CVE-2022-49489

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

State: Published
Severity: 7.8 High
Published: Feb 26, 2025
Updated: May 11, 2026
Reserved: Feb 26, 2025

Description

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]

Scores

CVSS	Score	Vector	Source
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
LinuxLinux	25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before aa4cb188988dc6f1b3f4917d4dbc452150a5d871Affected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before ef10d0c68e8608848cd58fca2589685718426607Affected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 134760263f6441741db0b2970e7face6b34b6d1cAffected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before ef4bdaac7cb5416f236613ed9337ff0ea8ee329bAffected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 97ac682b6f7d36be5d934f86c9911066540a68f1Affected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 5b0adf5cbf3b74721e4e4c4e0cadc91b8df8bcc2Affected 25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before fa5186b279ecf44b14fb435540d2065be91cb1edAffected
LinuxLinux	4.19Affected before 4.19Not affected 4.19.247 through 4.19.Not affected 5.4.198 through 5.4.Not affected 5.10.121 through 5.10.Not affected 5.15.46 through 5.15.Not affected 5.17.14 through 5.17.Not affected 5.18.3 through 5.18.Not affected 5.19 and laterNot affected

Product

Versions

LinuxLinux

25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before aa4cb188988dc6f1b3f4917d4dbc452150a5d871Affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before ef10d0c68e8608848cd58fca2589685718426607Affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 134760263f6441741db0b2970e7face6b34b6d1cAffected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before ef4bdaac7cb5416f236613ed9337ff0ea8ee329bAffected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 97ac682b6f7d36be5d934f86c9911066540a68f1Affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before 5b0adf5cbf3b74721e4e4c4e0cadc91b8df8bcc2Affected
25fdd5933e4c0f5fe2ea5cd59994f8ac5fbe90ef to before fa5186b279ecf44b14fb435540d2065be91cb1edAffected

LinuxLinux

4.19Affected
before 4.19Not affected
4.19.247 through 4.19.*Not affected
5.4.198 through 5.4.*Not affected
5.10.121 through 5.10.*Not affected
5.15.46 through 5.15.*Not affected
5.17.14 through 5.17.*Not affected
5.18.3 through 5.18.*Not affected
5.19 and laterNot affected

References

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