can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)

{
  "id": "1ab8f5bf7b1f6af566f9927a1a36821739a9a84b3dd49016ccdad76ba7d04b6b",
  "url": "https://osv.dev/vulnerability/CVE-2023-52637",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) Lock jsk->sk to prevent UAF when setsockopt(..., SO_J1939_FILTER, ...) modifies jsk->filters while receiving packets. Following trace was seen on affected system: ================================================================== BUG: KASAN: slab-use-after-free in j1939_sk_recv_match_one+0x1af/0x2d0 [can_j1939] Read of size 4 at addr ffff888012144014 by task j1939/350 CPU: 0 PID: 350 Comm: j1939 Tainted: G W OE 6.5.0-rc5 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.13.0-1ubuntu1.1 04/01/2014 Call Trace: print_report+0xd3/0x620 ? kasan_complete_mode_report_info+0x7d/0x200 ? j1939_sk_recv_match_one+0x1af/0x2d0 [can_j1939] kasan_report+0xc2/0x100 ? j1939_sk_recv_match_one+0x1af/0x2d0 [can_j1939] __asan_load4+0x84/0xb0 j1939_sk_recv_match_one+0x1af/0x2d0 [can_j1939] j1939_sk_recv+0x20b/0x320 [can_j1939] ? __kasan_check_write+0x18/0x20 ? __pfx_j1939_sk_recv+0x10/0x10 [can_j1939] ? j1939_simple_recv+0x69/0x280 [can_j1939] ? j1939_ac_recv+0x5e/0x310 [can_j1939] j1939_can_recv+0x43f/0x580 [can_j1939] ? __pfx_j1939_can_recv+0x10/0x10 [can_j1939] ? raw_rcv+0x42/0x3c0 [can_raw] ? __pfx_j1939_can_recv+0x10/0x10 [can_j1939] can_rcv_filter+0x11f/0x350 [can] can_receive+0x12f/0x190 [can] ? __pfx_can_rcv+0x10/0x10 [can] can_rcv+0xdd/0x130 [can] ? __pfx_can_rcv+0x10/0x10 [can] __netif_receive_skb_one_core+0x13d/0x150 ? __pfx___",
    "evidence": "osv:CVE-2023-52637",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.269",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.210",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.149",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.79",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.18",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.7.6",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2023-52637",
      "aliases": [
        "CVE-2023-52637"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
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                  "fixed": "978e50ef8c38dc71bd14d1b0143d554ff5d188ba"
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                  "fixed": "41ccb5bcbf03f02d820bc6ea8390811859f558f8"
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                  "fixed": "4dd684d4bb3cd5454e0bf6e2a1bdfbd5c9c872ed"
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                  "fixed": "f84e7534457dcd7835be743517c35378bb4e7c50"
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                  "fixed": "fc74b9cb789cae061bbca7b203a3842e059f6b5d"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52637.json"
          }
        },
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          "ranges": [
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              "type": "ECOSYSTEM",
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                  "introduced": "5.4.0"
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                  "fixed": "5.4.269"
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                  "introduced": "6.2.0"
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          "package": {
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            "ecosystem": "Linux"
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      "modified": "2026-10-28T02:30:38.260405352Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/08de58abedf6e69396e1207e4f99ef8904b2b532",
        "https://git.kernel.org/stable/c/41ccb5bcbf03f02d820bc6ea8390811859f558f8",
        "https://git.kernel.org/stable/c/4dd684d4bb3cd5454e0bf6e2a1bdfbd5c9c872ed",
        "https://git.kernel.org/stable/c/978e50ef8c38dc71bd14d1b0143d554ff5d188ba",
        "https://git.kernel.org/stable/c/efe7cf828039aedb297c1f9920b638fffee6aabc",
        "https://git.kernel.org/stable/c/f84e7534457dcd7835be743517c35378bb4e7c50",
        "https://git.kernel.org/stable/c/fc74b9cb789cae061bbca7b203a3842e059f6b5d",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52637.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52637",
        "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/2023/52xxx/CVE-2023-52637.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52637",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505545,
  "published_at": "2024-04-03T14:54:40.262+00:00"
}