The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9006 advisory.

    - xen-blkback: set ring->xenblkd to NULL after kthread_stop() (Pawel Wieczorkiewicz)  [Orabug: 32260252]     {CVE-2020-29569}
    - xenbus/xenbus_backend: Disallow pending watch messages (SeongJae Park)  [Orabug: 32253409]     {CVE-2020-29568}
    - xen/xenbus: Count pending messages for each watch (SeongJae Park)  [Orabug: 32253409]  {CVE-2020-29568}
    - xen/xenbus/xen_bus_type: Support will_handle watch callback (SeongJae Park)  [Orabug: 32253409]     {CVE-2020-29568}
    - xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path() (SeongJae Park)  [Orabug:
    32253409]  {CVE-2020-29568}
    - xen/xenbus: Allow watches discard events before queueing (SeongJae Park)  [Orabug: 32253409]     {CVE-2020-29568}
    - target: fix XCOPY NAA identifier lookup (David Disseldorp)  [Orabug: 32248035]  {CVE-2020-28374}
    - futex: Fix inode life-time issue (Peter Zijlstra)  [Orabug: 32233515]  {CVE-2020-14381}
    - perf/core: Fix race in the perf_mmap_close() function (Jiri Olsa)  [Orabug: 32233352]  {CVE-2020-14351}
    - icmp: randomize the global rate limiter (Eric Dumazet)  [Orabug: 32227958]  {CVE-2020-25705}

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

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

Detections

Analytics

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2021-9006)

high Nessus Plugin ID 144907

Version 1.7

Version 1.6

Version 1.5

Version 1.7 Oct 23, 2024, 10:51 PM CVSS metrics ("Cvssv4 score" set to 0.0) CVSSv2 severity (based on None, severity decreased from "High" to "Low") Detection (updated detection logic) Plugin metadata Plugin Feed: 202410232251
Version 1.6 Jan 30, 2024, 3:19 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C". "CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True". "Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202401301519
Version 1.5 Dec 7, 2022, 4:47 PM Reference Plugin Feed: 202212071647