CVE-2022-48863: linux
Vulnerability summary
CVE-2022-48863 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.2% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 15 · Related 15Timeline
- 16-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu94 products
- linuxAll versions (No fix recorded) | < 4.4.0-259.293 | < 4.15.0-229.241 | < 5.4.0-196.216
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.4.0-1136.142 | < 4.4.0-1174.189 | < 4.15.0-1173.186 | < 5.4.0-1133.143
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7, < a3d5fcc6cf2ecbba5a269631092570aa285a24cb | ≥ 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7, < 7777b1f795af1bb43867375d8a776080111aae1b | ≥ 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7, < 640445d6fc059d4514ffea79eb4196299e0e2d0f | ≥ 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7, < c6a502c2299941c8326d029cfc8a3bc8a4607ad5 | 2.6.27
- linux_kernel≥ 2.6.27, < 5.10.106 | ≥ 5.11, < 5.15.29 | ≥ 5.16, < 5.16.15
Debian1 product
- linux< 5.16.18-1
3 vendors · 97 products