CVE-2023-54079 (GCVE-0-2023-54079)
Vulnerability from cvelistv5
Published
2025-12-24 13:06
Modified
2025-12-24 13:06
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
power: supply: bq27xxx: Fix poll_interval handling and races on remove
Before this patch bq27xxx_battery_teardown() was setting poll_interval = 0
to avoid bq27xxx_battery_update() requeuing the delayed_work item.
There are 2 problems with this:
1. If the driver is unbound through sysfs, rather then the module being
rmmod-ed, this changes poll_interval unexpectedly
2. This is racy, after it being set poll_interval could be changed
before bq27xxx_battery_update() checks it through
/sys/module/bq27xxx_battery/parameters/poll_interval
Fix this by added a removed attribute to struct bq27xxx_device_info and
using that instead of setting poll_interval to 0.
There also is another poll_interval related race on remove(), writing
/sys/module/bq27xxx_battery/parameters/poll_interval will requeue
the delayed_work item for all devices on the bq27xxx_battery_devices
list and the device being removed was only removed from that list
after cancelling the delayed_work item.
Fix this by moving the removal from the bq27xxx_battery_devices list
to before cancelling the delayed_work item.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db Version: 8cfaaa811894a3ae2d7360a15a6cfccff3ebc7db |
||
{
"containers": {
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"product": "Linux",
"programFiles": [
"drivers/power/supply/bq27xxx_battery.c",
"include/linux/power/bq27xxx_battery.h"
],
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],
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"vendor": "Linux",
"versions": [
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},
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"version": "0",
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},
{
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"version": "4.14.316",
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},
{
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"status": "unaffected",
"version": "4.19.284",
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},
{
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"version": "5.4.244",
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},
{
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"status": "unaffected",
"version": "5.10.181",
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{
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"version": "5.15.114",
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},
{
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},
{
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"version": "6.3.5",
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},
{
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"status": "unaffected",
"version": "6.4",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
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"nodes": [
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\npower: supply: bq27xxx: Fix poll_interval handling and races on remove\n\nBefore this patch bq27xxx_battery_teardown() was setting poll_interval = 0\nto avoid bq27xxx_battery_update() requeuing the delayed_work item.\n\nThere are 2 problems with this:\n\n1. If the driver is unbound through sysfs, rather then the module being\n rmmod-ed, this changes poll_interval unexpectedly\n\n2. This is racy, after it being set poll_interval could be changed\n before bq27xxx_battery_update() checks it through\n /sys/module/bq27xxx_battery/parameters/poll_interval\n\nFix this by added a removed attribute to struct bq27xxx_device_info and\nusing that instead of setting poll_interval to 0.\n\nThere also is another poll_interval related race on remove(), writing\n/sys/module/bq27xxx_battery/parameters/poll_interval will requeue\nthe delayed_work item for all devices on the bq27xxx_battery_devices\nlist and the device being removed was only removed from that list\nafter cancelling the delayed_work item.\n\nFix this by moving the removal from the bq27xxx_battery_devices list\nto before cancelling the delayed_work item."
}
],
"providerMetadata": {
"dateUpdated": "2025-12-24T13:06:11.956Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/4c9615474fb0a41cfad658d78db3c9ec70912969"
},
{
"url": "https://git.kernel.org/stable/c/465d919151a1e8d40daf366b868914f59d073211"
},
{
"url": "https://git.kernel.org/stable/c/0c5f4cec759679c290720fbcf6bb81768e21c95b"
},
{
"url": "https://git.kernel.org/stable/c/e85757da9091998276ff21a13915ac25229cc232"
},
{
"url": "https://git.kernel.org/stable/c/e98e5bebfcafc75a7b41192a607dfea5c1268afa"
},
{
"url": "https://git.kernel.org/stable/c/d952a1eaafcc5f0351caad5dbe9b5b3300d1d529"
},
{
"url": "https://git.kernel.org/stable/c/b12faeca0e819ea09051a705fef9df7ea7e9e18c"
},
{
"url": "https://git.kernel.org/stable/c/c00bc80462afc7963f449d7f21d896d2f629cacc"
}
],
"title": "power: supply: bq27xxx: Fix poll_interval handling and races on remove",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
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"assignerShortName": "Linux",
"cveId": "CVE-2023-54079",
"datePublished": "2025-12-24T13:06:11.956Z",
"dateReserved": "2025-12-24T13:02:52.514Z",
"dateUpdated": "2025-12-24T13:06:11.956Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2023-54079\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-24T13:16:09.750\",\"lastModified\":\"2025-12-24T13:16:09.750\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npower: supply: bq27xxx: Fix poll_interval handling and races on remove\\n\\nBefore this patch bq27xxx_battery_teardown() was setting poll_interval = 0\\nto avoid bq27xxx_battery_update() requeuing the delayed_work item.\\n\\nThere are 2 problems with this:\\n\\n1. If the driver is unbound through sysfs, rather then the module being\\n rmmod-ed, this changes poll_interval unexpectedly\\n\\n2. This is racy, after it being set poll_interval could be changed\\n before bq27xxx_battery_update() checks it through\\n /sys/module/bq27xxx_battery/parameters/poll_interval\\n\\nFix this by added a removed attribute to struct bq27xxx_device_info and\\nusing that instead of setting poll_interval to 0.\\n\\nThere also is another poll_interval related race on remove(), writing\\n/sys/module/bq27xxx_battery/parameters/poll_interval will requeue\\nthe delayed_work item for all devices on the bq27xxx_battery_devices\\nlist and the device being removed was only removed from that list\\nafter cancelling the delayed_work item.\\n\\nFix this by moving the removal from the bq27xxx_battery_devices list\\nto before cancelling the delayed_work item.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0c5f4cec759679c290720fbcf6bb81768e21c95b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/465d919151a1e8d40daf366b868914f59d073211\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4c9615474fb0a41cfad658d78db3c9ec70912969\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b12faeca0e819ea09051a705fef9df7ea7e9e18c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c00bc80462afc7963f449d7f21d896d2f629cacc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d952a1eaafcc5f0351caad5dbe9b5b3300d1d529\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e85757da9091998276ff21a13915ac25229cc232\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e98e5bebfcafc75a7b41192a607dfea5c1268afa\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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