5.5

CVE-2022-48863: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-48863DEBIAN-CVE-2022-48863
Published 16-07-2024Last modified 11-05-2026

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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 15 · Related 15

Timeline

  1. 16-07-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last 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

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

19-09-202619-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

References

15 links
Show all 15 references