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

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc95xx: Limit packet length to skb-len The packet length retrieved from the descriptor may be larger than the actual socket buffer length. In such cases, the cloned skb passed up the network stack may leak kernel memo...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Wifi: ath9k: Avoid reading uninitialized memory in ath9khtcrxmsg. syzbot reports that the uninitialized value is accessed at ath9khtcrxmsg. For ioctlUSBRAWIOCTLEPWRITE, the function ath9khifusbrxstream may call with pktlen = 0, b...

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

A null pointer dereference flaw was discovered in the Linux kernel API for the cryptographic algorithm scatterwalk functionality. This issue occurs when a user constructs a malicious packet with specific socket configurations, which could allow a local user to crash the system or escalate their...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: mwifiex: Fixed out-of-bounds access to the skb-data buffer during OOB operations and integer underflow when processing RX packets. Ensure that functions such as mwifiexprocessmgmtpacket, mwifiexprocessstarxpacket,...

Astra Linux – Vulnerability in Wireshark

A crash in the DNP dissector in Wireshark versions 3.4.0 to 3.4.6, as well as 3.2.0 to 3.2.14, allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

A memory leak in the Kafka protocol dissector in Wireshark versions 3.4.0 and 3.2.0 to 3.2.8 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in grub2

Integer underflow in grubnetrecvip4packets; A malicious IP packet can cause an integer underflow in the grubnetrecvip4packets function, affecting the rsm-totallen value. Under certain circumstances, the totallen value may wrap around to a small integer number, which will be used in memory...

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

In the Linux kernel, the following vulnerabilities have been resolved: Network: Fixed the issue where data was torn apart when accessing sk-skstamp in sockrecvcmsgs. KCSAN identified a data race in sockrecvcmsgs, where the read access to sk-skstamp requires using READONCE. Bug: KCSAN: Data race i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Prevent “decltag” from being referenced in “funcproto” arguments. Syzkaller managed to encounter another issue with “decltag”: btffuncprotocheck kernel/bpf/btf.c:4506 inline btfcheckalltypes kernel/bpf/btf.c:4734 inline...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fixed the issue where the memory of skmsg was charged twice. If tcpbpfsendmsg is running during a cleanup operation, psock may be freed. c tcpbpfsendmsg tcpbpfsendverdict skmsgreturn tcpbpfsendmsgredir unlikely!psoc...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a UAF Use-After-Free issue caused by a race between btftrygetmodule and loadmodule. While working on code to populate the BTF IDs for modules during their initialization, I noticed that by the time the initialization...

Astra Linux – Vulnerability in Chromium

Before version 91.0.4472.77, using free after in WebRTC in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted SCTP packet...

Astra Linux – Vulnerability in OpenLDAP

A flaw was discovered in OpenLDAP in versions prior to 2.4.56. This flaw allows an attacker who sends a malicious packet processed by OpenLDAP to force a failed assertion in csnNormalize23. The greatest threat of this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftct: Skip the evaluation of rules for confirmed conntrack entries. The nftctexpectobjeval function calls nfctextadd for confirmed conntrack entries. However, nfctextadd can only be called when !nfctisconfirmed is...

Astra Linux – Vulnerability in Wireshark

A large loop exists in the Bluetooth DHT dissector in Wireshark versions 3.4.0 to 3.4.9, and 3.2.0 to 3.2.17. This issue allows for denial of service through packet injection or with properly crafted capture files...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ovpn: TCP – fix for extracting packets from the stream When processing TCP stream data in ovpntcprecv, we receive large cloned skbs from strprcv, which may contain multiple coalesced packets. The current implementation has two...

Astra Linux – Vulnerability in Qemu

In QEMU versions up to 5.0.0, an assertion failure can occur during network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could exploit this flaw to terminate the QEMU process on the host, resulting in a denial-of-service condition in...

Astra Linux – Vulnerability in vlc

Videolan VLC prior to version 3.0.20 contains an integer underflow issue that can lead to incorrect packet lengths being displayed...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net:bcmgenet: A check for oversized packets has been added. Occasionally, we may receive oversized packets from the hardware that exceed the maximum buffer size of 2 KiB allocated for SKBs. A preliminary check is performed to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Programs marked as sleepable in the kprobe.multi configuration are rejected during attachment. kprobe.multi programs run in atomic/RCU contexts and cannot sleep. However, the bpfkprobemultilinkattach function did not validat...