CVE-2022-48863

low-risk
Published 2024-07-16

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsp_pipeline_build() dsp_pipeline_build() allocates dup pointer by kstrdup(cfg), but then it updates dup variable by strsep(&dup, "|"). As a result when it calls kfree(dup), the dup variable contains NULL. Found by Linux Driver Verification project (linuxtesting.org) with SVACE.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
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 (8)

Patch https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f
Patch https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b
Patch https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb
Patch https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
Patch https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f
Patch https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b
Patch https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb
Patch https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal