CVE-2022-49809

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

01/05/2025

Last modified:

07/11/2025

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.50

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	3.0.72 (including)	3.1 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	3.1.1 (including)	4.9.334 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.10 (including)	4.14.300 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.15 (including)	4.19.267 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	4.20 (including)	5.4.225 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.5 (including)	5.10.156 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.11 (including)	5.15.80 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16 (including)	6.0.10 (excluding)
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::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2022-49809

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools