Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid potential deadlocks. The function f2fstrylockop was used in f2fswritecompressedpages to prevent potential deadlocks, just as we did in f2fswritesingledatapage...

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

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 – Vulnerability in ntfs-3g

A properly crafted NTFS image can cause a heap-based buffer overflow in the ntfs inodelookupbyname function in NTFS-3G, version 2021.8.22...

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 diAlloc. Currently, there is no check for the agnno of the iag when allocating new inodes to avoid fragmentation problems. The check has been added, which is necessary...

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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: jfs: fixed an invalid free of JFSIPipimap-iimap in diUnmount. syzbot detected an invalid-free in diUnmount: BUG: KASAN: double-free in slabfree mm/slub.c:3661 inline BUG: KASAN: double-free in kmemcachefree+0x71/0x110...

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

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed a NULL pointer dereferencing issue in gfs2rgrpdump. Syzkaller reported a NULL pointer dereferencing issue when accessing rgd-rdrgl in gfs2rgrpdump. This can occur when creating rgd-rdgl fails in readrindexentry. A NUL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fixed the behavior of the READ operation near OFFSETMAX. Dan Aloni reports: Due to commit 8cfb9015280d “NFS: Always provide aligned buffers to RPC read layers” on the client, a read of 0xfff is aligned up to the server’s...

Astra Linux – Vulnerability in 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 – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected a change in capacity from 0 to 131072. F2FS-fs...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix the race condition between the quota enable operation and the quota rescan ioctl call. When enabling quotas, in the btrfsquotaenable function, after committing the transaction, we update fsinfo-quotaroot to point to th...

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 in Linux

In the Linux kernel, the following vulnerabilities have been resolved: USB: usbfs: Do not issue a WARN message regarding excessively large memory allocations Syzbot discovered that the kernel generates a WARN message if the user attempts to perform a bulk transfer using usbfs with a buffer that i...

Astra Linux – Vulnerability in Linux, Linux 5.10

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 – Vulnerability in ntfs-3g

A properly crafted NTFS image can trigger a heap-based buffer overflow, caused by an unsanitized attribute in ntfsgetattributevalue, in NTFS-3G 2021.8.22...

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: fat: Fixed an uninitialized field in the nostale filehandles. When the fatencodefhnostale function encodes a file handle without a parent handle, it only stores the first 10 bytes of the file handle. However, the length of the fi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: erofs: corrected incorrect kunmap when using LZMA on HIGHMEM platforms As shown in the call trace, the root cause is incorrect pages handled by kunmap: BUG: Kernel NULL pointer dereferencing, address: 00000000 CPU: 1 PID: 40 Comm...

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 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, Linux

In the Linux kernel, the following vulnerability has been resolved: f2fs: A sanity check was added for the block address in the f2fsdozerorange function. As reported by Yanming in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=215894 I have encountered a bug in the F2FS file system in the...