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CVE-2023-1855

Good to know:

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Date: April 4, 2023

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.

Language: C

Severity Score

Related Resources (8)

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1
https://access.redhat.com/security/cve/CVE-2023-1855
https://lore.kernel.org/all/20230318122758.2140868-1-linux@roeck-us.net/
https://nvd.nist.gov/vuln/detail/CVE-2023-1855
https://lore.kernel.org/all/20230318122758.2140868-1-linux%40roeck-us.net/
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://www.mend.io/vulnerability-database/CVE-2023-1855

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

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