changelog: note MSR access change

[PATCH for-4.15] changelog: note MSR access change

Roger Pau Monne posted 1 patch 3 years ago

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CHANGELOG.md | 1 +
1 file changed, 1 insertion(+)

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[PATCH for-4.15] changelog: note MSR access change

Posted by Roger Pau Monne 3 years ago

The change to deny all accesses to MSRs indexes not explicitly handled
prevents leaking unwanted data into guests.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
---
 CHANGELOG.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f76fadf8c73..d81608af4de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -12,6 +12,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
  - ARM IOREQ servers (device emulation etc.) (Tech Preview)
  - Renesas IPMMU-VMSA (Supported, not security supported; was Tech Preview)
  - ARM SMMUv3 (Tech Preview)
+ - Switched MSR accesses to deny by default policy.
 
 ## Removed / support downgraded
 
-- 
2.30.1

Re: [PATCH for-4.15] changelog: note MSR access change

Posted by Ian Jackson 3 years ago

Roger Pau Monne writes ("[PATCH for-4.15] changelog: note MSR access change"):
> The change to deny all accesses to MSRs indexes not explicitly handled
> prevents leaking unwanted data into guests.

Release-Acked-by: Ian Jackson <iwj@xenproject.org>

Re: [PATCH for-4.15] changelog: note MSR access change

Posted by Jan Beulich 3 years ago

On 25.03.2021 17:20, Roger Pau Monne wrote:
> The change to deny all accesses to MSRs indexes not explicitly handled
> prevents leaking unwanted data into guests.
> 
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>

In case it matters:
Acked-by: Jan Beulich <jbeulich@suse.com>

Jan