CVE-2026-23104 (GCVE-0-2026-23104)
Vulnerability from cvelistv5 – Published: 2026-02-04 16:08 – Updated: 2026-02-04 16:08
VLAI?
Title
ice: fix devlink reload call trace
Summary
In the Linux kernel, the following vulnerability has been resolved:
ice: fix devlink reload call trace
Commit 4da71a77fc3b ("ice: read internal temperature sensor") introduced
internal temperature sensor reading via HWMON. ice_hwmon_init() was added
to ice_init_feature() and ice_hwmon_exit() was added to ice_remove(). As a
result if devlink reload is used to reinit the device and then the driver
is removed, a call trace can occur.
BUG: unable to handle page fault for address: ffffffffc0fd4b5d
Call Trace:
string+0x48/0xe0
vsnprintf+0x1f9/0x650
sprintf+0x62/0x80
name_show+0x1f/0x30
dev_attr_show+0x19/0x60
The call trace repeats approximately every 10 minutes when system
monitoring tools (e.g., sadc) attempt to read the orphaned hwmon sysfs
attributes that reference freed module memory.
The sequence is:
1. Driver load, ice_hwmon_init() gets called from ice_init_feature()
2. Devlink reload down, flow does not call ice_remove()
3. Devlink reload up, ice_hwmon_init() gets called from
ice_init_feature() resulting in a second instance
4. Driver unload, ice_hwmon_exit() called from ice_remove() leaving the
first hwmon instance orphaned with dangling pointer
Fix this by moving ice_hwmon_exit() from ice_remove() to
ice_deinit_features() to ensure proper cleanup symmetry with
ice_hwmon_init().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
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"versions": [
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"status": "affected",
"version": "6.8"
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"version": "0",
"versionType": "semver"
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"status": "unaffected",
"version": "6.18.8",
"versionType": "semver"
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"versionType": "original_commit_for_fix"
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"vulnerable": true
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{
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nice: fix devlink reload call trace\n\nCommit 4da71a77fc3b (\"ice: read internal temperature sensor\") introduced\ninternal temperature sensor reading via HWMON. ice_hwmon_init() was added\nto ice_init_feature() and ice_hwmon_exit() was added to ice_remove(). As a\nresult if devlink reload is used to reinit the device and then the driver\nis removed, a call trace can occur.\n\nBUG: unable to handle page fault for address: ffffffffc0fd4b5d\nCall Trace:\n string+0x48/0xe0\n vsnprintf+0x1f9/0x650\n sprintf+0x62/0x80\n name_show+0x1f/0x30\n dev_attr_show+0x19/0x60\n\nThe call trace repeats approximately every 10 minutes when system\nmonitoring tools (e.g., sadc) attempt to read the orphaned hwmon sysfs\nattributes that reference freed module memory.\n\nThe sequence is:\n1. Driver load, ice_hwmon_init() gets called from ice_init_feature()\n2. Devlink reload down, flow does not call ice_remove()\n3. Devlink reload up, ice_hwmon_init() gets called from\n ice_init_feature() resulting in a second instance\n4. Driver unload, ice_hwmon_exit() called from ice_remove() leaving the\n first hwmon instance orphaned with dangling pointer\n\nFix this by moving ice_hwmon_exit() from ice_remove() to\nice_deinit_features() to ensure proper cleanup symmetry with\nice_hwmon_init()."
}
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"providerMetadata": {
"dateUpdated": "2026-02-04T16:08:25.604Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
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"references": [
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"url": "https://git.kernel.org/stable/c/87c1dacca197cc64e06fedeb269e3dd6699bae60"
},
{
"url": "https://git.kernel.org/stable/c/d3f867e7a04678640ebcbfb81893c59f4af48586"
}
],
"title": "ice: fix devlink reload call trace",
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2026-23104",
"datePublished": "2026-02-04T16:08:25.604Z",
"dateReserved": "2026-01-13T15:37:45.966Z",
"dateUpdated": "2026-02-04T16:08:25.604Z",
"state": "PUBLISHED"
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"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-23104\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-02-04T17:16:21.270\",\"lastModified\":\"2026-02-05T14:57:20.563\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nice: fix devlink reload call trace\\n\\nCommit 4da71a77fc3b (\\\"ice: read internal temperature sensor\\\") introduced\\ninternal temperature sensor reading via HWMON. ice_hwmon_init() was added\\nto ice_init_feature() and ice_hwmon_exit() was added to ice_remove(). As a\\nresult if devlink reload is used to reinit the device and then the driver\\nis removed, a call trace can occur.\\n\\nBUG: unable to handle page fault for address: ffffffffc0fd4b5d\\nCall Trace:\\n string+0x48/0xe0\\n vsnprintf+0x1f9/0x650\\n sprintf+0x62/0x80\\n name_show+0x1f/0x30\\n dev_attr_show+0x19/0x60\\n\\nThe call trace repeats approximately every 10 minutes when system\\nmonitoring tools (e.g., sadc) attempt to read the orphaned hwmon sysfs\\nattributes that reference freed module memory.\\n\\nThe sequence is:\\n1. Driver load, ice_hwmon_init() gets called from ice_init_feature()\\n2. Devlink reload down, flow does not call ice_remove()\\n3. Devlink reload up, ice_hwmon_init() gets called from\\n ice_init_feature() resulting in a second instance\\n4. Driver unload, ice_hwmon_exit() called from ice_remove() leaving the\\n first hwmon instance orphaned with dangling pointer\\n\\nFix this by moving ice_hwmon_exit() from ice_remove() to\\nice_deinit_features() to ensure proper cleanup symmetry with\\nice_hwmon_init().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/87c1dacca197cc64e06fedeb269e3dd6699bae60\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3f867e7a04678640ebcbfb81893c59f4af48586\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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