TI-2021-22019 Aliases CVE-2021-47362 GHSA-cc2x-949j-9v5x

drm/amd/pm: Update intermediate power state for SI

LOW 24CWE-476Published 2024-05-21 · Updated 2026-05-23

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.

Summary

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Update intermediate power state for SI Update the current state as boot state during dpm initialization. During the subsequent initialization, set_power_state gets called to transition to the final power state. set_power_state refers to values from the current state and without current state populated, it could result in NULL pointer dereference. For ex: on platforms where PCI speed change is supported through ACPI ATCS method, the link speed of current state needs to be queried before deciding on changing to final power state's link speed. The logic to query ATCS-support was broken on certain platforms. The issue became visible when broken ATCS-support logic got fixed with commit f9b7f3703ff9 ("drm/amdgpu/acpi: make ATPX/ATCS structures global (v2)"). Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1698

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00239 15th percentileScored 2026-11-07

Fix Fixed Linux (Linux): 4.10, 4.15, 4.19 +3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Linux	Linux	4.9.131 to before 4.10; 4.14.74 to before 4.15; 4.18.12 to before 4.19	4.10, 4.15, 4.19	Patch available	CNA
Linux	Linux	4.19 and later	5.10.70, 5.14.9, 5.15	Patch available	CNA

Linux VendorLinux Affected 4.9.131 to before 4.10; 4.14.74 to before 4.15; 4.18.12 to before 4.19 Fixed in 4.10, 4.15, 4.19 Patch available CNA
Linux VendorLinux Affected 4.19 and later Fixed in 5.10.70, 5.14.9, 5.15 Patch available CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:linux:linux_kernel::::::::	before 5.10.70; 5.11 to before 5.14.9	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:5.15:rc1::::::	5.15 rc1	Vulnerable	Linux
cpe:2.3:o:linux:linux_kernel:5.15:rc2::::::	5.15 rc2	Vulnerable	Linux

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10.70; 5.11 to before 5.14.9 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* Versions 5.15 rc1 Vulnerable ·Linux
cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:* Versions 5.15 rc2 Vulnerable ·Linux

Remediation

Fix · CNA Linux (Linux) Fixed in 4.10, 4.15, 4.19
Fix · CNA Linux (Linux) Fixed in 5.10.70, 5.14.9, 5.15

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 4 products

Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9

Timeline

2026-10-02 Threatist record created from CVE-2021-47362
2026-10-03 Alias added: GHSA-cc2x-949j-9v5x

References

Patch 3

TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3

See all 15278 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences