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 Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: Use cpuhpstateremoveinstancenocalls instead of cpuhpstateremoveinstance so that the notifications do not execute after the PMU device has been unregistered. When tearing down a ‘hisihns3’ PMU, we accidentally...

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: posix-cpu-timers: A race condition between handleposixcputimers and posixcputimerdel has been fixed. If a task that exits without autoreaping has already called exitnotify and calls handleposixcputimers from the IRQ, it can be...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix for accessing freed irq affinityhint In stmmacrequestirqmultimsi, a pointer to the stack variable cpumask is passed to irqsetaffinityhint. This value is stored in irqdesc-affinityhint, but once...

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/smt: Fixed the imbalance in schedsmtpresent. I received the following warning during the stress test: jump label: negative count! WARNING: CPU: 3, PID: 38, at kernel/jumplabel.c:263, statickeyslowtrydec+0x9d/0xb0 Call Trace...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rcutorture: Fixed the issue where ksoftirqd’s timing and iteration were increased. The RCU priority boosting can fail in two situations: 1 If nrcpus maxcpus, meaning that the total number of CPUs is greater than the number of...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networks: DSA: QCA8K: resetting the CPU port when the MTU changes. It was discovered that the documentation lacks a fundamental detail regarding how to correctly change the MAXFRAMESIZE of the switch. In fact, if the MAXFRAMESIZE...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: scsi: lpfc: Fixed the call trace observed during I/O operations with CMF enabled. The following issue was observed with CMF enabled: BUG: Use of smpprocessorid in preemptible code: kernel: Caller is lpfcupdatecmfcmd+0x214/0x42...

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

In the Linux kernel, the following vulnerability has been resolved: ACPI: processoridle: A memory leak was fixed in acpiprocessorpowerexit. After unregistering the CPU idle device, the memory associated with it wasn’t freed, resulting in a memory leak: unreferenced object 0xffff896282f6c000 size...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fixed an oops during rmmod on single-CPU platforms. During the removal of the idxd driver, a registered offline callback was invoked as part of the cleanup process. However, on systems with only one CPU online, n...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...

Astra Linux – Vulnerability in imagemagick

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2.23 and 6.9.13-48, a flaw in the MIFF decoder allowed a malicious file to create an infinite loop, leading to CPU exhaustion. Versions 7.1.2.23 and 6.9.13-48 have fixed this issue...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RCU: Fixed the lockdep warning in thiscpuread in rcuforcequiescentstate. Running rcutorture with a non-zero fqsduration module parameter in a kernel built with CONFIGPREEMPTION=y results in the following error: BUG: Using...

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: x86/microcode/AMD: Fixed an out-of-bounds access on systems with CPU-less NUMA nodes. Currently, the loadmicrocodeamd function iterates over all NUMA nodes, retrieves their CPU masks, and accesses per-CPU data for the first CPU o...

Astra Linux – Vulnerability in the 389-DS-base

A flaw was discovered in 389-ds-base. The getldapmessagecontrolsext function in the LDAP server does not enforce an upper limit on the number of controls per LDAP message. A remote, unauthenticated attacker can send a specially crafted LDAP request containing hundreds of thousands of minimal...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: powercap: dtpmcpu: Fixed a NULL pointer dereferencing in getpdpoweruw. The getpdpoweruw function can crash due to a NULL pointer dereferencing when emcpuget returns NULL. This occurs when a CPU becomes unavailable during runtime,...

Astra Linux – Vulnerability in Ruby-Rack

Rack is a modular Ruby web server interface. In versions 3.0.0.beta1 through 3.1.21, and from 3.2.0 through 3.2.6, Rack::Multipart::Parserhandlemimehead parsed quoted multipart parameters such as Content-Disposition: form-data; name="..." using repeated Stringindex searches combined with...

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

In the Linux kernel, the following vulnerabilities have been resolved: hwmon: coretemp Fixed out-of-bounds memory access. Fixed a bug where pdata-cpumap was set before the out-of-bounds check. This issue may occur on systems with more than 128 cores per package...

Astra Linux – Vulnerability in libxstream-java

XStream is a simple library for serializing objects to XML and back again. In affected versions, this vulnerability may allow a remote attacker to allocate 100% of the CPU resources on the target system, depending on the type of CPU or through parallel execution of such a payload. This results in...