CVE-2025-38444

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-38444
In the Linux kernel, the following vulnerability has been resolved: raid10: cleanup memleak at raid10_make_request If raid10_read_request or raid10_write_request registers a new request and the REQ_NOWAIT flag is set, the code does not free the malloc from the mempool. unreferenced object 0xffff8884802c3200 (size 192): comm "fio", pid 9197, jiffies 4298078271 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00 .........A...... 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c1a049a2): __kmalloc+0x2bb/0x450 mempool_alloc+0x11b/0x320 raid10_make_request+0x19e/0x650 [raid10] md_handle_request+0x3b3/0x9e0 __submit_bio+0x394/0x560 __submit_bio_noacct+0x145/0x530 submit_bio_noacct_nocheck+0x682/0x830 __blkdev_direct_IO_async+0x4dc/0x6b0 blkdev_read_iter+0x1e5/0x3b0 __io_read+0x230/0x1110 io_read+0x13/0x30 io_issue_sqe+0x134/0x1180 io_submit_sqes+0x48c/0xe90 __do_sys_io_uring_enter+0x574/0x8b0 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x76/0x7e V4: changing backing tree to see if CKI tests will pass. The patch code has not changed between any versions.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/10c6021a609deb95f23f0cc2f89aa9d4bffb14c7 Patch
https://git.kernel.org/stable/c/2941155d9a5ae098b480d551f3a5f8605d4f9af5 Patch
https://git.kernel.org/stable/c/43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24 Patch
https://git.kernel.org/stable/c/8fc3d7b23d139e3cbc944c15d99b3cdbed797d2d Patch
https://git.kernel.org/stable/c/9af149ca9d0dab6e59e813519d309eff62499864 Patch
https://git.kernel.org/stable/c/ed7bcd9f617e4107ac0813c516e72e6b8f6029bd Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
History

22 Dec 2025, 21:53

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/10c6021a609deb95f23f0cc2f89aa9d4bffb14c7 - () https://git.kernel.org/stable/c/10c6021a609deb95f23f0cc2f89aa9d4bffb14c7 - Patch
References () https://git.kernel.org/stable/c/2941155d9a5ae098b480d551f3a5f8605d4f9af5 - () https://git.kernel.org/stable/c/2941155d9a5ae098b480d551f3a5f8605d4f9af5 - Patch
References () https://git.kernel.org/stable/c/43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24 - () https://git.kernel.org/stable/c/43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24 - Patch
References () https://git.kernel.org/stable/c/8fc3d7b23d139e3cbc944c15d99b3cdbed797d2d - () https://git.kernel.org/stable/c/8fc3d7b23d139e3cbc944c15d99b3cdbed797d2d - Patch
References () https://git.kernel.org/stable/c/9af149ca9d0dab6e59e813519d309eff62499864 - () https://git.kernel.org/stable/c/9af149ca9d0dab6e59e813519d309eff62499864 - Patch
References () https://git.kernel.org/stable/c/ed7bcd9f617e4107ac0813c516e72e6b8f6029bd - () https://git.kernel.org/stable/c/ed7bcd9f617e4107ac0813c516e72e6b8f6029bd - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html - Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CWE CWE-401

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -

29 Jul 2025, 14:14

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: raid10: limpieza de fuga de memoria en raid10_make_request Si raid10_read_request o raid10_write_request registra una nueva solicitud y el indicador REQ_NOWAIT está configurado, el código no libera el malloc del grupo de memoria. objeto sin referencia 0xffff8884802c3200 (tamaño 192): comm "fio", pid 9197, jiffies 4298078271 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00 .........A...... 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ seguimiento inverso (crc c1a049a2): __kmalloc+0x2bb/0x450 mempool_alloc+0x11b/0x320 raid10_make_request+0x19e/0x650 [raid10] md_handle_request+0x3b3/0x9e0 __submit_bio+0x394/0x560 __submit_bio_noacct+0x145/0x530 submit_bio_noacct_nocheck+0x682/0x830 __blkdev_direct_IO_async+0x4dc/0x6b0 blkdev_read_iter+0x1e5/0x3b0 __io_read+0x230/0x1110 io_read+0x13/0x30 io_issue_sqe+0x134/0x1180 io_submit_sqes+0x48c/0xe90 __do_sys_io_uring_enter+0x574/0x8b0 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x76/0x7e V4: Se modificó el árbol de respaldo para comprobar si las pruebas CKI superan las pruebas. El código del parche no ha cambiado entre versiones.

25 Jul 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-07-25 16:15

Updated : 2025-12-22 21:53

NVD link : CVE-2025-38444

Mitre link : CVE-2025-38444

CVE.ORG link : CVE-2025-38444

JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime