5.5

CVE-2023-52878: linux Out-of-bounds Read

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-52878DEBIAN-CVE-2023-52878
Published 21-05-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52878 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 13.6% 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
0.24%
0%100%
Low · +0.02 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 11

Timeline

  1. 21-05-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds If the "struct can_priv::echoo_skb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning message and return with an error.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

+0.02 pp

From 0.22% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.24%

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

Ubuntu116 products
  • linuxAll versions (No fix recorded) | < 5.15.0-100.110
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1056.61
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ a6e4bc5304033e434fabccabb230b8e9ff55d76f, < 826120c9ba68f2d0dbae58e99013929c883d1444 | ≥ a6e4bc5304033e434fabccabb230b8e9ff55d76f, < 0d30931f1fa0fb893fb7d5dc32b6b7edfb775be4 | ≥ a6e4bc5304033e434fabccabb230b8e9ff55d76f, < 53c468008a7c9ca3f5fc985951f35ec2acae85bc | ≥ a6e4bc5304033e434fabccabb230b8e9ff55d76f, < 8ab67da060157362b2e0926692c659808784708f | ≥ a6e4bc5304033e434fabccabb230b8e9ff55d76f, < 6411959c10fe917288cbb1038886999148560057 | 2.6.33
  • linux_kernel≥ 2.6.33, < 5.15.139 | ≥ 5.16, < 6.1.63 | ≥ 6.2, < 6.5.12 | ≥ 6.6, < 6.6.2
Debian1 product
  • linux< 6.1.64-1 | < 6.5.13-1

3 vendors · 119 products

References

9 links