Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: isdn: mISDN: netjet: Fixed a crash in njprobe: The ‘njsetup’ function in netjet.c might fail with -EIO. In this case, ‘card-irq’ is initialized and is greater than zero. A subsequent call to ‘njrelease’ will release the irq th...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: mISDN: fixed a possible use-after-free in HFCcleanup The remove path of this module calls deltimer. However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running aft...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: A possible memory leak in mISDNregisterdevice has been fixed. After committing 1fa5ae857bb1 "driver core: get rid of struct device’s busid string array", the name of the device is allocated dynamically. The putdevice...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053254)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053254 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsppipelinebuild dsppipelinebuild allocates dup pointer by kstrdupcfg,...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053210)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053210 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix a use after free in hfcmultitx Don't dereference sp after calling devkfreeskbsp. Tenab...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mISDN: a possible memory leak in mISDNdspelementregister has been fixed. After committing 1fa5ae857bb1 "driver core: get rid of struct device’s busid string array", the name of the device is allocated dynamically. Use putdevic...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-102124)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-102124 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: hfcpci: Fix warning when deleting uninitialized timer With CONFIGDEBUGOBJECTSTIMERS...

The vulnerability of the hfcsusb_probe() function in the drivers/isdn/hardware/mISDN/hfcsusb.c component of the Linux kernel allows a hacker to cause a service failure.

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...

OESA-2026-2582 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: mISDN: hfcpci: Fix warning when deleting uninitialized timer With CONFIGDEBUGOBJECTSTIMERS unloading hfcpci module leads to the following splat: 250.215892 ODEBU...

The vulnerability of the mISDN_register_device() function in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the mISDNregisterdevice function in the Linux operating system is related to the lack of memory release after the effective lifespan of the function has ended. Exploiting this vulnerability could allow a perpetrator to cause a service failure...

The vulnerability in the `drivers/isdn/hardware/mISDN/hfcpci.c` module related to mISDN hardware devices in the Linux operating system allows a hacker to cause a service failure.

The vulnerability in the drivers/isdn/hardware/mISDN/hfcpci.c module, related to mISDN hardware support in the Linux operating system, is associated with incorrect initialization of resources. Exploiting this vulnerability can allow an attacker to cause service failures...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2026-50134)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-50134 advisory. - xfrm: delete x-tunnel as we delete x Sabrina Dubroca Orabug: 39016501 CVE-2025-40215 - crypto: afalg - Fix incorrect boolean values in afalgctx...

SUSE 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...

AZL-77793 CVE-2026-23121 affecting package kernel for versions less than 6.6.126.1-1

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

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...

UBUNTU-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

Technical details for CVE-2026-23121 are not provided in the supplied documents. No affected products, root cause, or remediation are stated here. Monitor for updates from the vendor/security advisories.

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 20.1050e Security Update: kernel (UTSA-2026-004860)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004860 advisory. In the Linux kernel, the following vulnerability has been resolved: mISDN: fix misuse of putdevice in mISDNregisterdevice We should not release reference by putdevic...