CVE-2023-39191
An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An improper input validation flaw was found in the eBPF subsystem in the Linux kernel. The issue occurs due to a lack of proper validation of dynamic pointers within user-supplied eBPF programs prior to executing them. This may allow an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code in the context of the kernel.
05 / REFERENCES
Further evidence
- https://access.redhat.com/errata/RHSA-2023:6583
- https://access.redhat.com/errata/RHSA-2024:0381
- https://access.redhat.com/errata/RHSA-2024:0439
- https://access.redhat.com/errata/RHSA-2024:0448
- https://access.redhat.com/security/cve/CVE-2023-39191
- https://bugzilla.redhat.com/show_bug.cgi?id=2226783
- https://www.zerodayinitiative.com/advisories/ZDI-CAN-19399/