The remote Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-9223 advisory.

    - bpf, x86: Validate computation of branch displacements for x86-64 (Piotr Krysiuk)  [Orabug: 32759961]     {CVE-2021-29154}
    - ext4: handle error of ext4_setup_system_zone() on remount (Jan Kara)  [Orabug: 32656590]     {CVE-2021-3428}
    - btrfs: fix race when cloning extent buffer during rewind of an old root (Filipe Manana)  [Orabug:
    32669453]  {CVE-2021-28964}
    - perf/x86/intel: Fix a crash caused by zero PEBS status (Kan Liang)  [Orabug: 32669472]  {CVE-2021-28971}
    - xen-blkback: don't leak persistent grants from xen_blkbk_map() (Jan Beulich)  [Orabug: 32697854]     {CVE-2021-28688}
    - bpf: Add sanity check for upper ptr_limit (Piotr Krysiuk)  [Orabug: 32656764]  {CVE-2020-27170}     {CVE-2020-27171}
    - bpf: Simplify alu_limit masking for pointer arithmetic (Piotr Krysiuk)  [Orabug: 32656764]     {CVE-2020-27170} {CVE-2020-27171}
    - bpf: Prohibit alu ops for pointer types not defining ptr_limit (Piotr Krysiuk)  [Orabug: 32656764]     {CVE-2020-27170} {CVE-2020-27171}
    - netfilter: x_tables: Use correct memory barriers. (Mark Tomlinson)  [Orabug: 32709123]  {CVE-2021-29650}

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 : Unbreakable Enterprise kernel-container (ELSA-2021-9223)

high Nessus Plugin ID 149420

Version 1.5

Version 1.4

Version 1.3

Version 1.5 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") Plugin metadata Plugin Feed: 202410232251
Version 1.4 Jan 16, 2024, 8:55 PM Plugin metadata Detection (updated detection logic) Plugin Feed: 202401162055
Version 1.3 Jan 16, 2024, 5:39 PM Detection (updated detection logic) Plugin metadata Plugin Feed: 202401161739