CVE-2024-38539 (GCVE-0-2024-38539)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2026-08-05 11:32
VLAI
Title
RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw When running blktests nvme/rdma, the following kmemleak issue will appear. kmemleak: Kernel memory leak detector initialized (mempool available:36041) kmemleak: Automatic memory scanning thread started kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak) kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) unreferenced object 0xffff88855da53400 (size 192): comm "rdma", pid 10630, jiffies 4296575922 hex dump (first 32 bytes): 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7............... 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.].... backtrace (crc 47f66721): [<ffffffff911251bd>] kmalloc_trace+0x30d/0x3b0 [<ffffffffc2640ff7>] alloc_gid_entry+0x47/0x380 [ib_core] [<ffffffffc2642206>] add_modify_gid+0x166/0x930 [ib_core] [<ffffffffc2643468>] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [<ffffffffc2644e1a>] ib_cache_setup_one+0x24a/0x350 [ib_core] [<ffffffffc263949e>] ib_register_device+0x9e/0x3a0 [ib_core] [<ffffffffc2a3d389>] 0xffffffffc2a3d389 [<ffffffffc2688cd8>] nldev_newlink+0x2b8/0x520 [ib_core] [<ffffffffc2645fe3>] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [<ffffffffc264648c>] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [<ffffffff9270e7b5>] netlink_unicast+0x445/0x710 [<ffffffff9270f1f1>] netlink_sendmsg+0x761/0xc40 [<ffffffff9249db29>] __sys_sendto+0x3a9/0x420 [<ffffffff9249dc8c>] __x64_sys_sendto+0xdc/0x1b0 [<ffffffff92db0ad3>] do_syscall_64+0x93/0x180 [<ffffffff92e00126>] entry_SYSCALL_64_after_hwframe+0x71/0x79 The root cause: rdma_put_gid_attr is not called when sgid_attr is set to ERR_PTR(-ENODEV).
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:15 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f8ef1be816bf9a0c406c696368c2264a9597a994 , < 3eb127dc408bf7959a4920d04d16ce10e863686a (git)
Affected: f8ef1be816bf9a0c406c696368c2264a9597a994 , < 6564fc1818404254d1c9f7d75b403b4941516d26 (git)
Affected: f8ef1be816bf9a0c406c696368c2264a9597a994 , < b3a7fb93afd888793ef226e9665fbda98a95c48e (git)
Affected: f8ef1be816bf9a0c406c696368c2264a9597a994 , < 9c0731832d3b7420cbadba6a7f334363bc8dfb15 (git)
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Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw\n\nWhen running blktests nvme/rdma, the following kmemleak issue will appear.\n\nkmemleak: Kernel memory leak detector initialized (mempool available:36041)\nkmemleak: Automatic memory scanning thread started\nkmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\n\nunreferenced object 0xffff88855da53400 (size 192):\n  comm \"rdma\", pid 10630, jiffies 4296575922\n  hex dump (first 32 bytes):\n    37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00  7...............\n    10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff  .4.].....4.]....\n  backtrace (crc 47f66721):\n    [\u003cffffffff911251bd\u003e] kmalloc_trace+0x30d/0x3b0\n    [\u003cffffffffc2640ff7\u003e] alloc_gid_entry+0x47/0x380 [ib_core]\n    [\u003cffffffffc2642206\u003e] add_modify_gid+0x166/0x930 [ib_core]\n    [\u003cffffffffc2643468\u003e] ib_cache_update.part.0+0x6d8/0x910 [ib_core]\n    [\u003cffffffffc2644e1a\u003e] ib_cache_setup_one+0x24a/0x350 [ib_core]\n    [\u003cffffffffc263949e\u003e] ib_register_device+0x9e/0x3a0 [ib_core]\n    [\u003cffffffffc2a3d389\u003e] 0xffffffffc2a3d389\n    [\u003cffffffffc2688cd8\u003e] nldev_newlink+0x2b8/0x520 [ib_core]\n    [\u003cffffffffc2645fe3\u003e] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core]\n    [\u003cffffffffc264648c\u003e]\nrdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core]\n    [\u003cffffffff9270e7b5\u003e] netlink_unicast+0x445/0x710\n    [\u003cffffffff9270f1f1\u003e] netlink_sendmsg+0x761/0xc40\n    [\u003cffffffff9249db29\u003e] __sys_sendto+0x3a9/0x420\n    [\u003cffffffff9249dc8c\u003e] __x64_sys_sendto+0xdc/0x1b0\n    [\u003cffffffff92db0ad3\u003e] do_syscall_64+0x93/0x180\n    [\u003cffffffff92e00126\u003e] entry_SYSCALL_64_after_hwframe+0x71/0x79\n\nThe root cause: rdma_put_gid_attr is not called when sgid_attr is set\nto ERR_PTR(-ENODEV)."
