UBUNTU-CVE-2022-48863
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.
02 / AFFECTED SOFTWARE
Affected packages
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
- 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://ubuntu.com/security/CVE-2022-48863
- https://ubuntu.com/security/notices/USN-7022-1
- https://ubuntu.com/security/notices/USN-7022-2
- https://ubuntu.com/security/notices/USN-7022-3
- https://ubuntu.com/security/notices/USN-7028-1
- https://ubuntu.com/security/notices/USN-7028-2
- https://ubuntu.com/security/notices/USN-7039-1
- https://ubuntu.com/security/notices/USN-7119-1
- https://www.cve.org/CVERecord?id=CVE-2022-48863