5.5

CVE-2022-48863

mISDN: Fix memory leak in dsp_pipeline_build()

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 2.6.27 < 5.10.106
LinuxLinux Kernel Version >= 5.11 < 5.15.29
LinuxLinux Kernel Version >= 5.16 < 5.16.15
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.157
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

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