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Description

In the Linux kernel, the following vulnerability has been resolved: iio: fix memory leak in iio_device_register_eventset() When iio_device_register_sysfs_group() returns failed, iio_device_register_eventset() needs to free attrs array. Otherwise, kmemleak would scan & report memory leak as below: unreferenced object 0xffff88810a1cc3c0 (size 32): comm "100-i2c-vcnl302", pid 728, jiffies 4295052307 (age 156.027s) backtrace: __kmalloc+0x46/0x1b0 iio_device_register_eventset at drivers/iio/industrialio-event.c:541 __iio_device_register at drivers/iio/industrialio-core.c:1959 __devm_iio_device_register at drivers/iio/industrialio-core.c:2040

PUBLISHED Reserved 2025-10-22 | Published 2025-10-22 | Updated 2025-10-22 | Assigner Linux

Product status

Default status
unaffected

32f171724e5cbecc80594fb6eced057cfdd6eb6f (git) before dc6afd6070f3a5b086c8c5cfa6ded63ae44494da
affected

32f171724e5cbecc80594fb6eced057cfdd6eb6f (git) before 5de3add7509c95685f1185683b817dd206c4b1f1
affected

32f171724e5cbecc80594fb6eced057cfdd6eb6f (git) before a154b1c139fbf6a49762159be81d425d41ceec87
affected

32f171724e5cbecc80594fb6eced057cfdd6eb6f (git) before 86fdd15e10e404e70ecb2a3bff24d70356d42b36
affected

Default status
affected

5.13
affected

Any version before 5.13
unaffected

5.15.86 (semver)
unaffected

6.0.16 (semver)
unaffected

6.1.2 (semver)
unaffected

6.2 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/dc6afd6070f3a5b086c8c5cfa6ded63ae44494da

git.kernel.org/...c/5de3add7509c95685f1185683b817dd206c4b1f1

git.kernel.org/...c/a154b1c139fbf6a49762159be81d425d41ceec87

git.kernel.org/...c/86fdd15e10e404e70ecb2a3bff24d70356d42b36

cve.org (CVE-2022-50561)

nvd.nist.gov (CVE-2022-50561)

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