CVE-2023-2019 — Improper Update of Reference Count in Kernel

CWE-911 — Improper Update of Reference CountCWE-269 — Improper Privilege ManagementCWE-131 — Incorrect Calculation of Buffer SizeCWE-1284 — Improper Validation of Specified Quantity in InputCWE-400 — Uncontrolled Resource ConsumptionCWE-1333 — Regex Denial of Service38 documents15 sources
Severity
4.4MEDIUMNVD
GHSA7.5OSV9.8CISA7.8
EPSS
0.0%
top 95.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelDjangoproject DjangoRedhat Enterprise Linux
Timeline
PublishedApr 24
Latest updateMar 14

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.8 | Impact: 3.6

Affected Packages3 packages

▶Debianlinux/linux_kernel< 5.19.6-1+2
▶PyPIdjangoproject/django3.2a1 — 3.2.22+2

Also affects: Enterprise Linux 9.0

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

5
OSV
texlive-bin vulnerabilities↗2024-03-14
▶
GHSA
Django Denial-of-service in django.utils.text.Truncator↗2023-11-03
▶
CVEList
CVE-2023-2019: A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events↗2023-04-24
▶
OSV
CVE-2023-2019: A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events↗2023-04-24
▶
GHSA
GHSA-9vmw-8f7f-qhch: A flaw was found in the Linux kernel's netdevsim device driver, within the scheduling of events↗2023-04-24
▶

📋Vendor Advisories

6
Red Hat
python-django: Denial-of-service possibility in django.utils.text.Truncator↗2023-10-04
▶
Oracle
Oracle Oracle Health Sciences Applications Risk Matrix: Core (Telerik UI for ASP.NET AJAX) — CVE-2019-18935↗2023-04-15
▶
Red Hat
kernel: netdevsim: fib: reference count leak on route deletion failure↗2023-04-13
▶
Microsoft
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 crea↗2023-04-11
▶
CISA
Microsoft Windows Certificate Dialog Privilege Escalation Vulnerability↗2023-04-07
▶

🕵️Threat Intelligence

3
Crowdstrike
CrowdStrike Named a Leader with “Exceptional” MDR Service: 2023 Forrester Wave for MDR↗
▶
Crowdstrike
November Patch Tuesday 2023: Updates and Analysis↗
▶
Crowdstrike
January 2023 Patch Tuesday: Updates and Analysis↗
▶

💬Community

1
Bugzilla
CVE-2023-2019 kernel: netdevsim: fib: reference count leak on route deletion failure↗2023-04-24
▶
CVE-2023-2019 — Improper Update of Reference Count | cvebase