drivers/media/usb/dvb-usb/cxusb.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service (system crash) or possibly have unspecified other impact by leveraging use of more than one virtual page for a DMA scatterlist.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003272 advisory.

    drivers/media/usb/dvb-usb/cxusb.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts     incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service     (system crash) or possibly have unspecified other impact by leveraging use of more than one virtual page     for a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003314 advisory.

    drivers/media/usb/dvb-usb/cxusb.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts     incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service     (system crash) or possibly have unspecified other impact by leveraging use of more than one virtual page     for a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001163 advisory.

    drivers/media/usb/dvb-usb/cxusb.c in the Linux kernel 4.9.x and 4.10.x before 4.10.12 interacts     incorrectly with the CONFIG_VMAP_STACK option, which allows local users to cause a denial of service     (system crash) or possibly have unspecified other impact by leveraging use of more than one virtual page     for a DMA scatterlist.

Tenable has extracted the preceding description block directly from the Unity Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

It was discovered that the keyring implementation in the Linux kernel in some situations did not prevent special internal keyrings from being joined by userspace keyrings. A privileged local attacker could use this to bypass module verification. (CVE-2016-9604)

Daniel Jiang discovered that a race condition existed in the ipv4 ping socket implementation in the Linux kernel. A local privileged attacker could use this to cause a denial of service (system crash).
(CVE-2017-2671)

JongHwan Kim discovered an out-of-bounds read in the TCP stack of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or leak sensitive information. (CVE-2017-7277)

Eric Biggers discovered a memory leak in the keyring implementation in the Linux kernel. A local attacker could use this to cause a denial of service (memory consumption). (CVE-2017-7472)

Sabrina Dubroca discovered that the asynchronous cryptographic hash (ahash) implementation in the Linux kernel did not properly handle a full request queue. A local attacker could use this to cause a denial of service (infinite recursion). (CVE-2017-7618)

Tuomas Haanpaa and Ari Kauppi discovered that the NFSv2 and NFSv3 server implementations in the Linux kernel did not properly handle certain long RPC replies. A remote attacker could use this to cause a denial of service (system crash). (CVE-2017-7645)

Tommi Rantala and Brad Spengler discovered that the memory manager in the Linux kernel did not properly enforce the CONFIG_STRICT_DEVMEM protection mechanism. A local attacker with access to /dev/mem could use this to expose sensitive information or possibly execute arbitrary code. (CVE-2017-7889)

Tuomas Haanpaa and Ari Kauppi discovered that the NFSv2 and NFSv3 server implementations in the Linux kernel did not properly check for the end of buffer. A remote attacker could use this to craft requests that cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7895)

Fabian Grunbichler discovered that the Packet action API implementation in the Linux kernel improperly handled uninitialized data. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7979)

It was discovered that the Conexant USB driver in the Linux kernel improperly handled memory in some configurations. A local attacker could use this to cause a denial of service (system crash).
(CVE-2017-8063)

It was discovered that the DVD USB framework in the Linux kernel improperly handled memory in some configurations. A local attacker could use this to cause a denial of service (system crash).
(CVE-2017-8064)

It was discovered that the virtio console driver in the Linux kernel improperly handled memory. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-8067).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Type	Severity
287345	Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003272)	Nessus	Unity Linux Local Security Checks	Local	high
284907	Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003314)	Nessus	Unity Linux Local Security Checks	Local	high
283806	Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001163)	Nessus	Unity Linux Local Security Checks	Local	high
100668	Ubuntu 17.04 : linux, linux-raspi2 vulnerabilities (USN-3314-1)	Nessus	Ubuntu Local Security Checks	Local	critical

Detections

Analytics

CVE-2017-8063

high

Tenable Plugins

high

high

high

critical