PT-2026-39119

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel's caif serial line discipline. The problem occurs in the TX path when tty write room is called, leading to a faulting access on...

CVE-2026-43458: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifserial's TX path calls ttywriteroom. The faulting access is on tty-link-port. Hold an...

Linux Distros Unpatched Vulnerability : CVE-2026-43458

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab- use-after-free in ptywriteroom when caifserial's TX path...

PT-2026-43966

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the caif connect function where a client is torn down after a remote shutdown by calling caif disconnect client and caif free client. The caif free client function...

EUVD-2026-18745

In the Linux kernel, the following vulnerability has been resolved: serial: core: fix infinite loop in handletx for PORTUNKNOWN uartwriteroom and uartwrite behave inconsistently when xmitbuf is NULL which happens for PORTUNKNOWN ports that were never properly initialized: - uartwriteroom returns...

The vulnerability of the cfusbl_device_notify() function in the net/caif/caif_usb.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the cfusbldevicenotify function in the net/caif/caifusb.c module, which is part of the Linux kernel’s networking functions, is related to errors during link counter updates. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, an...

The vulnerability of the cfctrl_linkup_request() function in the net/caif/cfctrl.c module, which is part of the networking functions of the Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the cfctrllinkuprequest function in the net/caif/cfctrl.c module, which is part of the networking functions of the Linux kernel, is related to improper memory release. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2026-43733

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the caif serial component of the Linux kernel. A race condition occurs between the ldisc close function and packet transmission. Specifically, ldisc clos...

ROS-20260120-7323

A vulnerability in the drivers/net/caif/caifvirtio.c file of the Linux operating system kernel is related to null pointer dereferencing. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000667)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000667 advisory. The caifseqpktrecvmsg function in net/caif/caifsocket.c in the Linux kernel before 3.9-rc7 does not initialize a certain length variable, which allows local users to...

caif: fix integer underflow in cffrml_receive()

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UBUNTU-CVE-2025-68799

In the Linux kernel, the following vulnerability has been resolved: caif: fix integer underflow in cffrmlreceive The cffrmlreceive function extracts a length field from the packet header and, when FCS is disabled, subtracts 2 from this length without validating that len = 2. If an attacker sends ...

CVE-2025-68799 caif: fix integer underflow in cffrml_receive()

In the Linux kernel, the following vulnerability has been resolved: caif: fix integer underflow in cffrmlreceive The cffrmlreceive function extracts a length field from the packet header and, when FCS is disabled, subtracts 2 from this length without validating that len = 2. If an attacker sends ...

CVE-2025-68799: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: caif: fix integer underflow in cffrmlreceive The cffrmlreceive function extracts a length field from the packet header and, when FCS is disabled, subtracts 2 from this length without validating that len = 2. If an attacker sends ...

Linux Distros Unpatched Vulnerability : CVE-2025-68799

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - caif: fix integer underflow in cffrmlreceive The cffrmlreceive function extracts a length field from the packet header and, when FCS is disabled, subtracts 2 fr...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992929)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992929 advisory. In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbldevicenotify syzbot reported use-after-free in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992672)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992672 advisory. In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbldevicenotify syzbot reported use-after-free in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-990754)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990754 advisory. In the Linux kernel, the following vulnerability has been resolved: net: caif: Fix use-after-free in cfusbldevicenotify syzbot reported use-after-free in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989468)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989468 advisory. In the Linux kernel, the following vulnerability has been resolved: net: fix uninit-value in caifseqpktsendmsg When nrsegs equal to zero in iovecfromuser, the object...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-387673)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-387673 advisory. In the Linux kernel, the following vulnerability has been resolved: caifvirtio: fix wrong pointer check in cfvprobe delvqs frees virtqueues, therefore cfv-vqtx point...