CVE-2024-26900

Advisory lineage Upstream: 0 Downstream: 30
Modified
Published: 17 Apr 2024, 10:27
Last modified:11 May 2026, 20:06

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

17 Apr 2024, 10:27
Published
Vulnerability first disclosed
11 May 2026, 20:06
Last Modified
Vulnerability information updated

Description

In 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

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-401•Missing Release of Memory after Effective Lifetime

    The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

Affected Systems

  • linux•linux

    ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < fb5b347efd1bda989846ffc74679d181222fb123 | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < f3a1787dc48213f6caea5ba7d47e0222e7fa34a9 | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < beaf11969fd5cbe6f09cefaa34df1ce8578e8dd9 | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < 9fd0198f7ef06ae0d6636fb0578560857dead995 | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < 6d32c832a88513f65c2c2c9c75954ee8b387adea | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < 4c1021ce46fc2fb6115f7e79d353941e6dcad366 | ≥ 963c555e75b033202dd76cf6325a7b7c83d08d5f, < 6cf350658736681b9d6b0b6e58c5c76b235bb4c4 | 5.3

  • linux•linux_kernel

    ≥ 5.3, < 6.7.11 | ≥ 6.8, < 6.8.2

References (9)