Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fixed the duplicated IWCMEVENTCONNECTREPLY event reported. If siwrecvmparr returns -EAGAIN, it means that the MPA reply has not been fully received, and IWCMEVENTCONNECTREPLY should not be reported in this case. This ma...

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

In the Linux kernel, the following vulnerabilities have been resolved: HID: logitech-hidpp: Fixed a kernel crash when the USB connection is disconnected. The function hidppconnectevent experiences four times-of-check versus-time-of-use TOCTOU races when it races with itself. hidppconnectevent...

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: vsock/virtio: Discard packets if the transport changes. If the socket has been de-assigned or assigned to another transport, we must discard any packets received because they are not expected and would cause issues when accessing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: sme: cap SSID length in cfg80211connectresult If the ssid-datalen is greater than IEEE80211MAXSSIDLEN 32, it could lead to memory corruption. Therefore, bounds checking has been added...

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: usb: gadget: userial: Fixed race condition in TTY wakeup A race condition occurs when gsstartio calls either gsstartrx or gsstarttx. These functions briefly release the portlock of usbepqueue. This allows gsclose and...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw occurs during the handling of the SMB2TREECONNECT and SMB2QUERYINFO commands. The issue arises from the lack of proper validation of a pointer before accessing it. An...

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: wifi: ath9k: A range check was added for connrspepid in htcconnectservice. I have also identified the following bugs in my fuzzer: - UBSAN: Array index out of bounds in drivers/net/wireless/ath/ath9k/htchst.c:26:51. Index 255 is...

Astra Linux – Vulnerability in Linux 5.10, Linux

There are use-after-free vulnerabilities in the net/bluetooth/l2capcore.c files, specifically in the l2capconnect and l2capleconnectreq functions. These vulnerabilities may allow code execution and the leakage of kernel memory remotely via Bluetooth. A remote attacker can execute code that leaks...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vsock: Remove the socket from the connected list when the connect operation is interrupted by a signal. The vsockconnect function expects that the socket might already be in the TCPESTABLISHED state when the connect operation is...

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: ocfs2: A double-free operation was corrected in userclusterconnect. userclusterdisconnect frees "conn-ccprivate", which is actually "lc". However, the error handling frees "lc" again. Setting "lc" to NULL in this case can prevent...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix for use-after-free in ksmbdtreeconnectput under concurrency conditions. Under high concurrency, a tree-connection object tcon is freed during a disconnection path, while another path still holds a reference to it...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – Fixed RCU usage in the connect path. With lockdep enabled, calls to the connect function from the cfg802.11 layer lead to the following warning: ============================= WARNING: Suspicious RCU usage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Use memset to avoid memory leaks. Use memset to initialize structs to prevent memory leaks. In l2capecredconnect...

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: vsock: Ignore signals/timesouts on connect if the socket is already established. During connect, acting on a signal/timesout by disconnecting an already established socket leads to several issues: 1. connect invokes...

Astra Linux – Vulnerability in Ceph

Ceph is a distributed object, block, and file storage platform. In versions 19.2.3 and earlier, it is possible to send a JWT with “none” as its JWT algorithm. By doing this, the JWT signature is not checked. The vulnerability lies most likely in the RadosGW OIDC provider. As of the time of...

Astra Linux – Vulnerability in Linux

A vulnerability was discovered in the Linux kernel, where a reference count leak in the llcpsockconnect function causes a use-after-free condition, which may lead to privilege escalation...

Astra Linux – Vulnerability in Mariadb 10.3

MariaDB CONNECT Storage Engine Format String Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected MariaDB installations. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of SQL...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A vulnerability has been discovered in the Linux kernel. It has been identified as a problem. This vulnerability affects the function vsockconnect in the file net/vmwvsock/afvsock.c. Manipulation of this function leads to a memory leak. The complexity of an attack is quite high. Exploitation of...

Astra Linux – Vulnerability in jackd2

In posix/JackSocket.cpp within the libjack library in JACK2 version 1.9.1 through 1.9.12 distributed with alsa-plugins 1.1.7 and later, there is an issue where “double file descriptor closes” occur during a failed connection attempt when jackd2 is not running. Successful exploitation depends on t...

Astra Linux – Vulnerability in libvirt

A use-after-free flaw was discovered in libvirt. The qemuMonitorUnregister function in qemuProcessHandleMonitorEOF is called using multiple threads without being adequately protected by a monitor lock. This flaw could be triggered by the virConnectGetAllDomainStats API when the guest is shutting...