Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix double free of 'buf' in error path smatch warning: drivers/misc/fastrpc.c:1926 fastrpc_req_mmap() error: double free of 'buf' In fastrpc_req_mmap() error path, the fastrpc buffer is freed in fastrpc_req_munmap_impl() if unmap is successful. But in the end, there is an unconditional call to fastrpc_buf_free(). So the above case triggers the double free of fastrpc buf.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 13327ed95222e70fa98805382b65636b872d87cb before 4753cc37b6606ef9a7ec22861d380d45e2707f9a; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 before f77dc8a75859e559f3238a6d906206259227985e; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 before bfc1704d909dc9911a558b1a5833d3d61a43a1f2; affected 72fa6f7820c4cf96c5f7aabc4e54bdf52d1e2ac2 before e8c276d4dc0e19ee48385f74426aebc855b49aaf; affected 911737ad0c860251f640a05feb75f9dc7e41f0d7; affected b10e064ca0f708c4b4401ac5eab0f76cf7cec93d; affected 5.10.267 before 5.11; affected 5.15.218 before 5.16 |
| Linux / Linux | affected 6.2; unaffected 0 before 6.2; unaffected 6.6.51 through 6.6.*; unaffected 6.10.10 through 6.10.*; unaffected 6.11 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/4753cc37b6606ef9a7ec22861d380d45e2707f9a
- https://git.kernel.org/stable/c/f77dc8a75859e559f3238a6d906206259227985e
- https://git.kernel.org/stable/c/bfc1704d909dc9911a558b1a5833d3d61a43a1f2
- https://git.kernel.org/stable/c/e8c276d4dc0e19ee48385f74426aebc855b49aaf
ADP enrichment
No English description supplied.
No references supplied.