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Fencer Intel
medium 5.9

CVE-2021-36987 json

There is a issue that nodes in the linked list being freed for multiple times in Huawei Smartphone due to race conditions.

published 5y ago modified 4mo ago also EUVD-2021-23563

cvss
5.9
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits
0
none known

Summary

There is a issue that nodes in the linked list being freed for multiple times in Huawei Smartphone due to race conditions. Successful exploitation of this vulnerability can cause the system to restart.

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Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Affected products

  • Huawei EMUI
  • Huawei Magic UI

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.