CVE-2021-47054

low-risk
Published 2024-02-29

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro for_each_available_child_of_node() and should be decremented manually if the loop is broken in loop body.

Do I need to act?

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0.01% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Linux

References (16)

Patch https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be
Patch https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8
Patch https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c
Patch https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391
Patch https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9
Patch https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4
Patch https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8
Patch https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2
Patch https://git.kernel.org/stable/c/00f6abd3509b1d70d0ab0fbe65ce5685cebed8be
Patch https://git.kernel.org/stable/c/3a76ec28824c01b57aa1f0927841d75e4f167cb8
Patch https://git.kernel.org/stable/c/6b68c03dfc79cd95a58dfd03f91f6e82829a1b0c
Patch https://git.kernel.org/stable/c/94810fc52925eb122a922df7f9966cf3f4ba7391
Patch https://git.kernel.org/stable/c/a399dd80e697a02cfb23e2fc09b87849994043d9
Patch https://git.kernel.org/stable/c/a6191e91c10e50bd51db65a00e03d02b6b0cf8c4
Patch https://git.kernel.org/stable/c/ac6ad7c2a862d682bb584a4bc904d89fa7721af8
Patch https://git.kernel.org/stable/c/c6f8e0dc8da1cd78d640dee392071cc2326ec1b2
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal