Description
The replace_map_fd_with_map_ptr function in kernel/bpf/verifier.c in the Linux kernel before 4.5.5 does not properly maintain an fd data structure, which allows local users to gain privileges or cause a denial of service (use-after-free) via crafted BPF instructions that reference an incorrect file descriptor.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Ubuntu USN |
USN-2965-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-2965-2 | Linux kernel (Xenial HWE) vulnerabilities |
Ubuntu USN |
USN-2965-3 | Linux kernel (Raspberry Pi 2) vulnerabilities |
Ubuntu USN |
USN-2965-4 | Linux kernel (Qualcomm Snapdragon) vulnerability |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T00:32:25.891Z
Reserved: 2016-05-06T00:00:00.000Z
Link: CVE-2016-4557
No data.
Status : Modified
Published: 2016-05-23T10:59:03.707
Modified: 2026-05-06T22:30:45.220
Link: CVE-2016-4557
OpenCVE Enrichment
No data.
Weaknesses
Ubuntu USN