Detections
Analytics

Oracle Linux 7 : kernel (ELSA-2022-7337)

high Nessus Plugin ID 166937

Language:

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-7337 advisory.

 - debug: lock down kgdb [Orabug: 34270798] {CVE-2022-21499}
 - x86/speculation: Add LFENCE to RSB fill sequence (Rafael Aquini) [2115073] {CVE-2022-26373}
 - x86/speculation: Protect against userspace-userspace spectreRSB (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/speculation: cope with spectre_v2=retpoline cmdline on retbleed-affected Intel CPUs (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - KVM: emulate: do not adjust size of fastop and setcc subroutines (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/kvm: fix FASTOP_SIZE when return thunks are enabled (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/speculation: Disable RRSBA behavior (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/kexec: Disable RET on kexec (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Do not enable IBPB-on-entry when IBPB is not supported (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Add Cannon lake to RETBleed affected CPU list (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpu/amd: Enumerate BTC_NO (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/common: Stamp out the stepping madness (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpu/amd: Add Spectral Chicken (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Do IBPB fallback check only once (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Add retbleed=ibpb (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Report Intel retbleed vulnerability (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Enable STIBP for JMP2RET (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Add AMD retbleed= boot parameter (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/bugs: Report AMD retbleed vulnerability (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86: Add magic AMD return-thunk (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86: Use return-thunk in asm code (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/sev: Avoid using __x86_return_thunk (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/vsyscall_emu/64: Don't use RET in vsyscall emulation (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/kvm: Fix SETcc emulation for return thunks (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86,objtool: Create .return_sites (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86: Undo return-thunk damage (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/retpoline: Use -mfunction-return (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpufeatures: Move RETPOLINE flags to word 11 (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - objtool: Add ELF writing capability (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86: Prepare asm files for straight-line-speculation (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86: Prepare inline-asm for straight-line-speculation (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/kvm: Fix fastop function ELF metadata (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/kvm: Move kvm_fastop_exception to .fixup section (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/vdso: Fix vDSO build if a retpoline is emitted (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpufeatures: Combine word 11 and 12 into a new scattered features word (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpufeatures: Carve out CQM features retrieval (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpufeatures: Re-tabulate the X86_FEATURE definitions (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpufeature: Move processor tracing out of scattered features (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/cpu: Probe CPUID leaf 6 even when cpuid_level == 6 (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - x86/alternatives: Cleanup DPRINTK macro (Rafael Aquini) [2090227] {CVE-2022-23816 CVE-2022-23825 CVE-2022-29900 CVE-2022-29901}
 - net_sched: cls_route: remove from list when handle is 0 (Davide Caratti) [2121809] {CVE-2022-2588}

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.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2022-7337.html

Plugin Details

Severity: High

ID: 166937

File Name: oraclelinux_ELSA-2022-7337.nasl

Version: 1.10

Type: local

Agent: unix

Published: 11/3/2022

Updated: 10/23/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.8

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2022-29900

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS Score Source: CVE-2022-2588

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/3/2022

Vulnerability Publication Date: 7/12/2022

Exploitable With

Core Impact

Reference Information

CVE: CVE-2022-23816, CVE-2022-23825, CVE-2022-2588, CVE-2022-26373, CVE-2022-29900, CVE-2022-29901