Linux Kernel Vulnerability in BPF Program Testing
CVE-2026-22994
What is CVE-2026-22994?
The Linux kernel has a vulnerability in the BPF program testing mechanism, specifically within the function bpf_prog_test_run_xdp(). A reference count leak can occur due to an oversight in error handling where the function xdp_convert_buff_to_md() is not called properly, leading to potential resource management issues. This vulnerability can cause problems in network device management, such as failure to release resources associated with network interfaces, potentially impacting system stability and security.
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Affected Version(s)
Linux 1c194998252469cad00a08bd9ef0b99fd255c260 < 368569bc546d3368ee9980ba79fc42fdff9a3365
Linux 1c194998252469cad00a08bd9ef0b99fd255c260 < 98676ee71fd4eafeb8be63c7f3f1905d40e03101
Linux 1c194998252469cad00a08bd9ef0b99fd255c260