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Date: Fri, 26 Jan 2018 23:56:17 -0800
From: Dan Williams <>
 Ingo Molnar <>, "H. Peter Anvin" <>,
 Jiri Slaby <>,
Subject: [PATCH v5 12/12] x86/spectre: report get_user mitigation for

Reflect the presence of 'get_user', '__get_user', and 'syscall'
protections in sysfs. Keep the "Vulnerable" distinction given the
expectation that the places that have been identified for 'array_idx'
usage are likely incomplete.

Cc: Thomas Gleixner <>
Cc: Ingo Molnar <>
Cc: "H. Peter Anvin" <>
Cc: Greg Kroah-Hartman <>
Reported-by: Jiri Slaby <>
Signed-off-by: Dan Williams <>
 arch/x86/kernel/cpu/bugs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 390b3dc3d438..01d5ba48f745 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -269,7 +269,7 @@ ssize_t cpu_show_spectre_v1(struct device *dev,
 	if (!boot_cpu_has_bug(X86_BUG_SPECTRE_V1))
 		return sprintf(buf, "Not affected\n");
-	return sprintf(buf, "Vulnerable\n");
+	return sprintf(buf, "Vulnerable: Minimal user pointer sanitization\n");
 ssize_t cpu_show_spectre_v2(struct device *dev,

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