Astra Linux – Vulnerability in Linux

A memory-bound write flaw 1 or 2 bytes of memory was identified in the Linux kernel’s NFS subsystem, related to the way users use mirroring replication of files via NFS. A user with access to the NFS mount could potentially exploit this flaw to crash the system or escalate privileges on the syste...

Astra Linux – Vulnerability in Chromium

Before version 105.0.5195.52, using the "after free" mechanism in the Network Service in Google Chrome allowed a remote attacker to potentially exploit heap corruption through a crafted HTML page...

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

In the Linux kernel, the following vulnerability has been resolved: Wifi: brwifimac – Fixed a potential memory leak in brwifinetdevstartxmit. The function brwifinetdevstartxmit returns NETDEVTXOK without freeing the skb variable, especially when pskbexpandhead fails. This issue was addressed by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netdevsim: Avoid potential loops in nsimdevtrapreportwork. Many syzbot reports include the following trace 1. If nsimdevtrapreportwork cannot acquire the mutex, it should rearm itself at least one jiffie later. 1 Sending NMI...

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: tty: ngsm: requires CAPNETADMIN to attach NGSM0710 ldisc. Any unprivileged user can attach to NGSM0710 ldisc, but it still requires CAPNETADMIN to create a GSM network. Additionally, it requires the initial namespace setting of...

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: TCP: Timers for kernel sockets are properly terminated. We received various reports from syzbot that indicated that TCP timers would still fire even after the corresponding netns has been dismantled. Fortunately, Josef Bacik was...

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

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

Astra Linux – Vulnerability in Qemu

An integer underflow issue was discovered in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could exploit this flaw to render QEMU unresponsive by sending a specially crafted payload message, resulting in a denial of service...

Astra Linux – Vulnerability in OVN

A flaw was discovered in Open Virtual Network, where the service monitor MAC does not properly implement rate limiting. This issue could allow an attacker to cause a denial of service, even in deployments with CoPP enabled and properly configured...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: schtaprio: fixed possible use-after-free issue. syzbot reported a serious crash 1 in nettxaction, which made no sense until we obtained a reproducible example. This example reinstalls the taprio qdisc, but an invali...

Astra Linux – Vulnerability in Linux

A NULL pointer dereference flaw was discovered in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem, regarding the way the user terminates the LR-WPAN connection. This flaw allows a local user to crash the system. The greatest threat posed by this vulnerability is to system...

Astra Linux – Vulnerability in Firefox

When a network error occurred during page loading, the previous content could remain visible, accompanied by a blank URL bar. This could be used to disguise a spoofed website. This vulnerability affects Firefox versions earlier than 126...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: can: dev: cangetechoskb: prevents calling kfreeskb in a hard IRQ context. If a driver calls cangetechoskb during a hardware IRQ which is often, but not always the case, the WARNONinirq in net/core/skbuff.cskbreleaseheadstate migh...

Astra Linux – Vulnerability in nss

When performing EC scalar point multiplication, the wNAF point multiplication algorithm was used; this resulted in the leakage of partial information regarding the nonce used during signature generation. Given an electro-magnetic trace from several generations of signatures, the private key could...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquiring RTNL before calling ip6mrfreetable on a failure path The ip6mrfreetable function can only be called under an RTNL lock. RTNL: Assertion failed at net/core/dev.c 10367 WARNING: CPU: 1 PID: 5890 at...

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

Guests can trigger the reset/abort/crash of the NIC interface through netback. It is possible for a guest to trigger a NIC interface reset/abort/crash in a Linux-based network backend by sending certain types of packets. It seems to be an unstated assumption in the rest of the Linux network stack...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: Fixed a block leak of the percpu counter on the error path when creating new netns. This issue occurs at the stack location where the percpu counter block is allocated: +- ip6tregistertable +- translatetable...

Astra Linux – Vulnerability in Chromium

A heap buffer overflow in the Network Service of Google Chrome prior to version 109.0.5414.74 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption through a crafted HTML page and specific interactions. Chromium security severity: High...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nfsd: The value of sccount is decreased directly if the dlrecall queue operation fails. A deadlock warning occurred when invoking nfs4putstid after a failed dlrecall queue operation: T1 T2 nfs4laundromat nfs4getclientreaplist...

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. The vulnerability affects the intrcallback function in the drivers/net/usb/r8152.c file of the BPF component. Manipulation of this function results in the logging of excessive data. The attack can be...