CVE-2026-90255

A flaw was found in the Linux kernel's Bluetooth subsystem. Specifically, a resource leak occurs in the handling of Synchronous Connection-Oriented SCO setup contexts. If a setup entry is cancelled, its associated context is not properly released, leading to a memory leak. This issue could also...

wpair-app

WPair Scanner di vulnerabilità e strumento di ricerca per CVE-2025-36911 ad es. WhisperPair Funzionalità • Installazione • Utilizzo • Come funziona • Vulnerabilità • Crediti Disclaimer Questa applicazione è un'implementazione indipendente creata da @ZalexDev a titolo personale. I ricercatori...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancels all operations upon calling hciunregisterdev. syzbot reports that calling hcireleasedev from hcierrorreset can cause a deadlock at destroyworkqueue. This occurs because hcierrorreset is called from...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: eir: Fixed possible crashes when using eircreateadvdata. eircreateadvdata may attempt to add EIRFLAGS and EIRTXPOWER without checking whether those values are compatible with the structure...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: RFCOMM: Fixed a possible deadlock in rfcommskstatechange. rfcommskstatechange attempts to use socklock, so it should never be called with it locked. However, rfcommsockioctl always attempts to lock it, causing the...

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

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: rfcomm: Fixed a nullptrderef issue in rfcommchecksecurity. During our fuzz testing of the connection and disconnection processes at the RFCOMM layer, we discovered this bug. By comparing the packets generated during a...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Verify the payload length of L2CAPINFORSP before performing the read operation. The l2capinformationrsp function checks that cmdlen covers the fixed l2capinforsp header type + result, 4 bytes. However, it the...

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

A issue was discovered in the driver/bluetooth/hcildisc.c file within the Linux kernel 6.2. In hciuartttyioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. The HCIUARTPROTOSET function is called before hu-proto is set. A NULL pointer dereferencing may occur...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: In hcievent, there is a callback for call disconnect that is called before the connection is deleted. In hcicsdisconnect, we call hciconndel even if the disconnection fails. ISO, L2CAP, and SCO connections refer to...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: In hcildisc,serdev, a failure in checking percpuinitrwsem. syzbot reports a NULL pointer dereferencing at hciuartttyclose. For rcusyncenter, rcusyncinit is called without calling hciuartttyopen, as hciuartttyopen...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed a slab-use-after-free read in mgmtremoveadvmonitorsync. This fixed the following crash: BUG: KASAN: Slab-use-after-free in mgmtremoveadvmonitorSync+0x3a/0xd0, net/bluetooth/mgmt.c:5543. A 8-byte read at...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: qca: fixed an issue where information was leaked when fetching the fw build id. Added missing sanity checks and moved the 255-byte build-id buffer off the stack to prevent the leakage of stack data through debugfs, ...

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

The “Use After Free” vulnerability in the Linux kernel allows for the execution of code in a local environment on Linux, x86, and ARM bluetooth modules. This vulnerability is associated with program files located at https://gitee.com/anolis/cloud-kernel/blob/devel-5.10/net/bluetooth/afbluetooth.C...

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

A issue was discovered in the Linux kernel through version 6.0.10. In the l2capconfigreq function within net/bluetooth/l2capcore.c, there is an integer wraparound occurring when processing L2CAPCONFREQ packets...

Astra Linux – Vulnerability in Linux

In the Linux kernel before version 5.12.4, the net/bluetooth/hcievent.c file contains a use-after-free issue when destroying an hcichan, specifically related to CID-5c4c8c954409. This issue results in the writing of an arbitrary value...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed null-ptr-deref in l2capsockresumecb. syzbot reported null-ptr-deref in l2capsockresumecb. 0 l2capsockresumecb has a similar issue that was fixed in commit 1bff51ea59a9 “Bluetooth: fixed use-after-free errors i...

Astra Linux – Vulnerability in Wireshark

A large loop exists in the Bluetooth DHT dissector in Wireshark versions 3.4.0 to 3.4.9, and 3.2.0 to 3.2.17, which allows for denial of service through packet injection or with crafted capture files...

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: Bluetooth: L2CAP: A missing check for the encryption key size was fixed in the L2CAPLEConnREQ. This addition ensures that the key size is checked upon receiving the L2CAPLEConnREQ, which is required by L2CAP/LE/CFC/BV-15-C. This...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fix for use-after-free when rescheduling the brcmfbtcoexinfo worker. The brcmfbtcoexdetach function only shuts down the btcoex timer if the timeron flag is set to false. However, the brcmfbtcoextimerfunc function...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed type confusion in l2capecredreconfrsp The function l2capecredreconfrsp casts the incoming data into the struct l2capecredconnrsp an ECRED connection response, 8 bytes long, with the result at offset 6,...