{ "id": "CVE-2024-38539", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-06-19T14:15:14.193", "lastModified": "2024-11-21T09:26:16.430", "vulnStatus": "Modified", "cveTags": [], "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 [] kmalloc_trace+0x30d/0x3b0\n [] alloc_gid_entry+0x47/0x380 [ib_core]\n [] add_modify_gid+0x166/0x930 [ib_core]\n [] ib_cache_update.part.0+0x6d8/0x910 [ib_core]\n [] ib_cache_setup_one+0x24a/0x350 [ib_core]\n [] ib_register_device+0x9e/0x3a0 [ib_core]\n [] 0xffffffffc2a3d389\n [] nldev_newlink+0x2b8/0x520 [ib_core]\n [] rdma_nl_rcv_msg+0x2c3/0x520 [ib_core]\n []\nrdma_nl_rcv_skb.constprop.0.isra.0+0x23c/0x3a0 [ib_core]\n [] netlink_unicast+0x445/0x710\n [] netlink_sendmsg+0x761/0xc40\n [] __sys_sendto+0x3a9/0x420\n [] __x64_sys_sendto+0xdc/0x1b0\n [] do_syscall_64+0x93/0x180\n [] 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)." }, { "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 [< ffffffffc2640ff7>] 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>] 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)." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-401" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6", "versionEndExcluding": "6.6.33", "matchCriteriaId": "53BC60D9-65A5-4D8F-96C8-149F09214DBD" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.8.12", "matchCriteriaId": "80550309-67AB-4FD1-AC07-3DED5C4F01B2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.9", "versionEndExcluding": "6.9.3", "matchCriteriaId": "E07124C1-19E8-4D21-828D-9932A01D3011" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/3eb127dc408bf7959a4920d04d16ce10e863686a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/6564fc1818404254d1c9f7d75b403b4941516d26", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9c0731832d3b7420cbadba6a7f334363bc8dfb15", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/b3a7fb93afd888793ef226e9665fbda98a95c48e", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }