7.8

CVE-2023-52495: linux Out-of-bounds Write

CVSS: 7.8v3.1HighAnalyzed
AliasesUBUNTU-CVE-2023-52495DEBIAN-CVE-2023-52495
Published 29-02-2024Last modified 11-05-2026

Vulnerability summary

CVE-2023-52495 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.4% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.28%
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 6 · Related 9

Timeline

  1. 29-02-2024
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pmic_glink_altmode: fix port sanity check The PMIC GLINK altmode driver currently supports at most two ports. Fix the incomplete port sanity check on notifications to avoid accessing and corrupting memory beyond the port array if we ever get a notification for an unsupported port.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.28%

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

Ubuntu75 products
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.19All versions (No fix recorded)
Linux2 products
  • linux≥ 080b4e24852b1d5b66929f69344e6c3eeb963941, < 532a5557da6892a6b2d5793052e1bce1f4c9e177 | ≥ 080b4e24852b1d5b66929f69344e6c3eeb963941, < d26edf4ee3672cc9828f2a3ffae34086a712574d | ≥ 080b4e24852b1d5b66929f69344e6c3eeb963941, < c4fb7d2eac9ff9bfc35a2e4d40c7169a332416e0 | 6.3
  • linux_kernel≥ 6.3, < 6.6.15 | ≥ 6.7, < 6.7.3
Debian1 product
  • linux< 6.6.15-1

3 vendors · 78 products

References

15 links
Show all 15 references