CVE-2022-49489

Summary

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]

Affected Software

VendorProductVersion RangeStatus
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < aa4cb188988dc6f1b3f4917d4dbc452150a5d871affected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < ef10d0c68e8608848cd58fca2589685718426607affected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < 134760263f6441741db0b2970e7face6b34b6d1caffected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < ef4bdaac7cb5416f236613ed9337ff0ea8ee329baffected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < 97ac682b6f7d36be5d934f86c9911066540a68f1affected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < 5b0adf5cbf3b74721e4e4c4e0cadc91b8df8bcc2affected
LinuxLinux25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef < fa5186b279ecf44b14fb435540d2065be91cb1edaffected
LinuxLinux4.19affected
LinuxLinux0 < 4.19unaffected
LinuxLinux4.19.247 <= 4.19.*unaffected
LinuxLinux5.4.198 <= 5.4.*unaffected
LinuxLinux5.10.121 <= 5.10.*unaffected
LinuxLinux5.15.46 <= 5.15.*unaffected
LinuxLinux5.17.14 <= 5.17.*unaffected
LinuxLinux5.18.3 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References