{"id":"CVE-2026-93071","state":"PUBLISHED","title":"media: bcm2835-unicam: Fix asc leaked in error/remove path","description":"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","publishedAt":"2026-09-17T16:10:55.092Z","updatedAt":"2026-10-19T09:05:07.078Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"5479372db364c80bb6bd59f640f5c31de3984bab","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"2c29cd408ef86e695acb2a5d4e00fa2f5695368d","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"de9be39cefda1ecd762e6a913665c01f7bb18100","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"253c9659e25131b0169f718e7d094ac1aa0d9279","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/broadcom/bcm2835-unicam.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/broadcom/bcm2835-unicam.c"]}],"references":["https://git.kernel.org/stable/c/5479372db364c80bb6bd59f640f5c31de3984bab","https://git.kernel.org/stable/c/2c29cd408ef86e695acb2a5d4e00fa2f5695368d","https://git.kernel.org/stable/c/de9be39cefda1ecd762e6a913665c01f7bb18100","https://git.kernel.org/stable/c/253c9659e25131b0169f718e7d094ac1aa0d9279"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93071.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93071","state":"PUBLISHED","datePublished":"2026-09-17T16:10:55.092Z","dateUpdated":"2026-10-19T09:05:07.078Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-17T15:57:05.661Z"},"containers":{"cna":{"title":"media: bcm2835-unicam: Fix asc leaked in error/remove path","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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"5479372db364c80bb6bd59f640f5c31de3984bab","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"2c29cd408ef86e695acb2a5d4e00fa2f5695368d","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"de9be39cefda1ecd762e6a913665c01f7bb18100","versionType":"git"},{"version":"392cd78d495f36c201eb5cc425b01017d493e094","status":"affected","lessThan":"253c9659e25131b0169f718e7d094ac1aa0d9279","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/broadcom/bcm2835-unicam.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/platform/broadcom/bcm2835-unicam.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5479372db364c80bb6bd59f640f5c31de3984bab"},{"url":"https://git.kernel.org/stable/c/2c29cd408ef86e695acb2a5d4e00fa2f5695368d"},{"url":"https://git.kernel.org/stable/c/de9be39cefda1ecd762e6a913665c01f7bb18100"},{"url":"https://git.kernel.org/stable/c/253c9659e25131b0169f718e7d094ac1aa0d9279"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:05:07.078Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}