CVE-2022-49483
- Source
- https://cve.org/CVERecord?id=CVE-2022-49483
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49483.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-49483
- Downstream
- Related
- Published
- 2025-02-26T02:13:22Z
- Modified
- 2026-08-12T03:51:43Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit
If edp modeset init is failed due to panel being not ready and probe defers during drm bind, avoid clearing irqs and dereference hw_intr when hw_intr is null.
BUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Call trace: dpu_core_irq_uninstall+0x50/0xb0 dpu_irq_uninstall+0x18/0x24 msm_drm_uninit+0xd8/0x16c msm_drm_bind+0x580/0x5fc try_to_bring_up_master+0x168/0x1c0 __component_add+0xb4/0x178 component_add+0x1c/0x28 dp_display_probe+0x38c/0x400 platform_probe+0xb0/0xd0 really_probe+0xcc/0x2c8 __driver_probe_device+0xbc/0xe8 driver_probe_device+0x48/0xf0 __device_attach_driver+0xa0/0xc8 bus_for_each_drv+0x8c/0xd8 __device_attach+0xc4/0x150 device_initial_probe+0x1c/0x28
Changes in V2:
- Update commit message and coreect fixes tag.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49483.json" }- References
-
- https://git.kernel.org/stable/c/01013ba9bbddc62f7d011163cebfd7ed06bb698b
- https://git.kernel.org/stable/c/a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4
- https://git.kernel.org/stable/c/a800701429313149afde18d98821554fbfcb3164
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49483.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-49483
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git