CVE & CISA-KEV Catalog

CVE-2022-49858

MEDIUM
5.5
CVSS v3
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix SQE threshold checking Current way of checking available SQE count which is based on HW updated SQB count could result in driver submitting an SQE even before CQE for the previously transmitted SQE at the same index is processed in NAPI resulting losing SKB pointers, hence a leak. Fix this by checking a consumer index which is updated once CQE is processed.

How to fix

Remediation Available
linuxDebian
Fixed in:6.0.10-1CVE-2022-49858
Fixed in:6.0.10-1CVE-2022-49858
Fixed in:6.0.10-1CVE-2022-49858

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.14%probability of exploitation in 30 days
4thpercentile

Low risk: more likely to be exploited than 4% of all known CVEs.

References

Embed a live status badge for CVE-2022-49858
CVE-2022-49858 severity badge

Markdown

[![CVE-2022-49858](https://tridentstack.com/cve/badge/CVE-2022-49858.svg)](https://tridentstack.com/cve/CVE-2022-49858)

HTML

<a href="https://tridentstack.com/cve/CVE-2022-49858"><img src="https://tridentstack.com/cve/badge/CVE-2022-49858.svg" alt="CVE-2022-49858"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-10.