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 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 – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gfs2: Always check the inode size of inline inodes. Check whether the inode size of inline inodes is within the allowed range when reading inodes from the disk gfs2dinodein. This prevents on-disk corruption. The two checks in...

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

In the Linux kernel, the following vulnerability has been resolved: jfs: fix array-index-out-of-bounds in diNewExt Syz report UBSAN: array-index-out-of-bounds in fs/jfs/jfsimap.c:2360:2 index -878706688 is out of range for type 'struct iagctl128' CPU: 1 PID: 5065 Comm: syz-executor282 Not tainted...

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 – Vulnerability in f2fs-tools

There is an exploitable information disclosure vulnerability in the devread functionality of F2fs-Tools F2fs.Fsck 1.13. A specially crafted f2fs filesystem can lead to an uninitialized read operation, resulting in information disclosure. An attacker can provide a malicious file to trigger this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305glue.c:198 poly1305updatearch error: memcpy 'dctx-buf' too small 16 vs u32max This issue arises because Smatch marks ‘linklen’...

Astra Linux – Vulnerability in Samba

All versions of Samba prior to 4.13.16 are vulnerable to a malicious client that can exploit the race condition of SMB1 or NFS to create a directory in an area of the server file system that is not exported under the share definition. Note that SMB1 must be enabled, or the share must also be...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

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 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 validation of untrusted input in the FileSystem component in Google Chrome prior to version 148.0.7778.96 allowed a remote attacker who had compromised the renderer process to perform arbitrary read/write operations through a crafted HTML page. Chromium security severity: Medium...

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

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a use-after-free in cifsfilldirent. There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the following KASAN warning...

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

In the Linux kernel, the following vulnerabilities have been resolved: fs/ntfs3: Fixed a couple of integer overflows on 32-bit systems. On 32-bit systems, the addition of “off + sizeofstruct NTFSDE” can lead to an integer wrapping issue. This issue was fixed by using sizeadd...

Astra Linux – Vulnerability in 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, but nfs4procreadsetup is only called once. As a result, we sometimes had to...

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 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: jfs: Prevent copying of nlink with a value of 0 from the disk inode. syzbot reported a deadlock in diFree. 1 When calling “ioctl$LOOPSETSTATUS64”, the offset value passed in is 4, which does not match the mounted loop device...