Use After Free in Linux Linux_kernel
CVE-2021-23134
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 ca…
Vulnerability class: Use-After-Free
EPSS: 0.003 (26.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
- ARPSyndicate/cvemon
- kdn111/linux-kernel-exploitation
- khanhdn111/linux-kernel-exploitation
- khanhdz-06/linux-kernel-exploitation
- khanhdz191/linux-kernel-exploitation
- khanhhdz/linux-kernel-exploitation
- khanhhdz06/linux-kernel-exploitation
- khanhnd123/linux-kernel-exploitation
- khnhdz/linux-kernel-exploitation
- knd06/linux-kernel-exploitation
References
- psirt@paloaltonetworks.com (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- psirt@paloaltonetworks.com (Patch, Mailing List, Third Party Advisory, x_refsource_MISC)
- psirt@paloaltonetworks.com (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- psirt@paloaltonetworks.com (vendor-advisory, x_refsource_FEDORA, Third Party Advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- psirt@paloaltonetworks.com (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23134?
- CVE-2021-23134 is a high-severity vulnerability in Linux Linux_kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2021-05-12.
- How severe is CVE-2021-23134?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-23134 known to be exploited?
- 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.