CVE-2022-49956

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix use after free bugs _Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl() functions don't do anything except free the "pcmd" pointer. It results in a use after free. Delete them.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770	Patch
https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a	Patch
https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063	Patch
https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27	Patch
https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1	Patch
https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38	Patch
https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77	Patch
https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0	Patch

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:6.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.0:rc3::::::

History

No history.

Information

Published : 2025-06-18 11:15

Updated : 2025-11-17 12:55

NVD link : CVE-2022-49956

Mitre link : CVE-2022-49956

CVE.ORG link : CVE-2022-49956

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-416

Use After Free

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