Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “perf trace: Really free the evsel-priv area” In 3cb4d5e00e037c70 “perf trace: Free syscall tp fields in evsel-priv”, it only freed the area if strcmpevsel-tpformat-system, “syscalls” returned zero. However, the initialization of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tracing/hist: Fix out-of-bound write on ‘actiondata.varrefidx’ When generating a synthetic event with many parameters and then creating a trace action for it 1, a kernel panic occurred 2. This issue arises because in...

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

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed a deadloop issue when reading tracepipe. A soft lockup occurs when reading the file ‘tracepipe’: - Watchdog: BUG: Soft lockup – CPU6 stuck for 22 seconds! cat:4488 - ... - RIP: 0010:...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed page reclamation for dead peer hairpin When adding a hairpin flow, a send queue is created on the peer net device’s side, which claims some host memory pages for its internal ring buffer. If the peer net devic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential null-ptr-dereference in tracearray in kprobeeventgentestexit When testgenkprobecmd fails after kprobeeventgencmdend, it will go to delete, which will call kprobeeventdelete and release the...

Astra Linux – Vulnerability in Wireshark

The Gammu DCT3 trace file parser crashes in versions 4.6.0 to 4.6.7, allowing for a denial of service attack...

Astra Linux – Vulnerability in Firefox

A memory-out-of-memory condition during object initialization could lead to an empty shape list. If the JIT compiler traces the object subsequently, it will cause a crash. This vulnerability affects Firefox versions less than 125...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Tracing: kprobe: Fixed a potential nullptrdereference issue in traceeventfile in kprobeeventgentestexit. When tracegeteventfile fails, genkretprobetest will be assigned as the error code. If the kprobeeventgentest module is remov...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: i40e: Fixed the call trace in setuptxdescriptors. After a PF reset and the use of ethtool -t, there was a call trace in dmesg. Sometimes this led to a panic. After some time, approximately 5 seconds, between a reset and a test...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: traceeventshist: A check was added to ensure that the return value of createhistfield is checked. The function createhistfield is called recursively at line 1954 of traceeventshist.c, and it may return a NULL value. Therefore, we...

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: Tracing: Add downwritetraceeventsem when adding a trace event. When a module is loaded, it adds trace events defined by that module. It may also be necessary to modify the module’s trace printk formats by replacing enum names wit...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the svcdeferredevent trace class. Fixed a NULL dereference crash that occurs when an svcrqst is deferred, while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it cannot be relied upon i...

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: Media: i2c: tc358743 – Fixed use-after-free bugs caused by an orphan timer in the probe. state-timer is a cyclic timer that schedules worki2cpoll and delayedworkenablehotplug, while rearming itself. Using timerdelete fails to...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Binder: Fix for UAF in alloc-vma during race with munmap cmllamas: Cleaned up the forward port from commit 015ac18be7de “Binder: Fix for UAF in alloc-vma during race with munmap” in 5.10 stable. This was necessary in the mainline...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: Fixed a heap buffer overflow in ioam6fillTraceData. In the receive path, ioam6fillTraceData uses trace-nodelen to determine how much data to write for each node. It relies on this field directly from the incoming...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: early: xhci-dbc: Fixed a potential out-of-bound memory access issue. If xdbcbulkwrite fails, the values in ‘buf’ can be anything. Therefore, it is not guaranteed that the string will be terminated with NULL when xdbcTrace is...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: The memory leak in iter-temp occurred during the reading of tracepipe. kmemleak reports: Unreferenced object: 0xffff88814d14e200 size 256 Details: - Process: “cat”, PID: 336; Jiffies: 4294871818 age: 779.490 seconds - He...

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 in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: This vulnerability prevents a wraparound in the schema length during the trace fill operation. The ioam6fillTraceData function stores the schema contribution to the trace length in an u8 type variable. When bit 2...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference in ntfsupdatemftmirr. If ntfsfillsuper is not called, then sbi-sb will be equal to NULL. The code should check this pointer before dereferencing it. The Syzbot encountered this issue by passing...