{ "id": "CVE-2024-26900", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-04-17T11:15:10.917", "lastModified": "2024-04-29T19:38:23.120", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix kmemleak of rdev->serial\n\nIf kobject_add() is fail in bind_rdev_to_array(), 'rdev->serial' will be\nalloc not be freed, and kmemleak occurs.\n\nunreferenced object 0xffff88815a350000 (size 49152):\n comm \"mdadm\", pid 789, jiffies 4294716910\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc f773277a):\n [<0000000058b0a453>] kmemleak_alloc+0x61/0xe0\n [<00000000366adf14>] __kmalloc_large_node+0x15e/0x270\n [<000000002e82961b>] __kmalloc_node.cold+0x11/0x7f\n [<00000000f206d60a>] kvmalloc_node+0x74/0x150\n [<0000000034bf3363>] rdev_init_serial+0x67/0x170\n [<0000000010e08fe9>] mddev_create_serial_pool+0x62/0x220\n [<00000000c3837bf0>] bind_rdev_to_array+0x2af/0x630\n [<0000000073c28560>] md_add_new_disk+0x400/0x9f0\n [<00000000770e30ff>] md_ioctl+0x15bf/0x1c10\n [<000000006cfab718>] blkdev_ioctl+0x191/0x3f0\n [<0000000085086a11>] vfs_ioctl+0x22/0x60\n [<0000000018b656fe>] __x64_sys_ioctl+0xba/0xe0\n [<00000000e54e675e>] do_syscall_64+0x71/0x150\n [<000000008b0ad622>] entry_SYSCALL_64_after_hwframe+0x6c/0x74" }, { "lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: md: corrige kmemleak de rdev->serial Si kobject_add() falla en bind_rdev_to_array(), 'rdev->serial' se asignar\u00e1 y no se liberar\u00e1, y se produce kmemleak. objeto sin referencia 0xffff88815a350000 (tama\u00f1o 49152): comm \"mdadm\", pid 789, jiffies 4294716910 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ........ ........ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ retroceso (crc f773277a): [<0000000058b0a453> ] kmemleak_alloc+0x61/0xe0 [<00000000366adf14>] __kmalloc_large_node+0x15e/0x270 [<000000002e82961b>] __kmalloc_node.cold+0x11/0x7f [<00000000f206d60a>] loc_node+0x74/0x150 [<0000000034bf3363>] rdev_init_serial+0x67/0x170 [< 0000000010e08fe9>] mddev_create_serial_pool+0x62/0x220 [<00000000c3837bf0>] bind_rdev_to_array+0x2af/0x630 [<0000000073c28560>] md_add_new_disk+0x400/0x9f0 00000000770e30ff>] md_ioctl+0x15bf/0x1c10 [<000000006cfab718>] blkdev_ioctl+0x191/0x3f0 [< 0000000085086a11>] vfs_ioctl+0x22/0x60 [<0000000018b656fe>] __x64_sys_ioctl+0xba/0xe0 [<00000000e54e675e>] do_syscall_64+0x71/0x150 [<00000 0008b0ad622>] entrada_SYSCALL_64_after_hwframe+0x6c/0x74" } ], "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", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "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": "5.3", "versionEndExcluding": "6.7.11", "matchCriteriaId": "E8FC005A-FB83-48C1-969E-B91C2F176D98" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.8.2", "matchCriteriaId": "543A75FF-25B8-4046-A514-1EA8EDD87AB1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4c1021ce46fc2fb6115f7e79d353941e6dcad366", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/6cf350658736681b9d6b0b6e58c5c76b235bb4c4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/6d32c832a88513f65c2c2c9c75954ee8b387adea", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] } ] }