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CVE-2026-98662

UnknownEPSS 0.17%

Last modified

CVE-2026-98662 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap020a00f: drain irq_work after free_irq The threaded IRQ handler queues data->work through irq_work_queue() so the trigger is polled from a per-CPU context. free_irq() does not flush an irq_work the handler already queued, so after gp2ap020a00f_remove() returns that work may still run and call iio_trigger_poll() on data->trig, which the devm cleanup has already freed, causing a use-after-free. Add irq_work_sync(&data->work) after free_irq() in remove() and in the probe error path, mirroring commit 78601726d4a5 ("iio: trigger: sysfs: fix use-after-free on remove"). Found by an in-house static analysis tool, confirmed by manual review.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap020a00f: drain irq_work after free_irq The threaded IRQ handler queues data->work through irq_work_queue() so the trigger is polled from a per-CPU context. free_irq() does not flush an irq_work the handler already queued, so after gp2ap020a00f_remove() returns that work may still run and call iio_trigger_poll() on data->trig, which the devm cleanup has already freed, causing a use-after-free. Add irq_work_sync(&data->work) after free_irq() in remove() and in the probe error path, mirroring commit 78601726d4a5 ("iio: trigger: sysfs: fix use-after-free on remove"). Found by an in-house static analysis tool, confirmed by manual review.

Metrics

EPSS Probability
0.17%

6.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= bf29fbeaa13d3350ca71df70c705d8b883c45692, < 6f2bb000493c3b4f5715b3103657393672aea05b; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < 43fbbb9eaae5d6f45668e3c4d45508c498d6ba9c; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < d029639b079b28a5334f934c848d895bef0653d1; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < 85c20d1cf3f01a506605a16c2f9ce23b9c8b114f; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < a36814b9fe00970116d30c3143d81e7425c4d334; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < cc71400bc965c0d3894a38ead3d71243400c2d5e; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < a1769877ff52a4f1bfb9ca535d1b5113808bd602; >= bf29fbeaa13d3350ca71df70c705d8b883c45692, < 63213927b141085b6c8719b8037dab3074b7e0fe
LinuxLinux3.13

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98662?
In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap020a00f: drain irq_work after free_irq The threaded IRQ handler queues data->work through irq_work_queue() so the trigger is polled from a per-CPU context. free_irq() does not flush an irq_work the handler already queued, so after gp2ap020a00f_remove() returns that work may still run and call iio_trigger_poll() on data->trig, which the devm cleanup has already freed, causing a use-after-free. Add irq_work_sync(&data->work) after free_irq() in remove() and in the probe error path, mirroring commit 78601726d4a5 ("iio: trigger: sysfs: fix use-after-free on remove"). Found by an in-house static analysis tool, confirmed by manual review.
How severe is CVE-2026-98662?
Severity scoring for CVE-2026-98662 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-98662?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST