writeup-cve-2019-19194

Análisis de CVE-2019-19194 Este es un análisis y una Prueba de Concepto teórica de CVE-2019-19194. ⚠️ Este CVE fue encontrado por https://asset-group.github.io/disclosures/sweyntooth/ Tabla de contenido Resumen Software y versión vulnerable Visión general Pila de protocolos y arquitectura...

Whisper_Bully

Whisper Bully Extracción de BDADDR Bluetooth, Denegación de Servicio y Herramienta de Investigación de Secuestro © 2026 @Ymsniper — Solo para investigación de seguridad autorizada. Resumen Whisper Bully es una herramienta de investigación de seguridad Bluetooth de tres etapas que apunta a...

CVE-2026-18747

The MCUmgr SMP-over-console transport decodes a base64 frame, reads a 16-bit packet length from it, verifies a CRC and then unconditionally strips the trailing CRC with rxctxt-nb-len -= 2U; in mcumgrserialprocessfrag subsys/mgmt/mcumgr/transport/src/serialutil.c. mcumgrserialextractlen accepted a...

PT-2026-97947

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the powerpc/xive component. When the xive init ipis function fails, such as during a failure in irq domain alloc irqs, the error path frees the global xi...

kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response

A flaw was found in the Linux kernel's Bluetooth Security Manager Protocol SMP. An attacker could exploit this vulnerability during the Bluetooth pairing process by manipulating authentication requirements. This could lead to the selection of a weaker pairing method than intended, potentially...

kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response

A flaw was found in the Linux kernel's Bluetooth Security Manager Protocol SMP. An attacker could exploit this vulnerability during the Bluetooth pairing process by manipulating authentication requirements. This could lead to the selection of a weaker pairing method than intended, potentially...

DEBIAN-CVE-2026-90164

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

EUVD-2026-81757

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

CVE-2026-90164: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb/server: abort initialization when proc setup fails ksmbdserverinit calls ksmbdprocinit before creating the remaining proc entries and server subsystems. ksmbdprocinit tears down partial state on a procfs or percpucounter...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP – deriving legacy responder STK authentication from the MITM state The legacy responder path in smprandom currently labels the stored STK as authenticated whenever pendingseclevel is set to BTSECURITYHIGH. This...

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: soc: fsl: qbman: Use raw spinlock for cgrlock The smpcallfunction always runs its callback in a hard IRQ context, even when running under PREEMPTRT, where spinlocks may be in a sleeping state. Therefore, we need to use a raw...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: MIPS: smp: fill in sibling and core maps earlier After enabling CONFIGSCHEDCORE landed during 5.14 cycle, 2-core 2-thread-per-core interAptiv CPS-driven started emitting the following: 0.025698 CPU1 revision is: 0001a120 MIPS...

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: ARM: Rockchip – Fix for kernel hangs during SMP initialization To address this issue, the trampoline code that writes data from the secondary CPUs to SRAM is executed when the secondary CPUs are powered on at least this is true f...

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

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge – Use DEVSTATSINC The syzbot/KCSAN reported a data race in the brhandleframefinish function 1. This function can be executed on multiple CPUs without mutual exclusion. It is recommended to use the SMP-safe DEVSTATSINC...

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: dma-buf: A memory barrier should be inserted before updating numfences. smpstoremb inserts a memory barrier after storing data. This differs from what the comment originally intended; a null pointer dereferencing can occur if the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: prevents corruption of pcp with SMP=n. The kernel test robot has reported the following issue: BUG: spinlock trylock failure on UP on CPU0, kcompactd0/28 Lock: 0xffff888807e35ef0, .magic: dead4ead, .owner:...

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

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qedf: Make qedfexecutetmf non-preemptible Stop calling smpprocessorid from preemptible code in qedfexecutetmf90. This results in BUGON when running an RT kernel. 659.343280 BUG: using smpprocessorid in preemptible 000000...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Fixed deadlock with the SPI chip variant When SMP is enabled and spinlocks are actually functional, there is a deadlock with the ‘statelock’ spinlock between ks8851startxmitspi and ks8851irq: Watchdog: BUG: Soft lock...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fixed a use-after-free bug in smpexecutetasksg When executing an SMP task fails, the smpexecutetasksg function calls deltimer to delete the “slowtask-timer” timer. However, if the timer handler sastaskinternaltimedo...