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: Tracing: Fixed a race condition between CPU buffer write and swapping. A warning occurred in rbendcommit at the following line of code: if RBWARNONcpubuffer, !localread&cpubuffer-committing WARNING: CPU: 0 PID: 139 at...

Astra Linux – Vulnerability in libpgjava

pgjdbc is an open-source PostgreSQL JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc was vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server could instruct the driver to perform SCRAM authentication with a very large iteration...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: x86/cpu/hygon: Added resctrlcpudetect to the bspinit helper. Since 923f3a2b48bd “x86/resctrl: Query LLC monitoring properties once during boot”, resctrlcpudetect has been moved from the common CPU initialization code to the...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: x86/kvm: The teardown of PV features also occurs during boot-up. Various PV features Async PF, PV EOI, steal time work through memory shared with the hypervisor. When we resume from hibernation, we must properly teardown all...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ARM: 9381/1: kasan: cleared stale stack poison We have identified the following OOB crash: 33.452494 ================================================================== 33.453513 BUG: KASAN: stack-out-of-bounds in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf: Fixed list corruption in perfcgroupswitch. There is list corruption in cgrpcpuctxlist. This occurs at the following path: perfcgroupswitch: listforeachentrycgrpcpuctxlist cpuctxschedin ctxschedin ctxpinnedschedin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fixed an issue where the non-existent percpu rtpcp variable was accessed in rcutasksneedgpcb. For kernels built with CONFIGFORCENRCPUS=y, nrcpuids is defined as NRCPUS instead of the number of possible CPUs. This can...

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: posix-cpu-timers: This issue prevents UAF Use-after-Allocation caused by a race condition involving non-leader exec. Wongi and Jungwoo identified and reported a race condition related to exec, which can lead to UAF. The detailed...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect the driver from buggy firmware When processing port up/down events generated by the device’s firmware, the driver attempts to protect itself from events reported for non-existent local ports. However, it...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Thermal: intelpowerclamp: Use getcpu instead of smpprocessorid to avoid crashes. When CPU 0 is offline and intelpowerclamp is used to simulate idle state, it causes a kernel bug: Bug: Using smpprocessorid in preemptible 000000...

Astra Linux – Vulnerability in libxstream-java

XStream is an open-source Java library for serializing objects to XML and back. Versions prior to 1.4.19 may allow a remote attacker to allocate 100% of the CPU time on the target system, depending on the CPU type or through parallel execution of such operations. This can lead to a denial of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: remove the cpuhp instance node before removing the cpuhp state The functions cpuhpstateaddinstance and cpuhpstateremoveinstance should be used in pairs. Otherwise, a warning will be issued when calling...

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: powerpc/64s/slb: Fixed the issue where multiple hits occurred during SLB preloading. On systems that use the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Destroying vGIC structures during failed vCPU creation If the function kvmarchvcpucreate fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl, but leave the vGIC vCPU structures...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: io-wq: Fixed a memory leak during worker creation. If the CPU mask allocation for a node fails, the memory allocated for the iowqe structure of the current node does not get freed during error handling, since it has not yet been...

Astra Linux – Vulnerability in python-urllib3

urllib3 is a user-friendly HTTP client library for Python. Starting from version 1.24 and before 2.6.0, the number of links in the decompression chain was unbounded, allowing a malicious server to insert virtually an unlimited number of compression steps. This led to high CPU usage and massive...

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: net/sched: fqpie: avoid stalls in fqpietimer When setting a high number of flows limit being 65536, fqpietimer is currently using too much time as syzbot reported. Add logic to yield the cpu every 2048 flows less than 150 usec on...

Astra Linux – Vulnerability in cairosvg

CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG, there was exponential denial of service due to recursive elements being amplified in the cairosvg/defs.py file. This caused CPU exhaustion with even small inputs...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/rt: The function rtonextcpu should now properly handle situations where only CPU0 is overloaded. In such cases, rtonextcpu should ideally return -1, indicating that no further IPIs are needed. The vulnerability arises when...

Astra Linux – Vulnerability in Qemu

An infinite loop flaw was discovered in the e1000 NIC emulator of QEMU. This issue occurs when processing transmit tx descriptors in processtxdesc, especially if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in...