7.1

CVE-2026-23315: linux Out-of-bounds Read

CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2026-23315DEBIAN-CVE-2026-23315
Published 25-03-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-23315 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.13% chance of exploitation in the next 30 days, higher than 2% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.13%
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 18 · Related 16
MGASA-2026-0097MGASA-2026-0098SUSE-SU-2026:21834-1SUSE-SU-2026:2238-1USN-8567-1USN-8574-1

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix possible oob access in mt76_connac2_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt76_connac2_mac_write_txwi_80211 in order to avoid a possible oob access. [fix check to also cover mgmt->u.action.u.addba_req.capab, correct Fixes tag]

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.13%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.13% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.13%

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

Ubuntu145 products
  • linuxAll versions (No fix recorded) | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 84419556359bc96d3fe1623d47a64c86542566cc | ≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 7ae7b093b7dba9548a3bc4766b9364b97db4732d | ≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 7b692dff8df0ba5feb8df00f27d906d6eb1fe627 | ≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 9612d91f617231e03c49cb9b0c02f975a3b4f51f | ≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 0fb3b94a9431a3800717e5c3b6fa2e1045a15029 | ≥ 577dbc6c656da6997dddc6cf842b7954588f2d4e, < 4e10a730d1b511ff49723371ed6d694dd1b2c785 | 5.10
  • linux_kernel≥ 5.10.1, < 6.1.167 | ≥ 6.2, < 6.6.130 | ≥ 6.7, < 6.12.77 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 5.10 | 7.0:rc1 | 7.0:rc2 | 7.0:rc3 | 7.0:rc4 | 7.0:rc5 | 7.0:rc6 | 7.0:rc7
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.8-1

3 vendors · 148 products

References

26 links
Show all 26 references