Linux Kernel BPF net/unix/af_unix.c unix_sock_destructor/unix_release_sock memory leak

A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function unix_sock_destructor/unix_release_sock of the file net/unix/af_unix.c of the component BPF. The manipulation leads to memory leak. The CWE definition for the vulnerability is CWE-401. The weakness was presented 10/17/2022. It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2022-3543. The attack needs to be approached within the local network. Technical details are available. There is no exploit available. The pricing 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 $0-$5k. 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

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User

137

Field

vulnerability_cvss3_meta_tempscore2
vulnerability_cvss3_meta_basescore2
vulnerability_cvss3_cna_basescore1
vulnerability_cvss3_nvd_basescore1
source_cve_cna1

Commit Conf

90%31
70%19
50%14

Approve Conf

90%31
70%19
80%14
IDCommitedUserFieldChangeRemarksAcceptedStatusC
1323292311/09/2022VulD...cvss3_cna_basescore3.5see CVSS documentation11/09/2022accepted
90
1323292211/09/2022VulD...cvss3_nvd_basescore5.5nist.gov11/09/2022accepted
90
1323292111/09/2022VulD...cvss3_meta_tempscore4.1see CVSS documentation11/09/2022accepted
90
1323292011/09/2022VulD...cvss3_meta_basescore4.2see CVSS documentation11/09/2022accepted
90
1323291911/09/2022VulD...cve_cnaVulDBnvd.nist.gov11/09/2022accepted
70
1323291811/09/2022VulD...cvss3_cna_aLnvd.nist.gov11/09/2022accepted
70
1323291711/09/2022VulD...cvss3_cna_iNnvd.nist.gov11/09/2022accepted
70
1323291611/09/2022VulD...cvss3_cna_cNnvd.nist.gov11/09/2022accepted
70
1323291511/09/2022VulD...cvss3_cna_sUnvd.nist.gov11/09/2022accepted
70
1323291411/09/2022VulD...cvss3_cna_uiNnvd.nist.gov11/09/2022accepted
70
1323291311/09/2022VulD...cvss3_cna_prLnvd.nist.gov11/09/2022accepted
70
1323291211/09/2022VulD...cvss3_cna_acLnvd.nist.gov11/09/2022accepted
70
1323291111/09/2022VulD...cvss3_cna_avAnvd.nist.gov11/09/2022accepted
70
1323291011/09/2022VulD...cvss3_nvd_aHnvd.nist.gov11/09/2022accepted
70
1323290911/09/2022VulD...cvss3_nvd_iNnvd.nist.gov11/09/2022accepted
70
1323290811/09/2022VulD...cvss3_nvd_cNnvd.nist.gov11/09/2022accepted
70
1323290711/09/2022VulD...cvss3_nvd_sUnvd.nist.gov11/09/2022accepted
70
1323290611/09/2022VulD...cvss3_nvd_uiNnvd.nist.gov11/09/2022accepted
70
1323290511/09/2022VulD...cvss3_nvd_prLnvd.nist.gov11/09/2022accepted
70
1323290411/09/2022VulD...cvss3_nvd_acLnvd.nist.gov11/09/2022accepted
70

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