CVE-2025-39846

In the Linux kernel, the following vulnerability has been resolved: pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region() In __iodyn_find_io_region(), pcmcia_make_resource() is assigned to res and used in pci_bus_alloc_resource(). There is a dereference of res in pci_bus_alloc_resource(), which could lead to a NULL pointer dereference on failure of pcmcia_make_resource(). Fix this bug by adding a check of res.
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:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*

Configuration 2 (hide)

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

History

20 Jan 2026, 15:22

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CWE CWE-476
References () https://git.kernel.org/stable/c/2ee32c4c4f636e474cd8ab7c19a68cf36072ea93 - () https://git.kernel.org/stable/c/2ee32c4c4f636e474cd8ab7c19a68cf36072ea93 - Patch
References () https://git.kernel.org/stable/c/44822df89e8f3386871d9cad563ece8e2fd8f0e7 - () https://git.kernel.org/stable/c/44822df89e8f3386871d9cad563ece8e2fd8f0e7 - Patch
References () https://git.kernel.org/stable/c/4bd570f494124608a0696da070f00236a96fb610 - () https://git.kernel.org/stable/c/4bd570f494124608a0696da070f00236a96fb610 - Patch
References () https://git.kernel.org/stable/c/5ff2826c998370bf7f9ae26fe802140d220e3510 - () https://git.kernel.org/stable/c/5ff2826c998370bf7f9ae26fe802140d220e3510 - Patch
References () https://git.kernel.org/stable/c/b990c8c6ff50649ad3352507398e443b1e3527b2 - () https://git.kernel.org/stable/c/b990c8c6ff50649ad3352507398e443b1e3527b2 - Patch
References () https://git.kernel.org/stable/c/ce3b7766276894d2fbb07e2047a171f9deb965de - () https://git.kernel.org/stable/c/ce3b7766276894d2fbb07e2047a171f9deb965de - Patch
References () https://git.kernel.org/stable/c/d7286005e8fde0a430dc180a9f46c088c7d74483 - () https://git.kernel.org/stable/c/d7286005e8fde0a430dc180a9f46c088c7d74483 - Patch
References () https://git.kernel.org/stable/c/fafa7450075f41d232bc785a4ebcbf16374f2076 - () https://git.kernel.org/stable/c/fafa7450075f41d232bc785a4ebcbf16374f2076 - Patch
References () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html - Third Party Advisory, Mailing List
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, Mailing List
First Time Linux
Debian
Debian debian Linux
Linux linux Kernel

03 Nov 2025, 18:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html -
  • () https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html -

19 Sep 2025, 16:15

Type Values Removed Values Added
New CVE

Information

Published : 2025-09-19 16:15

Updated : 2026-01-20 15:22


NVD link : CVE-2025-39846

Mitre link : CVE-2025-39846

CVE.ORG link : CVE-2025-39846


JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference