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Vulnerability record · CVE-2021-23134 · published 12 May 2021

CVE-2021-23134: Netapp cloud backup use after free vulnerability

NNetapp · Cloud Backup

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.

7.8 CVSS 3.1 High EPSS 0.38% · top 70.8% CWE-416 · Use after free
7.8CVSS 3.1 base score, v2 4.6
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
14References
30 Jul 2026Last modified by NVD

Description

Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d Mailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWB Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0007/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/11/4 Mailing ListPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940d Mailing ListPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWB Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0007/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/11/4 Mailing ListPatchThird Party Advisory

Track CVE-2021-23134 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-23134), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.