CVE-2022-49438

low-risk
Published 2025-02-26

In the Linux kernel, the following vulnerability has been resolved: Input: sparcspkr - fix refcount leak in bbc_beep_probe of_find_node_by_path() calls of_find_node_opts_by_path(), which returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Do I need to act?

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0.06% 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 (9)

Patch https://git.kernel.org/stable/c/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7
Patch https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591
Patch https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe
Patch https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13
Patch https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc
Patch https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08
Patch https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da
Patch https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f
Patch https://git.kernel.org/stable/c/f13064b0f2c651a3fbb0749932795c6fd21556a8
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal