CVE-2026-93071

In the Linux kernel, the following vulnerability has been resolved: media: bcm2835-unicam: Fix asc leaked in error/remove path 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

CVSS

No CVSS.

References

Link	Resource
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

Configurations

No configuration.

History

17 Sep 2026, 17:18

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-09-17 17:18

Updated : 2026-09-17 17:18

NVD link : CVE-2026-93071

Mitre link : CVE-2026-93071

CVE.ORG link : CVE-2026-93071

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-93071", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "392cd78d495f36c201eb5cc425b01017d493e094", "lessThan": "5479372db364c80bb6bd59f640f5c31de3984bab", "versionType": "git"}, {"status": "affected", "version": "392cd78d495f36c201eb5cc425b01017d493e094", "lessThan": "2c29cd408ef86e695acb2a5d4e00fa2f5695368d", "versionType": "git"}, {"status": "affected", "version": "392cd78d495f36c201eb5cc425b01017d493e094", "lessThan": "de9be39cefda1ecd762e6a913665c01f7bb18100", "versionType": "git"}, {"status": "affected", "version": "392cd78d495f36c201eb5cc425b01017d493e094", "lessThan": "253c9659e25131b0169f718e7d094ac1aa0d9279", "versionType": "git"}], "programFiles": ["drivers/media/platform/broadcom/bcm2835-unicam.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"status": "unaffected", "version": "0", "lessThan": "6.10", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.110", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.52", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.6", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/media/platform/broadcom/bcm2835-unicam.c"], "defaultStatus": "affected"}]}], "published": "2026-09-17T17:18:00.977", "references": [{"url": "https://git.kernel.org/stable/c/253c9659e25131b0169f718e7d094ac1aa0d9279", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2c29cd408ef86e695acb2a5d4e00fa2f5695368d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5479372db364c80bb6bd59f640f5c31de3984bab", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de9be39cefda1ecd762e6a913665c01f7bb18100", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: bcm2835-unicam: Fix asc leaked in error/remove path\n\nv4l2_async_nf_add_fwnode_remote() allocates the asc, which is freed when\nv4l2_async_nf_cleanup() is called.\n\nCall v4l2_async_nf_cleanup() properly in the driver paths.\n\nDiscovered with kmemleak after rmmod:\n\nunreferenced object 0xffff000084526b80 (size 64):\n comm \"modprobe\", pid 185, jiffies 4295013512\n hex dump (first 32 bytes):\n 01 00 00 00 00 00 00 00 e8 0d ff bf 00 00 ff ff ................\n 40 83 bc 84 00 00 ff ff 60 83 bc 84 00 00 ff ff @.......`.......\n backtrace (crc ac584083):\n [<00000000ffb081a7>] kmemleak_alloc+0x38/0x44\n [<00000000d2fd9301>] __kmalloc+0x1b0/0x250\n [<000000004dd5354d>] __v4l2_async_nf_add_fwnode+0x28/0x9c\n [<0000000067587657>] __v4l2_async_nf_add_fwnode_remote+0x3c/0x64"}], "lastModified": "2026-09-17T17:18:00.977", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}