5.5

CVE-2021-47165: drm/meson: fix shutdown crash when component not probed

Analyzed
AliasesUBUNTU-CVE-2021-47165DEBIAN-CVE-2021-47165
Published 25-03-2024Last modified 23-05-2026

Vulnerability summary

CVE-2021-47165 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
SUSE-SU-2024:1454-1SUSE-SU-2024:1465-1SUSE-SU-2024:1489-1SUSE-SU-2024:1643-1SUSE-SU-2024:1646-1SUSE-SU-2024:1870-1

Timeline

  1. 25-03-2024
    PublishedVulnerability first disclosed.
  2. 23-05-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu85 products
  • linux< 4.15.0-151.157 | < 5.4.0-80.90
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1109.116 | < 5.4.0-1054.57
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 8a5160cc8488776ddc48ea045860dab015f47390, < b4298d33c1fcce511ffe84d8d3de07e220300f9b | ≥ 8fbbf2b3849419e31731902d7478b0c934732632, < e256a0eb43e17209e347409a80805b1659398d68 | ≥ d2100ef32a8cfd024bad94f4fbc5e53d40d2b3da, < 4ce2bf20b4a6e307e114847d60b2bf40a6a1fac0 | ≥ d4ec1ffbdaa8939a208656e9c1440742c457ef16, < d66083c0d6f5125a4d982aa177dd71ab4cd3d212 | ≥ fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791, < b4b91033a0b11fe9ade58156cd9168f89f4a8c1a | ≥ fa0c16caf3d73ab4d2e5d6fa2ef2394dbec91791, < 7cfc4ea78fc103ea51ecbacd9236abb5b1c490d2 | cef14d5d92f14a6e282c3216c2da63e05f14758a | ≥ 4.14.226, < 4.14.235 | ≥ 4.19.181, < 4.19.193 | ≥ 5.4.106, < 5.4.124 | ≥ 5.10.24, < 5.10.42 | ≥ 5.11.7, < 5.12 | 5.12
  • linux_kernel≥ 4.14.226, < 4.14.235 | ≥ 4.19.181, < 4.19.193 | ≥ 5.4.106, < 5.4.124 | ≥ 5.10.24, < 5.10.42 | ≥ 5.12, < 5.12.9 | 5.13:rc1 | 5.13:rc2 | 5.13:rc3
Debian1 product
  • linux< 5.14.6-1

3 vendors · 88 products

References

9 links