CVE-2022-48863mISDN: Fix memory leak in dsp_pipeline_build()
- 5.5MediumCVSS base score
- 0.25%Exploitation in 30 daysEPSS · top 84% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
Published
- 22 months later
· 22 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 84% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 – < a3d5fcc6cf2ecbba5a269631092570aa285a24cb
- affected 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 – < 7777b1f795af1bb43867375d8a776080111aae1b
- affected 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 – < 640445d6fc059d4514ffea79eb4196299e0e2d0f
- affected 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 – < c6a502c2299941c8326d029cfc8a3bc8a4607ad5
- affected 2.6.27
- unaffected < 2.6.27
- unaffected 5.10.106 – ≤ 5.10.*
- unaffected 5.15.29 – ≤ 5.15.*
- unaffected 5.16.15 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References
References4
- https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-53742 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-48863)Record last updated .