Astra Linux – Vulnerability in Chromium

Insufficient policy enforcement in the File System API of Google Chrome on Windows prior to version 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions through a crafted HTML page...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs: init flagsvalid before calling vfsfileattrget syzbot reported a uninit-value bug in 1. Similar to the “get” context, where the kernel’s filekattr structure is initialized before calling vfsfileattrget, we should use the same...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Do not hold the layoutget locks across multiple RPC calls When performing layoutget as part of the open compound, we must be careful to release the layout locks before calling any further RPC calls, such as setattr. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: The encoder for NFSv2 GETACL results has been completed. The xdrstream conversion inadvertently left some code that set the pagelen of the send buffer. The XDR stream encoders should now handle this automatically. This...

Astra Linux – Vulnerability in cifs-utils

It was discovered that cifs-utils’ mount.cifs function invoked a shell when requesting the Samba password, which could be exploited to inject arbitrary commands. An attacker who had special permissions, such as those through sudo rules, could use this vulnerability to escalate their privileges...

Astra Linux – Vulnerability in Chromium

Before version 94.0.4606.54, using the "after free" mechanism in the File System API in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

Astra Linux – Vulnerability in ntfs-3g

A buffer overflow was discovered in NTFS-3G before October 3, 2022. Metadata created within an NTFS image can lead to code execution. A local attacker can exploit this vulnerability if the ntfs-3g binary has the setuid root privilege. An attacker who is physically nearby can also exploit this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cifs: A memory leak was fixed when using fscache. If the condition “index == nextcached” is encountered, a reference count of the struct page is leaked. This issue is fixed by using readaheadfolio, which handles the reference cou...

Astra Linux – Vulnerability in Linux, Linux 5.10

In gcdatasegment within fs/f2fs/gc.c in the Linux kernel, before version 5.16.3, special files were not considered, resulting in a NULL pointer to movedatapage...

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 an array-index-out-of-bounds issue in dbAdjTree. Currently, there is a missing bounds check when accessing the dmtstree within dbAdjTree. To address this issue, a boolean variable named “isctl” was added. This variable...

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

In the Linux kernel, the following vulnerabilities have been resolved: jfs: fixed an array-index-out-of-bounds issue in diNewExt Syz report UBSAN: array-index-out-of-bounds in fs/jfs/jfsimap.c:2360:2 Index -878706688 is out of range for the type 'struct iagctl128' CPU: 1 PID: 5065 Comm:...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: fixed a underflow issue in parseserverinterfaces. In this loop, we iterate through the buffer. After processing each item, we check whether the sizeleft is greater than the minimum size required. However, the problem arises...

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

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Check for read-only mounted filesystem in txBegin This patch adds a check for read-only mounted filesystem in txBegin before starting a transaction, potentially preventing NULL pointer dereferencing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: A fix was made to prevent race conditions during the fsyncentryslab access by multiple f2fs filesystem instances. As reported by syzbot, there is a use-after-free issue during f2fs recovery: A use-after-free occurs when...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: nfs: fixed a panic that occurred when nfs4fflayoutprepareds failed. We have observed the following panics in production: BUG: NULL pointer dereferencing in the kernel, address: 0000000000000065 PGD: 2f485f067; P4D: 2f485f067;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a kernel crash that occurred due to a null io-bio. We should return immediately if io-bio is null before performing any actions. Otherwise, a panic will occur. BUG: Kernel NULL pointer dereferencing, address:...

Astra Linux – Vulnerability in ntfs-3g

NTFS-3G versions prior to 2021.8.22 may experience a heap buffer overflow when a specially crafted NTFS attribute is set up using the function ntfsattrsetupflag. This could allow code execution and an escalation of privileges...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: F2FS: fixed potential corruption when moving a directory. F2FS also has the same issue in ext4rename, which causes a crash, as revealed by xfstests/generic/707. See also commit 0813299c586b “ext4: Fix possible corruption when...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: Rework the handling of scratch space for READPLUS again. I found that the read code might send multiple requests using the same nfspgioheader. However, the nfs4procreadsetup function is only called once. As a result, we...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Synchronize atomic write aborts To address the race condition between atomic write aborts, I use the inode lock and ensure that the COW inode can be reused throughout the entire lifetime of the atomic file inode...