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: The warning in tracebufferedeventdisable has been fixed. The warning occurred in tracebufferedeventdisable at WARNONONCE!tracebufferedeventref. Call Trace: - warn+0xa5/0x1b0 - tracebufferedeventdisable+0x189/0x1b0 -...

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: Ring Buffer: Do not swap the cpubuffer during the resize process When the ringbufferswapcpu function is called during the resize process, the cpu buffer is swapped in the middle, resulting in an incorrect state. Continuing to run...

Astra Linux – Vulnerability in Linux, Linux 5.10

It was discovered that there was a lack of CPU resources in the Linux kernel tracing module functionality in versions prior to 5.14-rc3. This issue occurred due to the way users utilize the trace ring buffer. Only privileged local users with the CAPSYSADMIN capability could exploit this flaw to...

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 writes and swapping operations. 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 found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed a null pointer dereference in the tracingerrlogopen function. This issue occurs when the function does not call seqopen if the file is opened only with write permissions. As a result, file-privatedata remains...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Tracing/histograms: Fixed the memory leak issue. This issue is resolved through commit 46bbe5c671e06f070428b9be142cc4ee5cedebac. As mentioned in commit 46bbe5c671e0 “Tracing: fixed double-free”, the “double-free” problem reported...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: A race condition has been fixed, where eprobes can be called before the event occurs. The flag that instructs the event to call its triggers after reading the event is set for eprobes after they are enabled. This leads t...

Astra Linux – Vulnerability in Firefox and Thunderbird

Cross-Site Tracing occurs when a server echoes a request back using the Trace method, allowing an XSS attack to access authorization headers and cookies that are inaccessible to JavaScript such as cookies protected by HTTPOnly. To mitigate this attack, browsers imposed restrictions on fetch and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: flowdissector: Use DEBUGNETWARNONONCE. The following issue is easy to reproduce both upstream and in the -stable kernels. Florian Westphal provided the following commit: d1dab4f71d37 “net: add and use skbgethashsymmetricnet"...

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

In the Linux kernel, the following vulnerability has been resolved: tracing/trigger: Fixed to return an error if attempting to allocate a snapshot fails. registersnapshottrigger function was fixed to return an error code if it fails to allocate a snapshot, instead of returning 0 success. Otherwis...

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

In the Linux kernel, the following vulnerability has been resolved: Tracing: A overflow issue in getfreeelt has been fixed. The variable tracingmap-nextelt is at risk of overflowing. Once it overflows, new elements can still be inserted into the tracingmap, even though the maximum number of...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: The length check that causes memory corruption was corrected. We have experienced severe kernel crashes due to memory corruption in our production environment. For example: Call Trace: 1640542.554277 General protectio...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: riscv: trace: fix snapshot deadlock with sbi ecall If the functions in sbiecall.c are traceable, the command: echo "sbiecall:snapshot" /sys/kernel/tracing/setftracefilter can cause the kernel to enter a deadlock. Functions in...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/idle: Marking archcpuidle as having no instructions The linux-next commit “cpuidle: tracing: Warning about !rcuiswatching” adds a new warning that affects the archcpuidle function on the s390 architecture. WARNING: “CPU: 2...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a situation where a double free of the qgroup record occurred after attempting to add a delayed ref head failed. In the previous code, it was possible for a double kfree scenario to occur when calling...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: tracing: Restructure traceclockglobal to never block. It was reported that a fix to the ring buffer recursion detection would cause a hung machine during suspend/resume testing. The following backtrace was extracted from debuggin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Ensure that the write index cannot be negative. The write index indicates which event the data corresponds to and accesses a per-file array. This index is passed by user processes during write calls as the fir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: Fixed the issue with copylinklist updates when the “copyTracemarker” option is enabled for an instance. When this option is enabled, any data written to /sys/kernel/tracing/tracemarker is also copied into the buffer o...

Astra Linux – Vulnerability in Chromium

A stack buffer overflow in Tracing in Google Chrome prior to version 132.0.6834.83 allowed a remote attacker to potentially exploit stack corruption through a crafted HTML page. Chromium security severity: High...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Tracing: It was determined that processstring also allows arrays. To address a common bug where TRACEEVENT’s TPfastassign assigns the address of an allocated string to the ring buffer and then references it in TPPrintk, which can...