media: bcm2835-unicam: Fix asc leaked in error/remove path

{
  "id": "15a51d4808fc47455b9adf58b1df60dfe805f335c6c106378407d9bcce400750",
  "url": "https://osv.dev/vulnerability/CVE-2026-93071",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "media: bcm2835-unicam: Fix asc leaked in error/remove path",
    "summary": "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",
    "evidence": "osv:CVE-2026-93071",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.110",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.18.52",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "7.2.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-93071",
      "aliases": [
        "CVE-2026-93071"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "392cd78d495f36c201eb5cc425b01017d493e094"
                },
                {
                  "fixed": "5479372db364c80bb6bd59f640f5c31de3984bab"
                },
                {
                  "fixed": "2c29cd408ef86e695acb2a5d4e00fa2f5695368d"
                },
                {
                  "fixed": "de9be39cefda1ecd762e6a913665c01f7bb18100"
                },
                {
                  "fixed": "253c9659e25131b0169f718e7d094ac1aa0d9279"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93071.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.10.0"
                },
                {
                  "fixed": "6.12.110"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.18.52"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "7.2.6"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-93071.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.900204905Z",
      "provider": "osv",
      "references": [
        "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",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93071.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-93071",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/93xxx/CVE-2026-93071.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-93071",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 510963,
  "published_at": "2026-09-17T16:10:55.092+00:00"
}