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          "lang": "es",
          "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA/cma: corrija kmemleak en rdma_core observado durante el uso de blktests nvme/rdma siw Al ejecutar blktests nvme/rdma, aparecer\u00e1 el siguiente problema de kmemleak. kmemleak: detector de p\u00e9rdida de memoria del kernel inicializado (mempool disponible: 36041) kmemleak: hilo de escaneo autom\u00e1tico de memoria iniciado kmemleak: 2 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 8 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/ kernel/debug/kmemleak) kmemleak: 17 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 4 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) objeto sin referencia 0xffff88855da53400 (tama\u00f1o 192): comm \"rdma\", pid 10630, sjiffies 4296575922 volcado hexadecimal (primeros 32 bytes): 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7................. 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.].... backtrace (crc 47f66721): [] kmalloc_trace+0x30d/0x3b0 [\u0026lt; ffffffffc2640ff7\u0026gt;] alloc_gid_entry+0x47/0x380 [ib_core] [] add_modify_gid+0x166/0x930 [ib_core] [] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [] ib_cache_setup_one+0x24a/ 0x350 [ib_core] [] ib_register_device+0x9e/0x3a0 [ib_core] [] 0xffffffffc2a3d389 [] nldev_newlink+0x2b8/0x520 [ib_core] ffffffffc2645fe3\u0026gt;] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [ ] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [] netlink_unicast+0x445/0x710 [] 0 [] __sys_sendto+0x3a9/0x420 [] __x64_sys_sendto+0xdc/0x1b0 [] do_syscall_64+0x93/0x180 [] Entry_SYSCALL_64_after_hwframe+0x71/0x79 La causa ra\u00edz: _gid_attr no se llama cuando sgid_attr est\u00e1 configurado en ERR_PTR(-ENODEV)."
        }
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      "id": "CVE-2024-38539",
      "lastModified": "2024-11-21T09:26:16.430",
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              "confidentialityImpact": "NONE",
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              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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      "published": "2024-06-19T14:15:14.193",
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            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: RDMA/cma: corrija kmemleak en rdma_core observado durante el uso de blktests nvme/rdma siw Al ejecutar blktests nvme/rdma, aparecer\u00e1 el siguiente problema de kmemleak. kmemleak: detector de p\u00e9rdida de memoria del kernel inicializado (mempool disponible: 36041) kmemleak: hilo de escaneo autom\u00e1tico de memoria iniciado kmemleak: 2 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 8 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/ kernel/debug/kmemleak) kmemleak: 17 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) kmemleak: 4 nuevas p\u00e9rdidas de memoria sospechosas (ver /sys/kernel/debug/kmemleak) objeto sin referencia 0xffff88855da53400 (tama\u00f1o 192): comm \"rdma\", pid 10630, sjiffies 4296575922 volcado hexadecimal (primeros 32 bytes): 37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00 7................. 10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff .4.].....4.].... backtrace (crc 47f66721): [] kmalloc_trace+0x30d/0x3b0 [\u0026lt; ffffffffc2640ff7\u0026gt;] alloc_gid_entry+0x47/0x380 [ib_core] [] add_modify_gid+0x166/0x930 [ib_core] [] ib_cache_update.part.0+0x6d8/0x910 [ib_core] [] ib_cache_setup_one+0x24a/ 0x350 [ib_core] [] ib_register_device+0x9e/0x3a0 [ib_core] [] 0xffffffffc2a3d389 [] nldev_newlink+0x2b8/0x520 [ib_core] ffffffffc2645fe3\u0026gt;] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core] [ ] rdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core] [] netlink_unicast+0x445/0x710 [] 0 [] __sys_sendto+0x3a9/0x420 [] __x64_sys_sendto+0xdc/0x1b0 [] do_syscall_64+0x93/0x180 [] Entry_SYSCALL_64_after_hwframe+0x71/0x79 La causa ra\u00edz: _gid_attr no se llama cuando sgid_attr est\u00e1 configurado en ERR_PTR(-ENODEV)."
