جزئیات آسیب‌پذیری

In the Linux kernel, the following vulnerability has been resolved: orangefs: skip leading spaces before parsing client debug masks orangefs_prepare_cdm_array() sizes each client debug keyword buffer with strcspn(cds_head, " "), but then parses the keyword with %s. The %s conversion skips leading whitespace, while strcspn() does not. If a client debug entry starts with a space, the allocation can be sized for an empty keyword while sscanf() copies the following non-empty token. This can write past the end of the allocated keyword buffer. Skip leading spaces before computing the keyword length so the allocation matches the string parsed by sscanf().

• https://git.kernel.org/stable/c/173bfd69696815bcf1c052f61cb69c26cca4e443
• https://git.kernel.org/stable/c/995f4d05589f87452a56672270af28918c8939c3
• https://git.kernel.org/stable/c/0ef38d53bca5ea1375fea0d3d11e9727df064b85
• https://git.kernel.org/stable/c/ce748ae1181d0daf5dd0d2d906d5c1cc328c153b
• https://git.kernel.org/stable/c/15d79c806231e62a7b746d3b42626810004e1b27
• https://git.kernel.org/stable/c/116d14f29a0524853c9316f32a2ac06cff5d4bf6
• https://git.kernel.org/stable/c/1774c5b3713add32fe15ab0d3db4b73355f94e35
• https://git.kernel.org/stable/c/d410cd5303ec59c7cf23dd61423752ce8e9ecb59