GHSA-2PJ8-R2JF-53PJ
Vulnerability from github – Published: 2024-04-17 12:32 – Updated: 2024-06-27 15:30In the Linux kernel, the following vulnerability has been resolved:
md: fix kmemleak of rdev->serial
If kobject_add() is fail in bind_rdev_to_array(), 'rdev->serial' will be alloc not be freed, and kmemleak occurs.
unreferenced object 0xffff88815a350000 (size 49152): comm "mdadm", pid 789, jiffies 4294716910 hex dump (first 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 ................ backtrace (crc f773277a): [<0000000058b0a453>] kmemleak_alloc+0x61/0xe0 [<00000000366adf14>] __kmalloc_large_node+0x15e/0x270 [<000000002e82961b>] __kmalloc_node.cold+0x11/0x7f [<00000000f206d60a>] kvmalloc_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 [<000000008b0ad622>] entry_SYSCALL_64_after_hwframe+0x6c/0x74
{
"affected": [],
"aliases": [
"CVE-2024-26900"
],
"database_specific": {
"cwe_ids": [
"CWE-401"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-17T11:15:10Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd: fix kmemleak of rdev-\u003eserial\n\nIf kobject_add() is fail in bind_rdev_to_array(), \u0027rdev-\u003eserial\u0027 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 [\u003c0000000058b0a453\u003e] kmemleak_alloc+0x61/0xe0\n [\u003c00000000366adf14\u003e] __kmalloc_large_node+0x15e/0x270\n [\u003c000000002e82961b\u003e] __kmalloc_node.cold+0x11/0x7f\n [\u003c00000000f206d60a\u003e] kvmalloc_node+0x74/0x150\n [\u003c0000000034bf3363\u003e] rdev_init_serial+0x67/0x170\n [\u003c0000000010e08fe9\u003e] mddev_create_serial_pool+0x62/0x220\n [\u003c00000000c3837bf0\u003e] bind_rdev_to_array+0x2af/0x630\n [\u003c0000000073c28560\u003e] md_add_new_disk+0x400/0x9f0\n [\u003c00000000770e30ff\u003e] md_ioctl+0x15bf/0x1c10\n [\u003c000000006cfab718\u003e] blkdev_ioctl+0x191/0x3f0\n [\u003c0000000085086a11\u003e] vfs_ioctl+0x22/0x60\n [\u003c0000000018b656fe\u003e] __x64_sys_ioctl+0xba/0xe0\n [\u003c00000000e54e675e\u003e] do_syscall_64+0x71/0x150\n [\u003c000000008b0ad622\u003e] entry_SYSCALL_64_after_hwframe+0x6c/0x74",
"id": "GHSA-2pj8-r2jf-53pj",
"modified": "2024-06-27T15:30:38Z",
"published": "2024-04-17T12:32:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26900"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/4c1021ce46fc2fb6115f7e79d353941e6dcad366"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6cf350658736681b9d6b0b6e58c5c76b235bb4c4"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6d32c832a88513f65c2c2c9c75954ee8b387adea"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9fd0198f7ef06ae0d6636fb0578560857dead995"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/beaf11969fd5cbe6f09cefaa34df1ce8578e8dd9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/f3a1787dc48213f6caea5ba7d47e0222e7fa34a9"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fb5b347efd1bda989846ffc74679d181222fb123"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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