Home/CVE/A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events. This issue results from
CVE

CVE-2023-2019

A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events. This issue results from

A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events. This issue results from the improper management of a reference count. This may allow an attacker to create a denial of service condition on the system.

MEDIUM · CVSS 4.4 EPSS 0.00126
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-911Improper Update of Reference Count
▤

Affected Products & Versions

2
linux kernel< 6.0
redhat enterprise linuxall versions
▣

Scoring & Timeline

4.4
MEDIUM · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Apr 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2023:2231-1
suse-csafSUSE-SU-2023:2140-1
suse-csafSUSE-SU-2023:2141-1
msrcCVE-2023-2019
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=2189137Issue TrackingPatchThird Party Advisory
https://github.com/torvalds/linux/commit/180a6a3ee60aPatch
https://www.zerodayinitiative.com/advisories/ZDI-CAN-17811/Third Party AdvisoryVDB Entry
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