media: bcm2835-unicam: Fix asc leaked in error/remove path
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
CVE-2026-93071
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-93071
Linux
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Linux
Source reference: /containers/cna/affected/1/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"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",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"drivers/media/platform/broadcom/bcm2835-unicam.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-93071
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #37806 · Revision 1
- Added to Heist Feed
- Publisher date