CVE-2025-21844

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for next_buffer in receive_encrypted_standard() Add check for the return value of cifs_buf_get() and cifs_small_buf_get() in receive_encrypted_standard() to prevent null pointer dereference.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

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/24e8e4523d3071bc5143b0db9127d511489f7b3b	Patch
https://git.kernel.org/stable/c/554736b583f529ee159aa95af9a0cbc12b5ffc96	Patch
https://git.kernel.org/stable/c/860ca5e50f73c2a1cef7eefc9d39d04e275417f7	Patch
https://git.kernel.org/stable/c/9e5d99a4cf2e23c716b44862975548415fae5391	Patch
https://git.kernel.org/stable/c/a9b0b4b29877cb4dc5d0842b59b5ccbacddb85bd	Patch
https://git.kernel.org/stable/c/f277e479eea3d1aa18bc712abe1d2bf3dece2e30	Patch
https://git.kernel.org/stable/c/f618aeb6cad2307e48a641379db610abcf593edf	Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

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:5.10.211:::::::*
	cpe:2.3:o:linux:linux_kernel:5.15.150:::::::*
	cpe:2.3:o:linux:linux_kernel:6.14:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.14:rc3::::::

History

No history.

Information

Published : 2025-03-12 10:15

Updated : 2025-11-03 20:17

NVD link : CVE-2025-21844

Mitre link : CVE-2025-21844

CVE.ORG link : CVE-2025-21844

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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