Date: Mon, 10 Aug 2009 12:40:20 +0800 From: Eugene Teo <eugeneteo@...nel.sg> To: oss-security@...ts.openwall.com CC: "Steven M. Christey" <coley@...us.mitre.org> Subject: CVE request: kernel: parisc: isa-eeprom missing lower bound check loff_t is a signed type. If userspace passes a negative ppos, the "count" range check is weakened. If ppos is negative, the readb() later in the function will poke in random memory. Only affects if you are using a PA-RISC kernel with CONFIG_EISA set. Upstream commit: http://git.kernel.org/linus/6b4dbcd86a9d464057fcc7abe4d0574093071fcc Reference: http://patchwork.kernel.org/patch/36418/ Thanks, Eugene
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