Astra Linux – Vulnerability in OpenLDAP

A flaw was discovered in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, thereby triggering an assertion failure. The greatest threat of this vulnerability is to system availability...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/packet: fixed a slab-out-of-bounds access in packetrecvmsg syzbot found that when an AFPACKET socket uses PACKETCOPYTHRESH and mmap operations, tpacketrcv queues skbs with garbage in skb-cb, causing an excessive copy...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: A bug in accessing the uninit variable was fixed in qrtrtxresume. Syzbot reported the bug as follows: ===================================================== Bug: KMSAN: Access to the uninitvalue variable in...

Astra Linux – Vulnerability in Wireshark

The CBOR dissector crash in Wireshark versions 4.0.0 to 4.0.6 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insufficient bounds propagation from adjustscalarminmaxvals Kuee reported a corner case where the tnum becomes constant after the call to regboundoffset, but the bounds of the register are not correct. In particular, the...

Astra Linux – Vulnerability in Wireshark

The XRA dissector infinite loop in Wireshark versions 4.0.0 to 4.0.5, and 3.6.0 to 3.6.13 allows for denial of service through packet injection or malicious capture files...

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: bpf: Ensuring that pending IRQ work is processed before freeing the ring buffer. A race condition was addressed in this fix, where irqwork could be queued in bpfringbufcommit, but the ring buffer was freed before the work execute...

Astra Linux – Vulnerability in u-boot

A issue was discovered in Das U-Boot during the period from 2019.07. There is an unbounded memcpy operation when parsing a UDP packet, due to an underflow of the netprocessreceivedpacket integer during the udppackethandler call...

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

The fix for XSA-423 added logic to the Linux’ netback driver to handle cases where a packet is split by a frontend, resulting in not all of the headers being together in one piece. Unfortunately, the introduced logic did not account for the extreme case where the entire packet is split into as ma...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was performing a socket lookup, taking a reference count of the socket. It w...

Astra Linux – Vulnerability in Wireshark

The SPRT dissector crash in Wireshark versions 4.2.0 to 4.0.5, and 4.0.0 to 4.0.15 allows denial of service through packet injection or malicious capture files...

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 – 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 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 libslirp

In slirp.c within libslirp up to version 4.3.1, there is an issue with buffer over-reading. This occurs because the code attempts to read a certain amount of header data, even if that amount exceeds the total packet length...

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

In the Linux kernel, the following vulnerabilities have been resolved: Wireguard: Receive: Annotated data-race around receivingcounter.counter. Syzkaller with KCSAN identified a data-race issue when accessing keypair-receivingcounter.counter. Use READONCE and WRITEONCE annotations to mark the dat...

Astra Linux – Vulnerability in Wireshark

The iSCSI dissector in Wireshark versions 4.0.0 to 4.0.6 allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

Large loops in multiple protocol dissectors in Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allow denial of service via packet injection or crafted capture files...

Astra Linux – Vulnerability in Qemu

A divide-by-zero issue was discovered in dwc2handlepacket in hw/usb/hcd-dwc2.c, within the hcd-dwc2 USB host controller emulator in QEMU. A malicious guest could exploit this flaw to crash the QEMU process on the host, resulting in a denial of service...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfqueue – fixed a possible use-after-free issue. Eric Dumazet says: The sockhold function seems suspicious, as there is no guarantee that skrefcnt is not already 0. In case of failure, we cannot queue the packet and...