drm/meson: fix shutdown crash when component not probed
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/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000038 ... pc : meson_drv_shutdown+0x24/0x50 lr : platform_drv_shutdown+0x20/0x30 ... Call trace: meson_drv_shutdown+0x24/0x50 platform_drv_shutdown+0x20/0x30 device_shutdown+0x158/0x360 kernel_restart_prepare+0x38/0x48 kernel_restart+0x18/0x68 __do_sys_reboot+0x224/0x250 __arm64_sys_reboot+0x24/0x30 ... Simply check if the priv struct has been allocated before using it.
Why it matters now
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 | 4.14.226 to before 4.14.235; 4.19.181 to before 4.19.193; 5.4.106 to before 5.4.124; 5.10.24 to before 5.10.42; 5.11.7 to before 5.12 | 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12 | Patch available | CNA |
| Linux | Linux | 5.12 and later | 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12.9, 5.13 | Patch available | CNA |
- Linux VendorLinux Affected 4.14.226 to before 4.14.235; 4.19.181 to before 4.19.193; 5.4.106 to before 5.4.124; 5.10.24 to before 5.10.42; 5.11.7 to before 5.12 Fixed in 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12 Patch available CNA
- Linux VendorLinux Affected 5.12 and later Fixed in 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12.9, 5.13 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.14.226 to before 4.14.235; 4.19.181 to before 4.19.193; 5.4.106 to before 5.4.124; 5.10.24 to before 5.10.42; 5.12 to before 5.12.9 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* | 5.13 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* | 5.13 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* | 5.13 rc3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.14.226 to before 4.14.235; 4.19.181 to before 4.19.193; 5.4.106 to before 5.4.124; 5.10.24 to before 5.10.42; 5.12 to before 5.12.9 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* Versions 5.13 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* Versions 5.13 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* Versions 5.13 rc3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12
- Fix · CNA Linux (Linux) Fixed in 4.14.235, 4.19.193, 5.4.124, 5.10.42, 5.12.9, 5.13
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-2021-47165
- 2026-10-03 Alias added: GHSA-rfpv-q7vr-v94r
References
Patch 6
- https://git.kernel.org/stable/c/b4298d33c1fcce511ffe84d8d3de07e220300f9b
- https://git.kernel.org/stable/c/e256a0eb43e17209e347409a80805b1659398d68
- https://git.kernel.org/stable/c/4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0
- https://git.kernel.org/stable/c/d66083c0d6f5125a4d982aa177dd71ab4cd3d212
- https://git.kernel.org/stable/c/b4b91033a0b11fe9ade58156cd9168f89f4a8c1a
- https://git.kernel.org/stable/c/7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2
More Linux Kernel vulnerabilities
- 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
Sources
- CVE-2021-47165 · CVE Program
- CVE-2021-47165 · NVD
- FIRST EPSS
- GHSA-rfpv-q7vr-v94r · GitHub Advisory Database · CC BY 4.0
- CVE-2021-47165 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences