kernel: Fix of 9 CVEs

rtmutex: Use waiter::task instead of current in removewaiter CVE-2026-43499 - xfs: fix freemap adjustments when adding xattrs to leaf blocks CVE-2026-43158 - xfs: delete attr leaf freemap entries when empty CVE-2026-43158 - ALSA: 6fire: fix use-after-free on disconnect CVE-2026-31581 - brcmfmac:...

PT-2026-116814

In the Linux kernel, the following vulnerability has been resolved: udp: remove a disconnected socket from the 4-tuple hash table A UDP socket bound to a specific address and port keeps its entry in the 4-tuple hash table after it is disconnected: sk binds to 127.0.0.1:21001 sk connects to...

SUSE CVE-2026-43161

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Skip dev-iotlb flush for inaccessible PCIe device without scalable mode PCIe endpoints with ATS enabled and passed through to userspace e.g., QEMU, DPDK can hard-lock the host when their link drops, either by surprise...

docker-POC_CVE-2024-1086

https://github.com/Notselwyn/CVE-2024-1086 usage docker compose up -d --build docker exec -it poccve20241086 bash test sample tester@e23a4e5757d9 CVE-2024-1086$ id uid=99999tester gid=99999tester groups=99999tester tester@e23a4e5757d9 CVE-2024-1086$ cat /etc/shadow cat: /etc/shadow: Permission...

Astra Linux – Vulnerability in bluez

In BlueZ before version 5.55, a double-free error was detected in the gatttool disconnectcb routine from the shared/att.c file. A remote attacker could potentially cause a denial of service or code execution during service discovery, due to the redundant disconnect MGMT event...

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: USB: iowarrior: fix use-after-free on disconnect The submitted write URBs are not stopped when the function close is called. Therefore, they need to be stopped unconditionally when the function disconnect is called, to avoid...

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

In the Linux kernel, the following vulnerability has been resolved: media: usbtv: Removed unnecessary locks from usbtvvideofree. The lock-related code in usbtvvideofree is now removed because it is unnecessary and may lead to a deadlock, as reported here:...

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: ALSA: us122l: Use sndcardfreewhenclosed instead of sndcardfreewhenclosed. The USB disconnect callback should be short and not too long. Alternatively, the current code uses sndcardfree at the time of disconnection, but this waits...

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: Most: USB – Fix for use-after-free in hdmdisconnect The hdmdisconnect function calls mostderegisterinterface, which ultimately unregisters the MOST interface device using deviceunregisteriface-dev. If this action drops the last...

CVE-2026-89202

A vulnerability has been identified in RUGGEDCOM CROSSBOW All versions V6.0. Affected devices do not properly perform authorization checks for device disconnection requests. This could allow an authenticated attacker with minimal privileges to disconnect active sessions of other users, including...

PT-2026-111399

Name of the Vulnerable Software and Affected Versions RUGGEDCOM CROSSBOW versions prior to V6.0 Description Insufficient authorization checks for device disconnection requests allow an authenticated attacker with minimal privileges to terminate active sessions of other users, including...

CVE-2026-109254 FreeRDP 2.1.0 before 3.32.0 Use-After-Free via rdpsnd Disconnect Path

FreeRDP 2.1.0 before 3.32.0 contains a use-after-free vulnerability in the static rdpsnd channel disconnect path, which frees audio formats and device without joining playthread. A malicious RDP server can disconnect while asynchronous Wave2 playback processes queued PDUs, causing the client to...

AZL-106470 CVE-2026-98316 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix race between rawmidi and disconnect Although we tried to fix the potential UAF issues at USB disconnect on bcd2000 driver, there is still an overlooked case -- namely, when a rawmidi trigger callback has been...

CVE-2026-98316

In the Linux kernel, the following vulnerability has been resolved: ALSA: bcd2000: Fix race between rawmidi and disconnect Although we tried to fix the potential UAF issues at USB disconnect on bcd2000 driver, there is still an overlooked case -- namely, when a rawmidi trigger callback has been...

PT-2026-106645

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.10-1.1 Description A race condition exists in the bcd2000 driver within the ALSA Advanced Linux Sound Architecture subsystem. This occurs during USB disconnect when a rawmidi trigger callback is already...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fixed the WARN message in netifnapidellocked when a USB device is disconnected. The redundant call to netifnapidel was removed from the disconnect path. A WARN message may be triggered in netifnapidellocked...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: TCP: cdg: allows tcpcdgrelease to be called multiple times. It seems that MPTCP can call tcpdisconnect on a flow that is already disconnected. This is generally fine, unless the current congestion control mechanism is CDG, as ...

Astra Linux – Vulnerability in Linux 5.15

A flaw was discovered in the ksmbd component of the Linux kernel, a high-performance in-kernel SMB server. The specific flaw exists in the processing of SMB2TREEDISCONNECT commands. The issue arises due to the lack of proper locking when performing operations on an object. An attacker can exploit...

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

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fixed race between aiocancel and AIO request complete FFS-based applications can utilize the aiocancel callback to dequeue pending USB requests submitted to the UDC. There is a scenario where the FFS application...

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

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a use-after-free in l2capdisconnectreq,rsp. Similar to the issue reported in commit d0be8347c623 "Bluetooth: L2CAP: Fix use-after-free caused by l2capchanput", use l2capchanholdunlesszero to prevent...