]> git.ipfire.org Git - thirdparty/linux.git/commitdiff
x86/CPU/AMD: Add additional fixed RDSEED microcode revisions
authorMario Limonciello <mario.limonciello@amd.com>
Thu, 13 Nov 2025 22:35:50 +0000 (16:35 -0600)
committerBorislav Petkov (AMD) <bp@alien8.de>
Fri, 14 Nov 2025 12:02:11 +0000 (13:02 +0100)
Microcode that resolves the RDSEED failure (SB-7055 [1]) has been released for
additional Zen5 models to linux-firmware [2]. Update the zen5_rdseed_microcode
array to cover these new models.

Fixes: 607b9fb2ce24 ("x86/CPU/AMD: Add RDSEED fix for Zen5")
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: <stable@kernel.org>
Link: https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7055.html
Link: https://gitlab.com/kernel-firmware/linux-firmware/-/commit/6167e5566900cf236f7a69704e8f4c441bc7212a
Link: https://patch.msgid.link/20251113223608.1495655-1-mario.limonciello@amd.com
arch/x86/kernel/cpu/amd.c

index 2ba9f2d42d8c938cea9f92c7653f24c2a7c540ef..5d46709c58d0b80ad69534e16cfc6dd649c5cf47 100644 (file)
@@ -1037,7 +1037,14 @@ static void init_amd_zen4(struct cpuinfo_x86 *c)
 
 static const struct x86_cpu_id zen5_rdseed_microcode[] = {
        ZEN_MODEL_STEP_UCODE(0x1a, 0x02, 0x1, 0x0b00215a),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x08, 0x1, 0x0b008121),
        ZEN_MODEL_STEP_UCODE(0x1a, 0x11, 0x0, 0x0b101054),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x24, 0x0, 0x0b204037),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x0, 0x0b404035),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x44, 0x1, 0x0b404108),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x60, 0x0, 0x0b600037),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x68, 0x0, 0x0b608038),
+       ZEN_MODEL_STEP_UCODE(0x1a, 0x70, 0x0, 0x0b700037),
        {},
 };