5.5

CVE-2026-23290: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-23290DEBIAN-CVE-2026-23290
Published 25-03-2026Last modified 15-10-2026

Vulnerability summary

CVE-2026-23290 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2.2% 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
0.13%
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 31 · Related 29

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: usb: pegasus: validate USB endpoints The pegasus driver should validate that the device it is probing has the proper number and types of USB endpoints it is expecting before it binds to it. If a malicious device were to not have the same urbs the driver will crash later on when it blindly accesses these endpoints.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.13%

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

No weakness data has been published for this record.

Affected systems

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d5d9086211877361f1bda44a0aec538ddb04042a | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < af7369ae572f53cb701731a4289ec3b3889bc501 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 43d7c4114b1ec14f41f09306525d3b9382286fc1 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 7f8505c7ce3f186ef9d2495f3c0bd6ad6fce999f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 95556b4e879711693c9865ba0938c148f62d5ea4 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < c3f1672eaea68c5cb6e1ec081cdb92045453218f | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ee31ec8cf1eafeefa85ef934ba688d27f88bf0e2 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 11de1d3ae5565ed22ef1f89d73d8f2d00322c699 | 2.6.12
  • linux_kernel≥ 2.6.12.1, < 5.10.253 | ≥ 5.11, < 5.15.203 | ≥ 5.16, < 6.1.167 | ≥ 6.2, < 6.6.130 | ≥ 6.7, < 6.12.77 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 2.6.12 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5 | 7.0:rc1
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.8-1

3 vendors · 160 products

References

44 links
Show all 44 references