Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: Fixed the sleeping function called from an invalid context. The driver can call the card-isac.release function from an atomic context. This issue was fixed by calling this function after releasing the lock. The...

Linux driver isdn mISDN timerdev timer overflow DoS

The vulnerability in the drivers/isdn/mISDN/timerdev.c component of the Linux operating system is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability can allow an attacker to cause service failures...

Linux kernel Heap Buffer Overflow DoS

The vulnerability of the hfcsusbprobe function in the drivers/isdn/hardware/mISDN/hfcsusb.c component of the Linux kernel is related to the failure to release resources after their useful lifespan has ended. Exploiting this vulnerability could allow an attacker to cause service failures...

USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: Annotated data-race around dev-work dev-work can be read without locking in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: Data race in mISDNioctl/mISDNread Writing 0xffff88812d848280 4 bytes b...

Ubuntu 24.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-8296-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8296-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-8180-4 linux-azure-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8188-1: Linux kernel (HWE) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Cryptographic API; - Drivers core; - Bluetooth drivers; - DMA engine...

USN-8186-1 linux-intel-iot-realtime, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8180-2: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007554)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007554 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsppipelinebuild dsppipelinebuild allocates dup pointer by kstrdupcfg,...

USN-8180-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

Linux Distros Unpatched Vulnerability : CVE-2026-23121

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race ...

CVE-2026-23121

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

CVE-2026-23121 mISDN: annotate data-race around dev->work

In the Linux kernel, the following vulnerability has been resolved: mISDN: annotate data-race around dev-work dev-work can re read locklessly in mISDNread and mISDNpoll. Add READONCE/WRITEONCE annotations. BUG: KCSAN: data-race in mISDNioctl / mISDNread write to 0xffff88812d848280 of 4 bytes by...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001905)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001905 advisory. The mISDNsockrecvmsg function in drivers/isdn/mISDN/socket.c in the Linux kernel before 3.12.4 does not ensure that a certain length value is consistent with the siz...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990785)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990785 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible memory leak in mISDNdspelementregister Afer commit 1fa5ae857bb1 driver core:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988718)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988718 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. Howeve...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987080)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987080 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: fix possible use-after-free in HFCcleanup This module's remove path calls deltimer. Howeve...