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-rw-r--r--fs/exec.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/exec.c b/fs/exec.c
index 91a36b27ec91..f28672f6a172 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1512,6 +1512,12 @@ int do_coredump(long signr, int exit_code, struct pt_regs * regs)
if (!S_ISREG(inode->i_mode))
goto close_fail;
+ /*
+ * Dont allow local users get cute and trick others to coredump
+ * into their pre-created files:
+ */
+ if (inode->i_uid != current->fsuid)
+ goto close_fail;
if (!file->f_op)
goto close_fail;
if (!file->f_op->write)