CVE-2022-3533 An issue was found in the Linux Kernel. It is rated as problematic. The function parse_usdt_arg of the file tools/lib/bpf/usdt.c has a memory leak when the argument reg

It has been rated as low. This issue affects the function get_bpf_map_elem_stats of the file tools/lib/bpf/verify.c of the component BPF. The function parses the map_elem_stats data structure to extract information about the usage of the map. An unchecked data size results in a memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211033. It has been rated as critical. This issue affects the function bpf_map_release of the file tools/lib/bpf/verify.c of the component BPF. The map_release function frees the memory used by the map by calling the bpf_release function. However, the map_release function does not check the state of the data structure. This results in a memory leak. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211030. It has been rated as major. This issue affects the function bpf_map_elem_stats of the file tools/lib/bpf/verify.c of the component BPF. The function parses the map_elem_stats data structure to extract information about the usage of the map. An unchecked data size results in a memory leak. It is recommended to apply a patch to fix this issue

References

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References: http://vulnhub.com/CVE-2022-3533

http://vulnhub.com/VDB-211030
http://vulnhub.com/VDB-211033

Timeline

Published on: 10/17/2022 09:15:00 UTC
Last modified on: 10/19/2022 05:05:00 UTC