Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A NULL pointer dereference issue was discovered in the gfs2 file system within the Linux kernel. This issue occurs in corrupted gfs2 file systems when the evict code attempts to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could explo...

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

In the Linux kernel, the following vulnerability has been resolved: ubifs: Skip dumping the tnc tree when zroot is null. Clearing the slab cache will free all znode entries in memory, and set c-zroot.znode to NULL. Dumping the tnc tree will then access c-zroot.znode, which can lead to a null...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can cause a heap-based buffer overflow in the ntfsmftrecalloc function within NTFS-3G from version 2021.8.22 onwards...

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

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Do not free the qgroup space unless specified. Boris noticed during his simple quota testing that there was a leak caused by Sweet Tea’s change to the subvol create function, which would stop a transaction commit. This...

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 Wireshark

A memory leak occurs in the NFS dissector in Wireshark versions 4.0.0 to 4.0.2, and 3.6.0 to 3.6.10. This issue may lead to denial of service through packet injection or with specially crafted capture files...

Astra Linux – Vulnerability in Chromium

Insufficient data validation in the File System of Google Chrome prior to 107.0.5304.62 allowed a remote attacker to bypass file system restrictions through a crafted HTML page. Chromium security severity: Medium...

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 filesystem restrictions through a crafted HTML page...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: hfs: fixed OOB read in hfsbrecfind Syzbot reported a OOB read bug: ================================================================== Bug: KASAN: slab-out-of-bounds in hfsstrcmp+0x117/0x190 fs/hfs/string.c:84 A read of size 1...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfsd: The value of sccount is decreased directly if the dlrecall queue operation fails. A deadlock warning occurred when invoking nfs4putstid after a failed dlrecall queue operation: T1 T2 nfs4laundromat nfs4getclientreaplist...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a potential NULL dereference in nfsgetclient. None of the callers is expected to receive a NULL return value from nfsgetclient. Therefore, this code will result in an Oops error. It’s better to return an error pointer....

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability related to out-of-bounds memory access was discovered in the Linux kernel’s XFS file system, regarding how a user restores an XFS image after a failure with a dirty log journal. This vulnerability allows a local user to crash the system or potentially escalate their privileges on...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free flaw was discovered in the Linux kernel, specifically in the logreplay function within fs/ntfs3/fslog.c in the NTFS journal. This flaw allows a local attacker to crash the system and causes a kernel information leak...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the issue where dcc-f2fsissuediscard was not invalidated during the error path. Syzbot reports a NULL pointer dereference issue as follows: refcountadd include/linux/refcount.h:193 inline refcountinc...

Astra Linux – Vulnerability in ntfs-3g

A properly crafted NTFS image can lead to a out-of-bounds access in ntfs inode syncstandardinformation in NTFS-3G 2021.8.22...

Astra Linux – Vulnerability in Linux 5.10, Linux

A denial-of-service DOS issue was detected in the smb2ioctlqueryinfo function of the Linux kernel, within the fs/cifs/smb2ops.c Common Internet File System. This issue arises due to an incorrect return value from the memdupuser function. This flaw allows a local, privileged attacker with...

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 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 filesystem restrictions through a crafted HTML page...

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 Linux 5.15

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...