CVE detail
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 capability.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 20.8 · diversity 18.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
7 source links · newest first
- https://www.openwall.com/lists/oss-security/2021/05/11/4www.openwall.com
No excerpt available.
Exploitwww.openwall.comMay 12, 2021, 11:15 PM - https://security.netapp.com/advisory/ntap-20210625-0007/security.netapp.com
No excerpt available.
Vendor Advisorysecurity.netapp.comMay 12, 2021, 11:15 PM - https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QALNQT4LJFVSSA3MWCIECVY4AFPP4X77/lists.fedoraproject.org
No excerpt available.
Third Party Advisorylists.fedoraproject.orgMay 12, 2021, 11:15 PM - https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LZYORWNQIHNWRFYRDXBWYWBYM46PDZEN/lists.fedoraproject.org
No excerpt available.
Third Party Advisorylists.fedoraproject.orgMay 12, 2021, 11:15 PM No excerpt available.
Vendor Advisorylists.debian.orgMay 12, 2021, 11:15 PMNo excerpt available.
Vendor Advisorylists.debian.orgMay 12, 2021, 11:15 PM- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=c61760e6940dgit.kernel.org
No excerpt available.
Exploitgit.kernel.orgMay 12, 2021, 11:15 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
Related records
Similar CVEs
6 related CVEs with shared weakness or product evidence
- CVE-2020-25671CVSS 7.8 · High
A vulnerability was found in Linux Kernel, where a refcount leak in llcp_sock_connect() causing use-after-free which might lead to privilege escalations.
- CVE-2020-25670CVSS 7.8 · High
A vulnerability was found in Linux Kernel where refcount leak in llcp_sock_bind() causing use-after-free which might lead to privilege escalations.
- CVE-2021-41864CVSS 7.8 · High
prealloc_elems_and_freelist in kernel/bpf/stackmap.c in the Linux kernel before 5.14.12 allows unprivileged users to trigger an eBPF multiplication integer overflow with a resulta…
- CVE-2020-25672CVSS 7.5 · High
A memory leak vulnerability was found in Linux kernel in llcp_sock_connect
- CVE-2021-23133CVSS 6.7 · Medium
A race condition in Linux kernel SCTP sockets (net/sctp/socket.c) before 5.12-rc8 can lead to kernel privilege escalation from the context of a network service or an unprivileged…
- CVE-2020-25669CVSS 7.8 · High
A vulnerability was found in the Linux Kernel where the function sunkbd_reinit having been scheduled by sunkbd_interrupt before sunkbd being freed. Though the dangling pointer is…