mirror of https://gitee.com/openkylin/linux.git
[PATCH] fix Linux kernel ELF core dump privilege elevation
As reported by Paul Starzetz <ihaquer@isec.pl> Reference: CAN-2005-1263 Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -251,7 +251,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec,
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}
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/* Populate argv and envp */
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p = current->mm->arg_start;
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p = current->mm->arg_end = current->mm->arg_start;
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while (argc-- > 0) {
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size_t len;
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__put_user((elf_addr_t)p, argv++);
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@ -1301,7 +1301,7 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
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static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
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struct mm_struct *mm)
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{
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int i, len;
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unsigned int i, len;
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/* first copy the parameters from user space */
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memset(psinfo, 0, sizeof(struct elf_prpsinfo));
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