net/9p: fix uninit-value in p9_client_rpc()

{
  "id": "45f2e19da92ea6d2045330f7f094216ab8be079c56ff6e4caa3c8e480f6a5afb",
  "url": "https://osv.dev/vulnerability/CVE-2024-39301",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net/9p: fix uninit-value in p9_client_rpc()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net/9p: fix uninit-value in p9_client_rpc() Syzbot with the help of KMSAN reported the following error: BUG: KMSAN: uninit-value in trace_9p_client_res include/trace/events/9p.h:146 [inline] BUG: KMSAN: uninit-value in p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 trace_9p_client_res include/trace/events/9p.h:146 [inline] p9_client_rpc+0x1314/0x1340 net/9p/client.c:754 p9_client_create+0x1551/0x1ff0 net/9p/client.c:1031 v9fs_session_init+0x1b9/0x28e0 fs/9p/v9fs.c:410 v9fs_mount+0xe2/0x12b0 fs/9p/vfs_super.c:122 legacy_get_tree+0x114/0x290 fs/fs_context.c:662 vfs_get_tree+0xa7/0x570 fs/super.c:1797 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352 path_mount+0x742/0x1f20 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x725/0x810 fs/namespace.c:3875 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 Uninit was created at: __alloc_pages+0x9d6/0xe70 mm/page_alloc.c:4598 __alloc_pages_node include/linux/gfp.h:238 [inline] alloc_pages_node include/linux/gfp.h:261 [inline] alloc_slab_page mm/slub.c:2175 [inline] allocate_slab mm/slub.c:2338 [inline] new_slab+0x2de/0x1400 mm/slub.c:2391 ___slab_alloc+0x1184/0x33d0 mm/slub.c:3525 __slab_alloc mm/slub.c:3610 [inline] __slab_alloc_node mm/slub.c:3663 [inline] slab_alloc_node mm/slub.c:3835 [inline] kmem_cache_alloc+0x6d3/0xbe0 mm/slub.c:3852 ",
    "evidence": "osv:CVE-2024-39301",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.19.316",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.278",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.219",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.161",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.94",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.34",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.5",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-39301",
      "aliases": [
        "CVE-2024-39301"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "72c5d8e416ecc46af370a1340b3db5ff0b0cc867"
                },
                {
                  "fixed": "2101901dd58c6da4924bc5efb217a1d83436290b"
                },
                {
                  "fixed": "124947855564572713d705a13be7d0c9dae16a17"
                },
                {
                  "fixed": "89969ffbeb948ffc159d19252e7469490103011b"
                },
                {
                  "fixed": "ca71f204711ad24113e8b344dc5bb8b0385f5672"
                },
                {
                  "fixed": "6c1791130b781c843572fb6391c4a4c5d857ab17"
                },
                {
                  "fixed": "fe5c604053c36c62af24eee8a76407d026ea5163"
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                {
                  "fixed": "25460d6f39024cc3b8241b14c7ccf0d6f11a736a"
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          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-39301.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.2.0"
                },
                {
                  "fixed": "4.19.316"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
                },
                {
                  "fixed": "5.4.278"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
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              ]
            },
            {
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                {
                  "introduced": "5.11.0"
                },
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.94"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.34"
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-39301.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.424391695Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/124947855564572713d705a13be7d0c9dae16a17",
        "https://git.kernel.org/stable/c/2101901dd58c6da4924bc5efb217a1d83436290b",
        "https://git.kernel.org/stable/c/25460d6f39024cc3b8241b14c7ccf0d6f11a736a",
        "https://git.kernel.org/stable/c/6c1791130b781c843572fb6391c4a4c5d857ab17",
        "https://git.kernel.org/stable/c/72c5d8e416ecc46af370a1340b3db5ff0b0cc867",
        "https://git.kernel.org/stable/c/89969ffbeb948ffc159d19252e7469490103011b",
        "https://git.kernel.org/stable/c/ca71f204711ad24113e8b344dc5bb8b0385f5672",
        "https://git.kernel.org/stable/c/fe5c604053c36c62af24eee8a76407d026ea5163",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/39xxx/CVE-2024-39301.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-39301",
        "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/2024/39xxx/CVE-2024-39301.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-39301",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 520110,
  "published_at": "2024-06-25T14:22:41.566+00:00"
}