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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.9.3",
                      "versionStartIncluding": "6.6",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.10",
                      "versionStartIncluding": "6.6",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw\n\nWhen running blktests nvme/rdma, the following kmemleak issue will appear.\n\nkmemleak: Kernel memory leak detector initialized (mempool available:36041)\nkmemleak: Automatic memory scanning thread started\nkmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 17 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\nkmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak)\n\nunreferenced object 0xffff88855da53400 (size 192):\n  comm \"rdma\", pid 10630, jiffies 4296575922\n  hex dump (first 32 bytes):\n    37 00 00 00 00 00 00 00 c0 ff ff ff 1f 00 00 00  7...............\n    10 34 a5 5d 85 88 ff ff 10 34 a5 5d 85 88 ff ff  .4.].....4.]....\n  backtrace (crc 47f66721):\n    [\u003cffffffff911251bd\u003e] kmalloc_trace+0x30d/0x3b0\n    [\u003cffffffffc2640ff7\u003e] alloc_gid_entry+0x47/0x380 [ib_core]\n    [\u003cffffffffc2642206\u003e] add_modify_gid+0x166/0x930 [ib_core]\n    [\u003cffffffffc2643468\u003e] ib_cache_update.part.0+0x6d8/0x910 [ib_core]\n    [\u003cffffffffc2644e1a\u003e] ib_cache_setup_one+0x24a/0x350 [ib_core]\n    [\u003cffffffffc263949e\u003e] ib_register_device+0x9e/0x3a0 [ib_core]\n    [\u003cffffffffc2a3d389\u003e] 0xffffffffc2a3d389\n    [\u003cffffffffc2688cd8\u003e] nldev_newlink+0x2b8/0x520 [ib_core]\n    [\u003cffffffffc2645fe3\u003e] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core]\n    [\u003cffffffffc264648c\u003e]\nrdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core]\n    [\u003cffffffff9270e7b5\u003e] netlink_unicast+0x445/0x710\n    [\u003cffffffff9270f1f1\u003e] netlink_sendmsg+0x761/0xc40\n    [\u003cffffffff9249db29\u003e] __sys_sendto+0x3a9/0x420\n    [\u003cffffffff9249dc8c\u003e] __x64_sys_sendto+0xdc/0x1b0\n    [\u003cffffffff92db0ad3\u003e] do_syscall_64+0x93/0x180\n    [\u003cffffffff92e00126\u003e] entry_SYSCALL_64_after_hwframe+0x71/0x79\n\nThe root cause: rdma_put_gid_attr is not called when sgid_attr is set\nto ERR_PTR(-ENODEV)."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2025-05-04T09:13:33.880Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a"
            },
            {
              "url": "https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26"
            },
            {
              "url": "https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e"
            },
            {
              "url": "https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15"
            }
          ],
          "title": "RDMA/cma: Fix kmemleak in rdma_core observed during blktests nvme/rdma use siw",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-38539",
        "datePublished": "2024-06-19T13:35:14.099Z",
        "dateReserved": "2024-06-18T19:36:34.918Z",
        "dateUpdated": "2025-05-04T09:13:33.880Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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