Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RISCV: Fixed an oops error caused by the irqsoff latency tracer. The tracehardirqson,off functions require the caller to properly set up the frame pointer. This is because these two functions use the macro CALLERADDR1 also known ...

Astra Linux – Vulnerability in Linux 5.10

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...

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: 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 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/handshake: fixed null-ptr-deref in handshakenldonedoit We should not call tracehandshakecmddoneerr if the socket lookup fails. We should also call tracehandshakecmddoneerr before releasing the file; otherwise, dereferencin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix possible NULL pointer dereference in ufshcdaddcommandtrace The kernel log indicates a crash in ufshcdaddcommandtrace, due to a NULL pointer dereference when accessing hwq-id. This can happen if...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: Tracing: Fixed a sleeping function called from an invalid context in the RT kernel. When setting bootparams="traceevent=initcall:initcallstart tpprintk=1" in the cmdline, the outputprintk function was called, and spinlockirqsave...

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 – Vulnerabilities in Linux 5.10, 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

In the Linux kernel, the following vulnerability has been resolved: libie: Do not unroll if fwlog is not supported. The libiefwlogdeinit function can be called during driver unloading, even when firmware logging was never properly initialized. This caused a call trace like this: 148.576156 Oops:...

Astra Linux – Vulnerability in Linux, Linux 5.10

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

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 Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed null pointer dereference in bnxtbstracecheckwrap. With older firmware versions, we might encounter the ASYNCEVENTCMPLEVENTIDDBGBUFPRODUCER for the FW trace data type that has not been initialized. This could lead to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Converted spinlock to mutex to lock the evlworkqueue. drainworkqueue cannot be called safely in a spinlocked context due to possible task rescheduling. In the multi-task scenario, calling queuework while...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the amdgpuirqput call trace in gmcv110hwfini The gmc.eccirq is enabled by the firmware based on the IFWI setting. The host driver does not have privileges to enable/disable the interrupt. Therefore, using the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed the amdgpuirqput call trace in gmcv100hwfini. The gmc.eccirq is enabled by the firmware based on the IFWI setting. The host driver does not have privileges to enable/disable the interrupt. Therefore, using the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed OOB access in the DBGBUFPRODUCER async event handler. The ASYNCEVENTCMPLEVENTIDDBGBUFPRODUCER handler in bnxtasynceventprocess directly uses the ‘type’ field provided by the firmware as an index into bp-bsTrace,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the assignment logic of iocb. Commit 18ae8d12991b “f2fs: shows more DIO information at the tracepoint” introduced the iocb field in the ‘f2fsdirectIOenter’ trace event. It only assigns the pointer and then accesses...

Astra Linux – Vulnerability in Linux 5.10

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, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed the issue with page reclamation for dead peer devices. When adding a hairpin flow, a send queue is created on the peer net device’s side. This process requires some host memory pages for its internal ring...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: coresight: ETR: Fixed the “use-after-free” issue related to ETR buffer usage When ETR is enabled as CSMODESYSFS, if the buffer size is changed and the feature is re-enabled, currently, sysfsbuf will point to the newly allocated...