media: bcm2835-unicam: Fix asc leaked in error/remove path
Published Sep 17, 2026
No CVSS score
EPSS 0.21%
Description
v4l2_async_nf_add_fwnode_remote() allocates the asc, which is freed when v4l2_async_nf_cleanup() is called.
Call v4l2_async_nf_cleanup() properly in the driver paths.
Discovered with kmemleak after rmmod:
unreferenced object 0xffff000084526b80 (size 64): comm "modprobe", pid 185, jiffies 4295013512 hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e8 0d ff bf 00 00 ff ff ................ 40 83 bc 84 00 00 ff ff 60 83 bc 84 00 00 ff ff @.......`....... backtrace (crc ac584083): [<00000000ffb081a7>] kmemleak_alloc+0x38/0x44 [<00000000d2fd9301>] __kmalloc+0x1b0/0x250 [<000000004dd5354d>] __v4l2_async_nf_add_fwnode+0x28/0x9c [<0000000067587657>] __v4l2_async_nf_add_fwnode_remote+0x3c/0x64
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 6.10StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<6.10
- Version 6.12.110StatusunaffectedConstraints<=6.12.*
- Version 6.18.52StatusunaffectedConstraints<=6.18.*
- Version 7.2.6StatusunaffectedConstraints<=7.2.*
- Version 7.3-rc1StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Sep–Oct 2026- EPSS v5
Percentile over time
- EPSS v5
Table of values (2 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.21% (0.00209) | 10.04th | v5 (v2026.06.15) |
| Sep 18, 2026 | 0.17% (0.00168) | 6.51th | v5 (v2026.06.15) |
No CWE recorded.
References (4)
- https://git.kernel.org/stable/c/253c9659e25131b0169f718e7d094ac1aa0d9279
- https://git.kernel.org/stable/c/2c29cd408ef86e695acb2a5d4e00fa2f5695368d
- https://git.kernel.org/stable/c/5479372db364c80bb6bd59f640f5c31de3984bab
- https://git.kernel.org/stable/c/de9be39cefda1ecd762e6a913665c01f7bb18100
Change history (0)
No recorded changes yet.