8.8

CVE-2023-7356: Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID

Received
AliasesDEBIAN-CVE-2023-7356UBUNTU-CVE-2023-7356
Published 21-10-2026Last modified 26-10-2026

Vulnerability summary

CVE-2023-7356 is a high (CVSS 8.8) vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 8.8, adjacent network); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · Change unavailable
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
SUSE-SU-2026:5091-1

Timeline

  1. 21-10-2026
    PublishedVulnerability first disclosed.
  2. 26-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID Copy the content of a Periodic Advertisement Report to BASE only if the service UUID is Basic Audio Announcement Service UUID.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

22-10-202605-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu169 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)
Debian1 product
  • linux< 6.1.180-1 | < 6.7.7-1
Linux1 product
  • linux≥ e4cfffb5ebc80820f46cf16a6fa5be1b436bdf2d, < ba25efe15e8fd909884e113a86c6ccd07d88256e | ≥ 9c0826310bfb784c9bac7d1d9454e304185446c5, < 927ef409f713929dea2b9a5ed5bb65e712be0050 | ≥ 9c0826310bfb784c9bac7d1d9454e304185446c5, < f4da3ee15de9944482382181329bb6d7335ca003 | ≥ 6.1.159, < 6.1.178 | 6.6

3 vendors · 171 products

References

6 links