* Re: CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive [not found] <2024092709-CVE-2024-46805-b06a@gregkh> @ 2024-09-30 18:17 ` Michal Koutný 2024-09-30 18:27 ` Greg Kroah-Hartman 0 siblings, 1 reply; 2+ messages in thread From: Michal Koutný @ 2024-09-30 18:17 UTC (permalink / raw) To: cve, linux-kernel Cc: Greg Kroah-Hartman, Jesse Zhang, Tim Huang, Alex Deucher [-- Attachment #1: Type: text/plain, Size: 503 bytes --] Hello. On Fri, Sep 27, 2024 at 02:36:10PM GMT, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > In the Linux kernel, the following vulnerability has been resolved: > > drm/amdgpu: fix the waring dereferencing hive > > Check the amdgpu_hive_info *hive that maybe is NULL. This "fix" introduces (or transforms) a CVE for panic_on_warn=1 users (if the NULL is reachable by unprivileged users). The NULL ptr dereference thus needs a better fix (I checked in v6.12-rc1). Michal [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 228 bytes --] ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive 2024-09-30 18:17 ` CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive Michal Koutný @ 2024-09-30 18:27 ` Greg Kroah-Hartman 0 siblings, 0 replies; 2+ messages in thread From: Greg Kroah-Hartman @ 2024-09-30 18:27 UTC (permalink / raw) To: Michal Koutný Cc: cve, linux-kernel, Jesse Zhang, Tim Huang, Alex Deucher On Mon, Sep 30, 2024 at 08:17:16PM +0200, Michal Koutný wrote: > Hello. > > On Fri, Sep 27, 2024 at 02:36:10PM GMT, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > > In the Linux kernel, the following vulnerability has been resolved: > > > > drm/amdgpu: fix the waring dereferencing hive > > > > Check the amdgpu_hive_info *hive that maybe is NULL. > > This "fix" introduces (or transforms) a CVE for panic_on_warn=1 users > (if the NULL is reachable by unprivileged users). That it does. > The NULL ptr dereference thus needs a better fix (I checked in > v6.12-rc1). Please submit one for inclusion :) thanks, greg k-h ^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-09-30 18:17 ` CVE-2024-46805: drm/amdgpu: fix the waring dereferencing hive Michal Koutný
2024-09-30 18:27 ` Greg Kroah-Hartman
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