CVE-2023-1855

Name: CVE-2023-1855
Creator: NVD / NIST
Published: 2023-04-05T20:15:07.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-1855 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

A use-after-free flaw was found in xgene_hwmon_remove in drivers/hwmon/xgene-hwmon.c in the Hardware Monitoring Linux Kernel Driver (xgene-hwmon). This flaw could allow a local attacker to crash the system due to a race problem. This vulnerability could even lead to a kernel information leak problem.

Metrics

CVSS 3.1

6.3/10

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

EPSS Probability

0.24%

14.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	< 6.3	—
Linux	Linux Kernel	>= 4.9, < 4.14.311	—
Linux	Linux Kernel	>= 4.15, < 4.19.279	—
Linux	Linux Kernel	>= 4.20, < 5.4.238	—
Linux	Linux Kernel	>= 5.5, < 5.10.176	—
Linux	Linux Kernel	>= 5.11, < 5.15.104	—
Linux	Linux Kernel	>= 5.16, < 6.1.21	—
Linux	Linux Kernel	>= 6.2, < 6.2.8	—
Linux	Linux Kernel	6.3	Rc1
Debian	Debian Linux	10.0	—

References

https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1Patch
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing List, Third Party Advisory
https://lore.kernel.org/all/20230318122758.2140868-1-linux%40roeck-us.net/
https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1Patch
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlMailing List, Third Party Advisory
https://lore.kernel.org/all/20230318122758.2140868-1-linux%40roeck-us.net/

Timeline

Published: Apr 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1855?

How severe is CVE-2023-1855?

CVE-2023-1855 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1855?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-1855?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST