Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been discovered in the Linux kernel. It has been classified as problematic. The affected function is nilfsnew inode in the file fs/nilfs2/inode.c of the BPF component. This vulnerability allows for manipulation after the memory allocation function free is called. The attack ca...

Astra Linux – Vulnerability in Wireshark

IEEE 1609.2 dissector crash in Wireshark versions 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 allows denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: caif: A memory leak has been fixed in cfctrllinkuprequest. When linktype is unknown, or kzalloc fails in cfctrllinkuprequest, pkt is not released. Add a release process to the error handling logic...

Astra Linux – Vulnerability in Wireshark

An infinite loop in the RTMPT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows for denial of service through packet injection or crafted capture files...

Astra Linux – Vulnerability in Linux 5.10

A double-free bug in the packetsetring function in net/packet/afpacket.c can be exploited by a local user through crafted syscalls to escalate privileges or deny services. We recommend upgrading the kernel to a version that is not affected by this bug, or rebuilding the code after the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Memory leaks have been fixed in checkfunccall. kmemleak reports this issue: Unreferenced object 0xffff88817139d000 size 2048: comm "testprogs", pid 33246, jiffies 4307381979 age 45851.820s Hex dump first 32 bytes: 01 00 0...

Astra Linux – Vulnerability in Wireshark

Due to a failure in validating the length provided by a CP2179 packet crafted by an attacker, Wireshark versions 2.0.0 through 4.0.7 are vulnerable to a denial-of-service attack that exploits this flaw...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel in versions prior to 5.4.92 regarding the BPF protocol. This flaw allows an attacker with a local account to disclose information about kernel internal addresses. The greatest threat posed by this vulnerability relates to confidentiality...

Astra Linux – Vulnerability in Corosync

A flaw was discovered in Corosync. A remote, unauthenticated attacker can exploit a vulnerability related to incorrect return values in the Corosync membership commit token sanity check by sending a specially crafted User Datagram Protocol UDP packet. This can lead to an out-of-bounds read,...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afpacket: fixed vlangetprotocoldgram vs MSGPEEK The responsible commit forgot to handle the MSGPEEK case, resulting in a crash 1, as detected by syzbot. vlangetprotocoldgram was rewritten so that it does not touch the skb at...

Astra Linux – Vulnerability in Wireshark

The T.38 dissector crash in Wireshark versions 4.2.0 to 4.0.3, and 4.0.0 to 4.0.13 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the regsafe function for pointers to packets. In the case where rold-reg-range == BEYONDPKTEND and rcur-reg-range == N, regsafe may return true, which may result in the current state with a valid packet range not being...

Astra Linux – Vulnerability in Wireshark

The GQUIC dissector crash in Wireshark versions 4.0.0 to 4.0.4, and 3.6.0 to 3.6.12 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

The LISP dissector’s large loop in Wireshark versions 4.0.0 to 4.0.4, and 3.6.0 to 3.6.12 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerabilities in Linux, 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 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 in Wireshark

MONGO and ZigBee TLV dissector have infinite loops in Wireshark versions 4.2.0 to 4.2.4, 4.0.0 to 4.0.14, and 3.6.0 to 3.6.22. These bugs allow for denial of service through packet injection or with properly crafted capture files...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: Dropping pending packets that are enqueued during the removal of a template. “Templates” refer to objects that can disappear when packets are stored in nfqueue. nfqueue refers to: - helpers: This can be a issue...

Astra Linux – Vulnerability in Linux, Linux 5.10

A stack overflow flaw was discovered in the Linux kernel’s TIPC protocol functionality. This flaw occurs when a user sends a packet containing malicious content, where the number of domain member nodes exceeds the allowed limit of 64. This flaw allows a remote user to crash the system or...

npcap v1.89

Npcap Npcap is a packet capture and injection library for Windows by the Nmap Project. It is a complete update to the unmaintained WinPcap project with improved speed, reliability, and security. Documentation The complete documentation for Npcap is available in the Npcap Guide on npcap.com. There...