Bug 2347869 (CVE-2022-49489) - CVE-2022-49489 kernel: drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume
Summary: CVE-2022-49489 kernel: drm/msm/disp/dpu1: set vbif hw config to NULL to avoid...
Keywords:
Status: NEW
Alias: CVE-2022-49489
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-02-26 03:09 UTC by OSIDB Bzimport
Modified: 2025-02-26 16:22 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)

Description OSIDB Bzimport 2025-02-26 03:09:35 UTC
In the Linux kernel, the following vulnerability has been resolved:

drm/msm/disp/dpu1: set vbif hw config to NULL to avoid use after memory free during pm runtime resume

BUG: Unable to handle kernel paging request at virtual address 006b6b6b6b6b6be3

Call trace:
  dpu_vbif_init_memtypes+0x40/0xb8
  dpu_runtime_resume+0xcc/0x1c0
  pm_generic_runtime_resume+0x30/0x44
  __genpd_runtime_resume+0x68/0x7c
  genpd_runtime_resume+0x134/0x258
  __rpm_callback+0x98/0x138
  rpm_callback+0x30/0x88
  rpm_resume+0x36c/0x49c
  __pm_runtime_resume+0x80/0xb0
  dpu_core_irq_uninstall+0x30/0xb0
  dpu_irq_uninstall+0x18/0x24
  msm_drm_uninit+0xd8/0x16c

Patchwork: https://patchwork.freedesktop.org/patch/483255/
[DB: fixed Fixes tag]

Comment 1 Avinash Hanwate 2025-02-26 12:06:06 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022605-CVE-2022-49489-4131@gregkh/T

Comment 2 Avinash Hanwate 2025-02-26 16:22:15 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022605-CVE-2022-49489-4131@gregkh/T


Note You need to log in before you can comment on or make changes to this bug.