7.1
HIGH
CVE-2023-1838
Virtio Linux Kernel Double Free Use-After-Free
Description

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

INFO

Published Date :

April 5, 2023, 7:15 p.m.

Last Modified :

Feb. 15, 2024, 3:56 p.m.

Remotely Exploitable :

No

Impact Score :

5.2

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2023-1838 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Netapp h300s
2 Netapp h410s
3 Netapp h500s
4 Netapp h700s
5 Netapp h410c
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-1838.

URL Resource
https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/ Third Party Advisory
https://security.netapp.com/advisory/ntap-20230517-0003/ Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-1838 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-1838 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Feb. 15, 2024

    Action Type Old Value New Value
    Changed Reference Type https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/ No Types Assigned https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/ Third Party Advisory
    Changed Reference Type https://security.netapp.com/advisory/ntap-20230517-0003/ No Types Assigned https://security.netapp.com/advisory/ntap-20230517-0003/ Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18_25 OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.13 up to (excluding) 4.14.317 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.245 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.196 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.118 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.17.10
    Added CPE Configuration OR *cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* *cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference Red Hat, Inc. https://lore.kernel.org/netdev/20220516084213.26854-1-jasowang%40redhat.com/T/ [No types assigned]
    Removed Reference Red Hat, Inc. https://lore.kernel.org/netdev/[email protected]/T/
  • CVE Modified by [email protected]

    May. 17, 2023

    Action Type Old Value New Value
    Added Reference https://security.netapp.com/advisory/ntap-20230517-0003/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Apr. 12, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
    Changed Reference Type https://lore.kernel.org/netdev/[email protected]/T/ No Types Assigned https://lore.kernel.org/netdev/[email protected]/T/ Mailing List, Patch
    Added CWE NIST CWE-416
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18_25
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-1838 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-1838 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} -0.01%

score

0.05669

percentile

CVSS31 - Vulnerability Scoring System
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