CVE-2022-49809

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.

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/0ef17d966445358a55c5f4ccf2c73cca3e39192b	Patch
https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce	Patch
https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a	Patch
https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da	Patch
https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb	Patch
https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118	Patch
https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1	Patch
https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921	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::::::::
	cpe:2.3:o:linux:linux_kernel:3.1:-::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc4::::::
	cpe:2.3:o:linux:linux_kernel:6.1:rc5::::::

History

No history.

Information

Published : 2025-05-01 15:16

Updated : 2025-11-07 19:37

NVD link : CVE-2022-49809

Mitre link : CVE-2022-49809

CVE.ORG link : CVE-2022-49809

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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