Astra Linux – Vulnerability in Chromium

Before version 101.0.4951.41, 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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/khugepaged: Invoking MMU notifiers in shmem/file collapse paths. Any code path that updates page table entries must invoke MMU notifiers to ensure that secondary MMUs such as those related to KVM do not continue to access page...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference flaw was discovered in dbFree in the fs/jfs/jfsdmap.c file of the Journaling File System JFS within the Linux kernel. This issue may allow a local attacker to cause the system to crash due to a missing sanity check...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC with ops-opnum == OPILLEGAL OPDESC simply indexes into nfsd4ops based on the operation number, without any range checking of that value. It assumes that callers will be careful enough to avoid calling...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw involving a null pointer dereference was discovered in the Linux kernel’s UDF file system functionality. This flaw allows a malicious UDF image to trigger the udffilewriteiter function. A local user could exploit this flaw to crash the system. The flaw is present in the Linux kernel versio...

Astra Linux – Vulnerability in Chromium

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

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: nfs: fixed the acl memory leak in posixaclcreate When reviewing another nfs xfstests report, I found that errors related to acl and defaultACL in nfs3proccreate and nfs3procmknod might be exposed. These issues need to be...

Astra Linux – Vulnerability in Linux

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

In the Linux kernel, the following vulnerabilities have been resolved: cifs: Return the correct error code from smb2getenckey Avoid a warning if the error is passed back up: 440700.376476 CIFS VFS: \otters.example.com cryptmessage: Could not get encryption key 440700.386947 ------------ Cut here...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can cause a heap-based buffer overflow in ntfscompressedpwrite in NTFS-3G 2021.8.22...

Astra Linux – Vulnerability in Linux

A memory-bound write flaw 1 or 2 bytes of memory was identified in the Linux kernel’s NFS subsystem, related to the way users use mirroring replication of files via NFS. A user with access to the NFS mount could potentially exploit this flaw to crash the system or escalate privileges on the syste...

Astra Linux – Vulnerability in Zabbix

JavaScript preprocessing can be exploited by attackers to gain access to the file system read-only access on behalf of the user “zabbix” on the Zabbix Server or Zabbix Proxy, potentially leading to unauthorized access to sensitive data...

Astra Linux – Vulnerability in grub2

A out-of-bounds read flaw was discovered in Grub2’s NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack can result in sensitive data cached in memory or EFI variabl...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protection against send buffer overflow in NFSv2 READ Since the time before the advent of Git, NFSD has managed the number of pages held by each nfsd thread by combining the RPC receive and send buffers into a single array ...

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 – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: The xid leak in cifsflock has been fixed. If flock is not used, before returning -ENOLCK, the xid should be freed; otherwise, the xid will be leaked...

Astra Linux – Vulnerability in Linux

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 found in Linux 5.15, Linux 6.1

A use-after-free flaw was discovered in the setupasyncwork function in the KSMBD implementation of the in-kernel Samba server and CIFS services in the Linux kernel. This issue could allow an attacker to crash the system by accessing freed resources...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in the File System API of Google Chrome prior to 106.0.5249.62 allowed a remote attacker to bypass File System restrictions through a crafted HTML page and malicious file. Chromium security severity: Low...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A flaw in the use of free after the NILFS file system in the Linux kernel was discovered. This flaw causes the function security inodealloc to fail, leading to a call to the nilfsmdtdestroy function. A local user could exploit this flaw to crash the system or potentially escalate their privileges...