CVE-2023-1855

kernel: use-after-free bug in remove function xgene_hwmon_remove

Severity Score

6.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

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.

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, possibly leading to a kernel information leak.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Authentication

Single

Confidentiality

Complete

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-05 CVE Reserved
2023-04-05 CVE Published
2023-04-13 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-416: Use After Free

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html	Mailing List
https://lore.kernel.org/all/20230318122758.2140868-1-linux%40roeck-us.net

URL	Date	SRC

URL	Date	SRC
https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1	2023-11-07

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2023-1855	2024-01-30
https://bugzilla.redhat.com/show_bug.cgi?id=2184578	2024-01-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.3 Search vendor "Linux" for product "Linux Kernel" and version " < 6.3"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.9 < 4.14.311 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.9 < 4.14.311"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.15 < 4.19.279 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.279"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 4.20 < 5.4.238 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.238"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.5 < 5.10.176 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.176"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.11 < 5.15.104 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.104"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.16 < 6.1.21 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 6.1.21"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 6.2 < 6.2.8 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.2 < 6.2.8"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				6.3 Search vendor "Linux" for product "Linux Kernel" and version "6.3"		rc1		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				6.3 Search vendor "Linux" for product "Linux Kernel" and version "6.3"		rc2		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				6.3 Search vendor "Linux" for product "Linux Kernel" and version "6.3"		rc3		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected