CVE-2023-1855

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.

Database specific

{
    "cna_assigner":  "redhat",
    "cwe_ids":  [
        "CWE-416"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/1xxx/CVE-2023-1855.json"
}

References

Affected packages

Git / github.com/torvalds/linux

Affected ranges

Type

GIT

Repo

https://github.com/torvalds/linux

Events

Introduced

e8d018dd0257f744ca50a729e3d042cf2ec9da65

Fixed

cb090e64cf25602b9adaf32d5dfc9c8bec493cd1

Database specific

Show details

{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "Linux kernel prior to Kernel 6.3 RC3"
                },
                {
                    "last_affected":  "Linux kernel prior to Kernel 6.3 RC3"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "fixed":  "cb090e64cf25602b9adaf32d5dfc9c8bec493cd1"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Linux kernel prior to Kernel 6.*

Linux kernel prior to Kernel 6.3 RC3

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-1855.json"

vanir_signatures

[
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "166014362620694241557105421773175412511",
            "length":  249
        },
        "id":  "CVE-2023-1855-55ab3492",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1",
        "target":  {
            "file":  "drivers/hwmon/xgene-hwmon.c",
            "function":  "xgene_hwmon_remove"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "245202064237693269007086473252041736362",
                "187441832118955941857719022149305084796",
                "14989694723734663423091649899109017427"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2023-1855-e48b34d4",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/torvalds/linux/commit/cb090e64cf25602b9adaf32d5dfc9c8bec493cd1",
        "target":  {
            "file":  "drivers/hwmon/xgene-hwmon.c"
        }
    }
]

vanir_signatures_modified

"2026-10-21T08:37:52Z"