CVE-2023-1670: Use After Free

Published Mar 30, 2023
·
Updated

A flaw use after free in the Linux kernel Xircom 16-bit PCMCIA (PC-card) Ethernet driver was found.A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Affected Software

8 affected componentsFixes available
Linux Linux kernel>=2.6.18<4.14.312
Linux Linux kernel>=4.15<4.19.280
Linux Linux kernel>=4.20<5.4.240
Linux Linux kernel>=5.5<5.10.177
Linux Linux kernel>=5.11<5.15.105
Linux Linux kernel>=5.16<6.1.22
Linux Linux kernel>=6.2<6.2.9
debian/linux
5.10.223-15.10.237-16.1.137-16.1.135-16.12.27-16.12.29-1

Event History

Mar 30, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:15 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·02:11 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-1670?

CVE-2023-1670 is considered a high severity vulnerability due to its potential to crash systems and escalate user privileges.

2

How do I fix CVE-2023-1670?

To fix CVE-2023-1670, update the Linux kernel to a version that includes the security patch, such as 5.10.223-1 or newer.

3

Which versions of Linux Kernel are affected by CVE-2023-1670?

CVE-2023-1670 affects specific versions of the Linux kernel between 2.6.18 to 6.2.9.

4

Can CVE-2023-1670 be exploited remotely?

CVE-2023-1670 is a local privilege escalation vulnerability and cannot be exploited remotely.

5

What is the potential impact of exploiting CVE-2023-1670?

Exploiting CVE-2023-1670 may allow a local user to crash the system or gain elevated privileges, leading to a system compromise.

Contact

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