A vulnerability has been discovered in the Linux kernel. It has been classified as problematic. The affected function is nilfsnew inode in the file fs/nilfs2/inode.c of the BPF component. This vulnerability allows for manipulation after the memory allocation function free is called. The attack ca...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can lead to a NULL pointer dereference in ntfsextent inodeopen in NTFS-3G 2021.8.22...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: fscrypt: fixed an underflow issue during left shift when inode-iblkbits PAGESHIFT When simulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, an error trace appears during partition...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: capabilities: Fixed a potential memory leak on the error path from vfsgetxattralloc. In capinodegetsecurity, we will use vfsgetxattralloc to complete the memory allocation of tmpbuf. If we have completed the memory allocation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not allow journal inode to have the encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the ‘inlinecrypt’ mount option is used. The problem i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: writeback: Fixed the use of “free” after deallocating memory in inodeswitchwbsworkfn. The function inodeswitchwbsworkfn has a loop like this: c wbgetnewwb; while 1 list = llistdelall&newwb-switchwbsctxs; / Nothing to do? / if !li...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: The release path is checked before inode lookup during the ino lookup ioctl operation. During the ino lookup ioctl operation, we may call btrfsiget to obtain an inode reference while we are holding onto the root’s btree...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ubifs: Fixed races between xattrset|get and listxattr operations. Some issues may occur when performing concurrent xattrset|get and listxattr operations, such as assertion failures, memory corruption, and stale xattr values1. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to perform sanity checks on inline inode. Yanming reported a kernel bug on Bugzilla Kernel 1, which can be reproduced. The bug message is as follows: The kernel message is displayed as follows: Kernel BUG at...