The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-9085 advisory.

    - xen-blkback: fix error handling in xen_blkbk_map() (Jan Beulich)  [Orabug: 32492109]  {CVE-2021-26930}
    - xen-scsiback: dont 'handle' error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
    - xen-netback: dont 'handle' error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
    - xen-blkback: dont 'handle' error by BUG() (Jan Beulich)  [Orabug: 32492101]  {CVE-2021-26931}
    - Xen/gntdev: correct error checking in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]     {CVE-2021-26932}
    - Xen/gntdev: correct dev_bus_addr handling in gntdev_map_grant_pages() (Jan Beulich)  [Orabug: 32492093]     {CVE-2021-26932}
    - Xen/x86: also check kernel mapping in set_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]     {CVE-2021-26932}
    - Xen/x86: dont bail early from clear_foreign_p2m_mapping() (Jan Beulich)  [Orabug: 32492093]     {CVE-2021-26932}
    - HID: hid-input: fix stylus battery reporting (Dmitry Torokhov)  [Orabug: 32464784]  {CVE-2020-0431}
    - nbd: freeze the queue while were adding connections (Josef Bacik)  [Orabug: 32447285]  {CVE-2021-3348}
    - futex: Handle faults correctly for PI futexes (Thomas Gleixner)  [Orabug: 32447187]  {CVE-2021-3347}
    - futex: Simplify fixup_pi_state_owner() (Thomas Gleixner)  [Orabug: 32447187]  {CVE-2021-3347}
    - futex: Use pi_state_update_owner() in put_pi_state() (Thomas Gleixner)  [Orabug: 32447187]     {CVE-2021-3347}
    - rtmutex: Remove unused argument from rt_mutex_proxy_unlock() (Thomas Gleixner)  [Orabug: 32447187]     {CVE-2021-3347}
    - futex: Dont enable IRQs unconditionally in put_pi_state() (Dan Carpenter)  [Orabug: 32447187]     {CVE-2021-3347}
    - futex: Provide and use pi_state_update_owner() (Thomas Gleixner)  [Orabug: 32447187]  {CVE-2021-3347}
    - futex: Replace pointless printk in fixup_owner() (Thomas Gleixner)  [Orabug: 32447187]  {CVE-2021-3347}
    - futex: Ensure the correct return value from futex_lock_pi() (Thomas Gleixner)  [Orabug: 32447187]     {CVE-2021-3347}
    - ovl: check permission to open real file (Miklos Szeredi)  [Orabug: 32046372]  {CVE-2020-16120}
    - ovl: verify permissions in ovl_path_open() (Miklos Szeredi)  [Orabug: 32046372]  {CVE-2020-16120}
    - ovl: switch to mounter creds in readdir (Miklos Szeredi)  [Orabug: 32046372]  {CVE-2020-16120}

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-2021-9085)

high Nessus Plugin ID 147204

Version 1.6

Version 1.5

Version 1.4

Version 1.6 Oct 23, 2024, 3:11 AM 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: 202410230311
Version 1.5 Jan 16, 2024, 3:43 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: 202401161543
Version 1.4 Jan 16, 2024, 1:47 PM CVSS temporal metrics ("CVSSv2 temporal vector" set to "CVSS2#E:POC/RL:OF/RC:C") CVSS temporal metrics ("CVSSv3 temporal vector" set to "CVSS:3.0/E:P/RL:O/RC:C") Exploit attributes ("Exploit available" set to "True") Exploit attributes ("Exploitability ease" changed from "No known exploits are available" to "Exploits are available") Plugin Feed: 202401161347