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[PATCH] fix Linux kernel ELF core dump privilege elevation

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As reported by Paul Starzetz <ihaquer@isec.pl>

Reference: CAN-2005-1263

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Greg Kroah-Hartman 2005-05-11 00:10:44 -07:00 committed by Greg KH
parent d3f0fcec2d
commit a84a505956
1 changed files with 2 additions and 2 deletions
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4
fs/binfmt_elf.c
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@ -251,7 +251,7 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr * exec,
}
/* Populate argv and envp */
p = current->mm->arg_start;
p = current->mm->arg_end = current->mm->arg_start;
while (argc-- > 0) {
size_t len;
__put_user((elf_addr_t)p, argv++);
@ -1301,7 +1301,7 @@ static void fill_prstatus(struct elf_prstatus *prstatus,
static int fill_psinfo(struct elf_prpsinfo *psinfo, struct task_struct *p,
struct mm_struct *mm)
{
int i, len;
unsigned int i, len;
/* first copy the parameters from user space */
memset(psinfo, 0, sizeof(struct elf_prpsinfo));