net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done

{
  "id": "3aa0762d788f6c062ceb8683e7fc94e654b4cc04a0186431d990ef89f20ae10e",
  "url": "https://osv.dev/vulnerability/CVE-2025-38052",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done Syzbot reported a slab-use-after-free with the following call trace: ================================================================== BUG: KASAN: slab-use-after-free in tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840 Read of size 8 at addr ffff88807a733000 by task kworker/1:0/25 Call Trace: kasan_report+0xd9/0x110 mm/kasan/report.c:601 tipc_aead_encrypt_done+0x4bd/0x510 net/tipc/crypto.c:840 crypto_request_complete include/crypto/algapi.h:266 aead_request_complete include/crypto/internal/aead.h:85 cryptd_aead_crypt+0x3b8/0x750 crypto/cryptd.c:772 crypto_request_complete include/crypto/algapi.h:266 cryptd_queue_worker+0x131/0x200 crypto/cryptd.c:181 process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231 Allocated by task 8355: kzalloc_noprof include/linux/slab.h:778 tipc_crypto_start+0xcc/0x9e0 net/tipc/crypto.c:1466 tipc_init_net+0x2dd/0x430 net/tipc/core.c:72 ops_init+0xb9/0x650 net/core/net_namespace.c:139 setup_net+0x435/0xb40 net/core/net_namespace.c:343 copy_net_ns+0x2f0/0x670 net/core/net_namespace.c:508 create_new_namespaces+0x3ea/0xb10 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xc0/0x1f0 kernel/nsproxy.c:228 ksys_unshare+0x419/0x970 kernel/fork.c:3323 __do_sys_unshare kernel/fork.c:3394 Freed by task 63: kfree+0x12a/0x3b0 mm/slub.c:4557 tipc_crypto_stop+0x23c/0x500 net/tipc/crypto.c:1539 tipc_exit_net+0x8c/0x110 net/tipc/",
    "evidence": "osv:CVE-2025-38052",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.238",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.185",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.141",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.93",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.12.31",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-38052",
      "aliases": [
        "CVE-2025-38052"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "fc1b6d6de2208774efd2a20bf0daddb02d18b1e0"
                },
                {
                  "fixed": "d42ed4de6aba232d946d20653a70f79158a6535b"
                },
                {
                  "fixed": "f5c2c4eaaa5a8e7e0685ec031d480e588e263e59"
                },
                {
                  "fixed": "b8fcae6d2e93c54cacb8f579a77d827c1c643eb5"
                },
                {
                  "fixed": "b19fc1d0be3c3397e5968fe2627f22e7f84673b1"
                },
                {
                  "fixed": "689a205cd968a1572ab561b0c4c2d50a10e9d3b0"
                },
                {
                  "fixed": "4a0fddc2c0d5c28aec8c262ad4603be0bef1938c"
                },
                {
                  "fixed": "e279024617134c94fd3e37470156534d5f2b3472"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38052.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.238"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.185"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.141"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.93"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.12.31"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.14.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38052.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.277592701Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/4a0fddc2c0d5c28aec8c262ad4603be0bef1938c",
        "https://git.kernel.org/stable/c/689a205cd968a1572ab561b0c4c2d50a10e9d3b0",
        "https://git.kernel.org/stable/c/b19fc1d0be3c3397e5968fe2627f22e7f84673b1",
        "https://git.kernel.org/stable/c/b8fcae6d2e93c54cacb8f579a77d827c1c643eb5",
        "https://git.kernel.org/stable/c/d42ed4de6aba232d946d20653a70f79158a6535b",
        "https://git.kernel.org/stable/c/e279024617134c94fd3e37470156534d5f2b3472",
        "https://git.kernel.org/stable/c/f5c2c4eaaa5a8e7e0685ec031d480e588e263e59",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38052.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38052",
        "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/2025/38xxx/CVE-2025-38052.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38052",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501249,
  "published_at": "2025-06-18T09:33:33.427+00:00"
}