5.5

CVE-2023-53367: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2023-53367DEBIAN-CVE-2023-53367
Published 17-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53367 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.17%
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 10 · Related 10

Timeline

  1. 17-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: accel/habanalabs: fix mem leak in capture user mappings This commit fixes a memory leak caused when clearing the user_mappings info when a new context is opened immediately after user_mapping is captured and a hard reset is performed.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

0.00 pp

From 0.17% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.17%

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

Ubuntu124 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 0feaf86d4e69507ab9b2af7dcc63a6886352d5db, < 973e0890e5264cb075ef668661cad06b67777121 | ≥ 0feaf86d4e69507ab9b2af7dcc63a6886352d5db, < 314a7ffd7c196b27eedd50cb7553029e17789b55 | 5.1
  • linux_kernel≥ 5.1, < 6.4.12
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.4.13-1

3 vendors · 127 products

References

6 links