6.5

CVE-2023-5158: linux linux_kernel

CVSS: 6.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-5158DEBIAN-CVE-2023-5158
Published 25-09-2023Last modified 27-02-2025
Open JSON

Vulnerability summary

CVE-2023-5158 is a medium (CVSS 6.5) vulnerability in linux linux_kernel. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.7% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · +0.01 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 17
SUSE-SU-2023:4730-1SUSE-SU-2023:4731-1SUSE-SU-2023:4732-1SUSE-SU-2023:4734-1SUSE-SU-2023:4782-1SUSE-SU-2023:4810-1

Timeline

  1. 25-09-2023
    PublishedVulnerability first disclosed.
  2. 27-02-2025
    Last modifiedVulnerability information updated.

Description

A flaw was found in vringh_kiov_advance in drivers/vhost/vringh.c in the host side of a virtio ring in the Linux Kernel. This issue may result in a denial of service from guest to host via zero length descriptor.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

+0.01 pp

From 0.20% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

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

Ubuntu95 products
  • linux< 5.15.0-91.101
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1051.56
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.64-1 | < 6.5.8-1
Linux1 product

3 vendors · 97 products

References

18 links
Show all 18 references