Re: Errors in DMESG After System Update

2025-04-05 Thread Tim via users
Tim: >> Supposedly, it could show an ordinary user something they shouldn't >> know, hence the increased security, now. Barry: > As I understand the risk it is the presences of addresses in dmesg > output of kernel internals that are required for attacking the > kernel. > I couldn't remember wha

Re: Errors in DMESG After System Update

2025-04-05 Thread Stephen Morris
On 17/3/25 17:42, Samuel Sieb wrote: On 2025-03-16 15:23, Stephen Morris wrote: Is the nvidia API mismatch because the Xorg nvidia drivers were updated with the update I did and I haven't rebooted yet? [ 3055.581655] NVRM: API mismatch: the client has the version 570.124.04, but

Re: Errors in DMESG After System Update

2025-03-18 Thread Tim via users
Tim: > > Supposedly, it could show an ordinary user something they shouldn't > > know, hence the increased security, now. Stephen Morris: > It depends on what environment you are in, if you are in an > organisational environment then it is possible that it may show > something that is sensitive

Re: Errors in DMESG After System Update

2025-03-18 Thread Barry
> On 18 Mar 2025, at 07:29, Tim via users wrote: > > Supposedly, it could show an ordinary user something they shouldn't > know, hence the increased security, now. As I understand the risk it is the presences of addresses in dmesg output of kernel internals that are required for attacking the

Re: Errors in DMESG After System Update

2025-03-18 Thread Stephen Morris
On 18/3/25 18:28, Tim via users wrote: On Tue, 2025-03-18 at 08:43 +1100, Stephen Morris wrote: Thanks Todd, it's been quite a while since I've used DMESG, but I don't remember ever having to use sudo with it, nor do I remember ever seeing the message about kernel buffer access being denied, but

Re: Errors in DMESG After System Update

2025-03-18 Thread Tim via users
On Tue, 2025-03-18 at 08:43 +1100, Stephen Morris wrote: > Thanks Todd, it's been quite a while since I've used DMESG, but I don't > remember ever having to use sudo with it, nor do I remember ever seeing > the message about kernel buffer access being denied, but it just means I > will now have

Re: Errors in DMESG After System Update

2025-03-17 Thread Stephen Morris
On 17/3/25 09:38, Todd Zullinger wrote: Stephen Morris wrote:     Just a query first off, why do I need to run dmesg under sudo for it to produce its output? In Fedora 39 (or there about), the CONFIG_SECURITY_DMESG_RESTRICT kernel config was changed. The commit in the Fedora kernel source tre

Re: Errors in DMESG After System Update

2025-03-16 Thread Samuel Sieb
On 2025-03-16 15:23, Stephen Morris wrote:     Is the nvidia API mismatch because the Xorg nvidia drivers were updated with the update I did and I haven't rebooted yet? [ 3055.581655] NVRM: API mismatch: the client has the version 570.124.04, but   NVRM: this kernel module has t

Re: Errors in DMESG After System Update

2025-03-16 Thread Todd Zullinger
Stephen Morris wrote: >     Just a query first off, why do I need to run dmesg under sudo for it to > produce its output? In Fedora 39 (or there about), the CONFIG_SECURITY_DMESG_RESTRICT kernel config was changed. The commit in the Fedora kernel source tree provides some useful details¹: Tu