Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Staging: vt6655 – fixed a potential memory leak. In the function deviceinittd0ring, memory is allocated for the member tdinfo of priv-apTD0Ringsi, where i increases from 0. If an allocation failure occurs, the memory is freed in...

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: scsi: target: tcmloop: Fixed a segfault in tcmlooptpgaddressshow If the allocation of tlhba-sh fails in tcmloopdriverprobe, and we attempt to dereference it in tcmlooptpgaddressshow, we will encounter a segfault. See below for an...

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

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actapi: fixed a possible infinite loop in tcfidrcheckalloc The syzbot detected tasks that were stuck while waiting for rtnllock 1 A reproducer is available in the syzbot bug report. When a request is made to add...

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

In the Linux kernel, the following vulnerability has been resolved: ext4: A infinite loop occurs when replaying fastcommit. When performing a fastcommit replay, an infinite loop may occur due to an uninitialized extentstatus structure. The ext4extdetermineinserthole function does not detect this...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs-clt: Resets cid to connum – 1 to remain within bounds. In the function initconns, after the createcon and createcm calls for the loop, if something fails. During the cleanup phase of the loop, after the destroy tag, we...

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

In the Linux kernel, the following vulnerability has been resolved: net: Fixed an unsafe loop on the list. The kernel may crash when deleting a genetlink family if there are still listeners for that family: Oops: Kernel access to a corrupted area, sig: 11 1 … NIP c000000000c080bc...

Astra Linux – Vulnerability in python-tornado

Tornado is a Python web framework and asynchronous networking library. The algorithm used for parsing HTTP cookies in Tornado versions prior to 6.4.2 sometimes has quadratic complexity, leading to excessive CPU consumption when parsing maliciously-crafted cookie headers. This parsing occurs in th...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mvm: Fix for 6 GHz scan construction If there are more than 255 colocated APs during 2.4/5 GHz scanning, the 6 GHz scan construction will loop indefinitely. This is because the loop variable is of type u8, which ca...

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: soc: qcom: geni-se: fix array underflow in geniseclktblget This loop is supposed to break if the frequency returned by clkroundrate is the same as that of the previous iteration. However, that check doesn’t make sense during the...

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: hfsplus: don't query the device logical block size multiple times Devices block sizes may change. One of these cases is a loop device by using ioctl LOOPSETBLOCKSIZE. While this may cause other issues like IO being rejected, in t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with the guest value only before entering the .vcpurun loop. Move the conditional loading of hardware DR6 with the guest’s DR6 value out of the core .vcpurun loop to fix a bug where KVM may load hardware with a...

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: pagepool: Avoid infinite loops when scheduling delayed workers. We noticed that the kworker in pagepoolreleaseretry was waking up repeatedly and infinitely in production. This issue was caused by a buggy driver, which resulted in...

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: Squashfs: check the return result of sbminblocksize Syzkaller reports a bug named “UBSAN: shift-out-of-bounds in squashfsbioread”. Syzkaller forks multiple processes. After mounting the Squashfs filesystem, it issues an...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: loop: Overflow check during loop configuration The user space can configure a loop using an ioctl call. In this process, a configuration of type loopconfig is passed see the loioctl case on line 1550 of drivers/block/loop.c. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: A possible infinite loop has been fixed in fib6infousesdev. fib6infousesdev appears to rely on RCU without proper protection. Similar to the previous fix in rt6nlmsgsize, we need to ensure that fib6delroute or fib6addrt2nod...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: kprobes: Do not call disarmkprobe for disabled kprobes The assumption in disablekprobe is incorrect, and it may attempt to disarm a kprobe that is already disarmed, thereby triggering WARNONCE below. This issue can be easily...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: openvswitch: Fixed a race condition related to port output. Assume the following setup on a single machine: 1. An openvswitch instance with one bridge and default flows. 2. Two network namespaces: “server” and “client”. 3...

Astra Linux – Vulnerability in Wireshark

In Wireshark versions 3.2.0 to 3.2.4, the GVCP dissector could enter an infinite loop. This issue was addressed in the epan/dissectors/packet-gvcp.c file by ensuring that the offset increased in all situations...

Astra Linux – Vulnerability in Wireshark

In Wireshark versions up to 3.2.7, the Facebook Zero Protocol also known as FBZERO dissector could enter an infinite loop. This issue was addressed in the epan/dissectors/packet-fbzero.c file by correcting the implementation of offset advancement...

Astra Linux – Vulnerability in libvncserver

A issue was discovered in LibVNCServer before version 0.9.13. An improperly closed TCP connection causes an infinite loop in the libvncclient/sockets.c file...