Linux Kernel IPsec net/core/devlink.c devlink_param_set/devlink_param_get use after free

A vulnerability was found in Linux Kernel. It has been classified as critical. This affects the function devlink_param_set/devlink_param_get of the file net/core/devlink.c of the component IPsec. The manipulation leads to use after free. The CWE definition for the vulnerability is CWE-416. The weakness was shared 10/21/2022 as DLA 3173-1. The advisory is shared at git.kernel.org. This vulnerability is uniquely identified as CVE-2022-3625. The attack needs to be initiated within the local network. Technical details are available. There is no exploit available. The price for an exploit might be around USD $0-$5k at the moment. It is declared as not defined. We expect the 0-day to have been worth approximately $5k-$25k. The bugfix is ready for download at git.kernel.org. It is recommended to apply a patch to fix this issue. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Timeline

The analysis of the timeline helps to identify the required approach and handling of single vulnerabilities and vulnerability collections. This overview makes it possible to see less important slices and more severe hotspots at a glance. Initiating immediate vulnerability response and prioritizing of issues is possible.

User

1	40

Field

vulnerability_cvss3_meta_tempscore	2
vulnerability_cvss3_meta_basescore	2
vulnerability_cvss3_cna_basescore	1
vulnerability_cvss3_nvd_basescore	1
source_cve_cna	1

Commit Conf

90%	33
70%	20
50%	12

Approve Conf

90%	33
70%	20
80%	12

ID	Commited	User	Field	Change	Remarks	Accepted	Status	C
13282578	11/19/2022	VulD...	cvss3_cna_basescore	4.6	see CVSS documentation	11/19/2022	accepted	90
13282577	11/19/2022	VulD...	cvss3_nvd_basescore	7.8	nist.gov	11/19/2022	accepted	90
13282576	11/19/2022	VulD...	cvss3_meta_tempscore	5.6	see CVSS documentation	11/19/2022	accepted	90
13282575	11/19/2022	VulD...	cvss3_meta_basescore	5.7	see CVSS documentation	11/19/2022	accepted	90
13282574	11/19/2022	VulD...	cve_cna	VulDB	nvd.nist.gov	11/19/2022	accepted	70
13282573	11/19/2022	VulD...	cvss3_cna_a	L	nvd.nist.gov	11/19/2022	accepted	70
13282572	11/19/2022	VulD...	cvss3_cna_i	L	nvd.nist.gov	11/19/2022	accepted	70
13282571	11/19/2022	VulD...	cvss3_cna_c	L	nvd.nist.gov	11/19/2022	accepted	70
13282570	11/19/2022	VulD...	cvss3_cna_s	U	nvd.nist.gov	11/19/2022	accepted	70
13282569	11/19/2022	VulD...	cvss3_cna_ui	N	nvd.nist.gov	11/19/2022	accepted	70
13282568	11/19/2022	VulD...	cvss3_cna_pr	L	nvd.nist.gov	11/19/2022	accepted	70
13282567	11/19/2022	VulD...	cvss3_cna_ac	H	nvd.nist.gov	11/19/2022	accepted	70
13282566	11/19/2022	VulD...	cvss3_cna_av	A	nvd.nist.gov	11/19/2022	accepted	70
13282565	11/19/2022	VulD...	cvss3_nvd_a	H	nvd.nist.gov	11/19/2022	accepted	70
13282564	11/19/2022	VulD...	cvss3_nvd_i	H	nvd.nist.gov	11/19/2022	accepted	70
13282563	11/19/2022	VulD...	cvss3_nvd_c	H	nvd.nist.gov	11/19/2022	accepted	70
13282562	11/19/2022	VulD...	cvss3_nvd_s	U	nvd.nist.gov	11/19/2022	accepted	70
13282561	11/19/2022	VulD...	cvss3_nvd_ui	N	nvd.nist.gov	11/19/2022	accepted	70
13282560	11/19/2022	VulD...	cvss3_nvd_pr	L	nvd.nist.gov	11/19/2022	accepted	70
13282559	11/19/2022	VulD...	cvss3_nvd_ac	L	nvd.nist.gov	11/19/2022	accepted	70