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

  - ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu() l3mdev_master_dev_rcu() can return NULL when the     slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to     loopback in ip6_rt_pcpu_alloc() -> ip6_rt_get_dev_rcu() with commit 4832c30d5458 (net: ipv6: put host and     anycast routes on device with address). KASAN: null-ptr-deref in range     [0x0000000000000108-0x000000000000010f] RIP: 0010:ip6_rt_pcpu_alloc (net/ipv6/route.c:1418) Call Trace:
    ip6_pol_route (net/ipv6/route.c:2318) fib6_rule_lookup (net/ipv6/fib6_rules.c:115) ip6_route_output_flags     (net/ipv6/route.c:2607) vrf_process_v6_outbound (drivers/net/vrf.c:437) I was tempted to rework the un-     slaving code to clear the flag first and insert synchronize_rcu() before we remove the upper. But looks     like the explicit fallback to loopback_dev is an established pattern. And I guess avoiding the     synchronize_rcu() is nice, too. (CVE-2026-23304)

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

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Linux Distros Unpatched Vulnerability : CVE-2026-23304

medium Nessus Plugin ID 303644

Version 1.14

Version 1.13

Version 1.12

Version 1.11

Version 1.10

Version 1.9

Version 1.8

Version 1.7

Version 1.5

Version 1.4

Version 1.3

Version 1.2

Version 1.1

Version 1.14 Jul 7, 2026, 11:10 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607071110
Version 1.13 Jul 6, 2026, 4:58 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607060458
Version 1.12 Jul 2, 2026, 3:38 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202607021538
Version 1.11 Jun 30, 2026, 11:58 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202606301158
Version 1.10 Jun 28, 2026, 2:21 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202606281421
Version 1.9 May 30, 2026, 12:49 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605301249
Version 1.8 May 29, 2026, 5:27 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605291727
Version 1.7 May 25, 2026, 10:30 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605252230
Version 1.5 May 20, 2026, 10:33 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605202233
Version 1.4 May 3, 2026, 4:59 AM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605030459
Version 1.3 May 2, 2026, 11:12 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202605022312
Version 1.2 Mar 28, 2026, 12:01 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202603281201
Version 1.1 Mar 26, 2026, 1:29 AM New Plugin Feed: 202603260129