Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend

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From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend
Date	Thu, 07 May 2026 21:10:02 +0200
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On Thu, 2026-05-07 at 11:44 -0400, Daniel Convissor wrote:
> Package: src:linux
> Version: 6.12.85-1
> Severity: normal
> X-Debbugs-Cc: danielc@analysisandsolutions.com
> 
> Dear Maintainer,
> 
> The following issue arose since upgrading to Debian 13 from 11...
> 
> Have a laptop with the lid closed, in suspend/sleep mode. Upon opening the lid,
> sometimes the contents of the desktop flash on the screen for a second, then
> the screen locks. This can reveal secure information to attackers.
> 
> I recorded a video of it happening. Note the lid LED blinking prior to opening
> the lid, which indicates the laptop is in suspend/sleep mode.
> https://www.analysisandsolutions.com/int/debian-13-laptop-wake-reveals-
> desktop.mp4

Is this on GNOME (I think that's what I see in the video) or some other
desktop environment?

Ben.

-- 
Ben Hutchings
If the facts do not conform to your theory, they must be disposed of.

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Thread

Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend Daniel Convissor <danielc@analysisandsolutions.com> - 2026-05-07 17:50 +0200
  Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend Ben Hutchings <ben@decadent.org.uk> - 2026-05-07 21:10 +0200
    Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend "Daniel Convissor (business)" <danielc@analysisandsolutions.com> - 2026-05-07 21:30 +0200
      Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend Salvatore Bonaccorso <carnil@debian.org> - 2026-05-10 20:10 +0200
      Bug#1135951: linux-image-6.12.85+deb13-amd64: secure data is visible when waking from suspsend Ben Hutchings <ben@decadent.org.uk> - 2026-05-13 20:00 +0200
  Processed: Re: Bug#1135951: linux-image-6.12.85+deb13-amd64:  secure data is visible when waking from suspsend "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-07 21:10 +0200
  Processed: Re: Bug#1135951: linux-image-6.12.85+deb13-amd64:  secure data is visible when waking from suspsend "Debian Bug Tracking System" <owner@bugs.debian.org> - 2026-05-13 20:00 +0200

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