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| author | Alexandre Chartre <alexandre.chartre@oracle.com> | 2022-10-27 13:54:49 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-01 19:14:44 +0100 |
| commit | f8fcd872ae668dd38fcb77dd86a1746046ac2daf (patch) | |
| tree | e8329545472a1c9d64f8eaa0486600e2a789b146 /include/linux | |
| parent | 37b4aee162fc06b5197ab418c3ca886c94bcd76d (diff) | |
| download | linux-stable-f8fcd872ae668dd38fcb77dd86a1746046ac2daf.tar.gz linux-stable-f8fcd872ae668dd38fcb77dd86a1746046ac2daf.tar.bz2 linux-stable-f8fcd872ae668dd38fcb77dd86a1746046ac2daf.zip | |
x86/bugs: Report AMD retbleed vulnerability
commit 6b80b59b3555706508008f1f127b5412c89c7fd8 upstream.
Report that AMD x86 CPUs are vulnerable to the RETBleed (Arbitrary
Speculative Code Execution with Return Instructions) attack.
[peterz: add hygon]
[kim: invert parity; fam15h]
Co-developed-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
[ bp: Adjust context ]
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/cpu.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/cpu.h b/include/linux/cpu.h index f958ecc82de9..8c4d21e71774 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -68,6 +68,8 @@ extern ssize_t cpu_show_srbds(struct device *dev, struct device_attribute *attr, extern ssize_t cpu_show_mmio_stale_data(struct device *dev, struct device_attribute *attr, char *buf); +extern ssize_t cpu_show_retbleed(struct device *dev, + struct device_attribute *attr, char *buf); extern __printf(4, 5) struct device *cpu_device_create(struct device *parent, void *drvdata, |