5.5

CVE-2023-53568: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-53568DEBIAN-CVE-2023-53568
Published 04-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53568 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.4% 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
0.14%
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 16 · Related 15

Timeline

  1. 04-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: s390/zcrypt: don't leak memory if dev_set_name() fails When dev_set_name() fails, zcdn_create() doesn't free the newly allocated resources. Do it.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.14%

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

Ubuntu119 products
  • linux< 5.4.0-169.187 | < 5.15.0-94.104
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1116.126 | < 5.15.0-1053.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 6b0cb9c055843777b374309503d89eabeb769355 | ≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 0878052579cb2773caee64812a811edcab6b5a55 | ≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 131cd74a8e38d75239f2c81dfee53d6554eb8bf8 | ≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 147d8da33a2c2195ec63acd56cd7d80a3458c253 | ≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 174f11ef1615ec3ab1e2189685864433c0d855a2 | ≥ 00fab2350e6b91e57b3cdcd5d9f01056775a921d, < 6252f47b78031979ad919f971dc8468b893488bd | 4.20
  • linux_kernel≥ 4.20, < 5.4.257 | ≥ 5.5, < 5.10.195 | ≥ 5.11, < 5.15.132 | ≥ 5.16, < 6.1.54 | ≥ 6.2, < 6.5.4
Debian1 product
  • linux< 6.1.55-1 | < 6.5.6-1

3 vendors · 122 products

References

10 links