CVE-2026-53308power: supply: max77705: Free allocated workqueue and fix removal order
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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In the Linux kernel, the following vulnerability has been resolved: power: supply: max77705: Free allocated workqueue and fix removal order Use devm interface for allocating workqueue to fix two bugs at the same time: 1. Driver leaks the memory on remove(), because the workqueue is not destroyed. 2. Driver allocates workqueue and then registers interrupt handlers with devm interface. This means that probe error paths will not use a reversed order, but first destroy the workqueue and then, via devm release handlers, free the interrupt. The interrupt handler schedules work on this exact workqueue, thus if interrupt is hit in this short time window - after destroying workqueue, but before devm() frees the interrupt - the schedulled work will lead to use of freed memory. Change is not equivalent in the workqueue itself: use non-legacy API which does not set (__WQ_LEGACY | WQ_MEM_RECLAIM). The workqueue is used to update power supply (power_supply_changed()) status, thus there is no point to run it for memory reclaim. Note that dev_name() is not directly used in second argument to prevent possible unlikely parsing any "%" character in device name as format.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from a6a494c8e3ce1fe84aac538b087a4cab868ed83f before 4338663dfd21b9c6b012185e5c898769acb60692; from a6a494c8e3ce1fe84aac538b087a4cab868ed83f before b98e4e57e34d099a8f846fa54749654082975ea0; from a6a494c8e3ce1fe84aac538b087a4cab868ed83f before 1e668baadefb16e81269dbfebf3ffc2672e3a3bb | CNA record |
linux linux_kernel linux:linux_kernel | from 6.15 before 7.0.10 | NVD |
References
- https://git.kernel.org/stable/c/4338663dfd21b9c6b012185e5c898769acb60692
- https://git.kernel.org/stable/c/b98e4e57e34d099a8f846fa54749654082975ea0patch
- https://git.kernel.org/stable/c/1e668baadefb16e81269dbfebf3ffc2672e3a3bbpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.