The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8630-1 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 the following subsystems:

    - x86 architecture;

    - InfiniBand drivers;

    - Network drivers;

    - Mellanox network drivers;

    - File systems infrastructure;

    - IPv4 networking;

    - Network traffic control;

    - TCP network protocol;

    - B.A.T.M.A.N. meshing protocol;

    - IPv6 networking;

    - Multipath TCP;

    - Netfilter;

    - RxRPC session sockets;

    - SCTP protocol;

    - SMC sockets; (CVE-2026-43083, CVE-2026-43197, CVE-2026-43198, CVE-2026-43465, CVE-2026-46242,     CVE-2026-46325, CVE-2026-46331, CVE-2026-52914, CVE-2026-52924, CVE-2026-52931, CVE-2026-53151,     CVE-2026-53176, CVE-2026-53212, CVE-2026-53215, CVE-2026-53225, CVE-2026-53228, CVE-2026-53359)

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

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

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8629-1 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 the following subsystems:

    - x86 architecture;

    - InfiniBand drivers;

    - Network drivers;

    - Network traffic control;

    - IPv4 networking;

    - IPv6 networking;

    - Netfilter;

    - RxRPC session sockets;

    - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151, CVE-2026-53175,     CVE-2026-53176, CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221,     CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260,     CVE-2026-53359)

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

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

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8660-1 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 the following subsystems:

    - x86 architecture;

    - InfiniBand drivers;

    - Network drivers;

    - Network traffic control;

    - IPv4 networking;

    - IPv6 networking;

    - Netfilter;

    - Open vSwitch;

    - RxRPC session sockets;

    - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53151, CVE-2026-53175,     CVE-2026-53176, CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221,     CVE-2026-53224, CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260,     CVE-2026-53359, CVE-2026-64531)

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

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

The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8637-1 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 the following subsystems:

    - x86 architecture;

    - InfiniBand drivers;

    - Network drivers;

    - Thunderbolt and USB4 drivers;

    - Network traffic control;

    - IPv4 networking;

    - IPv6 networking;

    - Netfilter;

    - RxRPC session sockets;

    - SCTP protocol; (CVE-2026-46331, CVE-2026-52924, CVE-2026-53131, CVE-2026-53146, CVE-2026-53147,     CVE-2026-53148, CVE-2026-53149, CVE-2026-53150, CVE-2026-53151, CVE-2026-53175, CVE-2026-53176,     CVE-2026-53186, CVE-2026-53212, CVE-2026-53215, CVE-2026-53216, CVE-2026-53221, CVE-2026-53224,     CVE-2026-53225, CVE-2026-53228, CVE-2026-53246, CVE-2026-53247, CVE-2026-53260, CVE-2026-53359)

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

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - rxrpc: Fix the ACK parser to extract the SACK table for parsing Fix modification of the received skbuff in     rxrpc_input_soft_acks() and a potential incorrect access of the buffer in a fragmented UDP packet (the     packet would probably have to be deliberately pre-generated as fragmented) when AF_RXRPC tries to extract     the contents of the SACK table by copying out the contents of the SACK table into a buffer before     attempting to parse AF_RXRPC assumes that it can just call skb_condense() and then validly access the SACK     table from skb->data and that it will be a flat buffer - but skb_condense() can silently fail to do     anything under some circumstances. Note that whilst rxrpc_input_soft_acks() should be able to parse     extended ACKs, the rest of AF_RXRPC doesn't currently support that. Further, there's then no need to call     skb_condense() in rxrpc_input_ack(), so don't. (CVE-2026-53151)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
340681	Ubuntu 24.04 LTS / 26.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	10/14/2026	high
365401	Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-8630-1)	Nessus	Ubuntu Local Security Checks	10/13/2026	10/14/2026	critical
365409	Ubuntu 26.04 LTS : Linux kernel vulnerabilities (USN-8629-1)	Nessus	Ubuntu Local Security Checks	10/13/2026	10/14/2026	critical
340044	Ubuntu 26.04 LTS : Linux kernel vulnerabilities (USN-8660-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	9/23/2026	critical
343532	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8728-1)	Nessus	Ubuntu Local Security Checks	9/7/2026	9/24/2026	high
365435	Ubuntu 26.04 LTS : Linux kernel (OEM) vulnerabilities (USN-8637-1)	Nessus	Ubuntu Local Security Checks	10/13/2026	10/14/2026	high
323577	Linux Distros Unpatched Vulnerability : CVE-2026-53151	Nessus	Misc.	6/28/2026	10/23/2026	critical
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	9/23/2026	high

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