CVE-2022-48863: mISDN: Fix memory leak in dsp_pipeline_build()
First published: Tue Jul 16 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=2.6.27<5.10.106 | |
| Linux Linux kernel | >=5.11<5.15.29 | |
| Linux Linux kernel | >=5.16<5.16.15 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.7-1 6.11.9-1 |
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Reference Links
- https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f
- https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b
- https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb
- https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-48863
- https://nvd.nist.gov/vuln/detail/CVE-2022-48863
- https://launchpad.net/bugs/cve/CVE-2022-48863
- https://security-tracker.debian.org/tracker/CVE-2022-48863
- https://ubuntu.com/security/CVE-2022-48863
- https://git.kernel.org/linus/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
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