Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Validating the PDU length before reading the SDU length in l2capecreddatarcv The l2capecreddatarcv function reads the SDU length field from skb-data using getunalignedle16, without first verifying that skb...

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: vfio/platform: checking the bounds of read/write syscalls. The count and offset parameters are passed from user space without being checked. Only the offset parameter is capped at 40 bits, which can be used to read/write data...

Astra Linux – Vulnerability in DjVuLibre

DjVuLibre 3.5.27 allows attackers to carry out a denial-of-service attack application crashes due to an out-of-bounds read by creating a corrupted JB2 image file. This occurs due to improper handling of the JB2 image file in the JB2Dict::JB2Codec::getdirectcontext function in libdjvu/JB2Image.h,...

Astra Linux – Vulnerability in libssh2

In libssh2 before version 1.9.0, the kexmethoddiffiehellmangroupexchangesha256keyexchange function in kex.c contains an integer overflow that could lead to an out-of-bounds read when packets are read from the server. A remote attacker who compromises an SSH server may be able to disclose sensitiv...

Astra Linux – Vulnerability in Linux 5.15

A issue was discovered in ksmbd within the Linux kernel versions 5.15 through 5.19, prior to 5.19.2. There is an out-of-bounds read and an OOPS error for SMB2write, when a large length is present in the zero DataOffset case. source-iocs-preserved const=SMB2WRITE...

Astra Linux – Vulnerability in openimageio

There is a vulnerability related to out-of-bounds reading in the way OpenImageIO version v2.3.19.0 processes string fields in TIFF image files. A specially crafted TIFF file can lead to information disclosure. An attacker can provide a malicious file to exploit this vulnerability...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a use-after-free in btrfsencodedreadendio. Shinichiro reported the following use-after-free that sometimes occurs in our CI system when running fstests' btrfs/284 on a TCMU runner device: BUG: KASAN:...

Astra Linux – Vulnerability in freerdp2

FreeRDP is a free remote desktop protocol library and client. In affected versions, there is an out-of-bound read in the ZGFX decoder component of FreeRDP. A malicious server can trick a FreeRDP-based client into reading out-of-bound data and attempting to decode it, potentially leading to a cras...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. An integer underflow was detected in the extractccfromdata function within qtdemux.c. In the FOURCCc708 case, the subtraction of atomlength - 8 may result in an underflow if atomlength is less than 8. When this subtracti...

Astra Linux – Vulnerability in gst-plugins-good1.0

GStreamer is a library for constructing graphs of media-handling components. A OOB-read vulnerability has been discovered in the qtdemuxMergeSampleTable function within qtdemux.c. The issue arises from the fact that the size of the stts buffer is not properly checked before reading sttsDuration,...

Astra Linux – Vulnerability in xrdp

xrdp is an open-source project that provides a graphical login to remote machines using the Microsoft Remote Desktop Protocol RDP. xrdp versions prior to 0.9.21 contain a “Out of Bound Read” issue in the libxrdpsendtochannel function. There are no known solutions to this problem. Users are advise...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the cleanup flow for mlx5eprivinit. When mlx5eprivinit fails, the cleanup flow calls mlx5eselqcleanup, which in turn calls mlx5eselqapply. This ensures that priv-statelock is held using lockdepisheld. The statelo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog qdisctreereducebacklog is called with the qdisc lock held, not RTNL. We must use qdisclookuprcu instead of qdisclookup syzbot reported: WARNING: suspicious RCU usage...

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: HID: i2c-hid: removed the I2CHIDREADPENDING flag to prevent lock-ups. The I2CHIDREADPENDING flag is used to serialize I2C operations. However, this is not necessary, as the I2C core already has its own locking mechanism for this...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/aio: Check IOCBAIORW before the conversion of struct aiokiocb. The first argument of kiocbset Cancelfn may point to a struct kiocb that is not embedded within struct aiokiocb. With the current code, depending on the compiler,...

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

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables – Use a timestamp to check for set element timeout. A timestamp field was added at the beginning of the transaction; it is stored in the nftablespernetns area. The .insert, .deactivate, and syncgc functions...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protection against send buffer overflow in NFSv2 READDIR. The previous limit on the @count argument has been restored to prevent buffer overflow attacks...

Astra Linux – Vulnerability in Redis

Valkey is a distributed key-value database. Prior to versions 9.0.2, 8.1.6, 8.0.7, and 7.2.12, a malicious actor with access to the Valkey clusterbus port could send an invalid packet, causing an out-of-bound read operation, which might lead to the system crashing. The Valkey clusterbus packet...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: vt: initialize unicode screen buffer The syzbot report indicates a kernel vulnerability at the vcsread function 1. The buffer can be read immediately after the resizing operation. Initialize the buffer using kzalloc...

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: vxlan: Annotate FDB data races The “used” and “updated” fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to issues such as reported cases like 1. These issues can be reproduced using ...