Vulnerability-Lookup

OPENSUSE-SU-2026:21360-1

Vulnerability from csaf_opensuse - Published: 2026-07-15 16:44 - Updated: 2026-07-15 16:44

Summary

Security update for hostapd

Severity

Important

Notes

Title of the patch: Security update for hostapd

Description of the patch: This update for hostapd fixes the following issues: Changes in hostapd: - CVE-2026-58374: Missing multi-link parsing validation in wpa_supplicant and hostapd (bsc#1269892)

Patchnames: openSUSE-Leap-16.0-packagehub-423

CVE-2026-58374

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Recommended 4 products

Product	Version	Remediation
Unresolved product id: openSUSE Leap 16.0:hostapd-2.11-bp160.3.1.aarch64	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:hostapd-2.11-bp160.3.1.ppc64le	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:hostapd-2.11-bp160.3.1.s390x	—	Vendor Fix
Unresolved product id: openSUSE Leap 16.0:hostapd-2.11-bp160.3.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

6 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/o…	self
https://bugzilla.suse.com/1269892	self
https://www.suse.com/security/cve/CVE-2026-58374/	self
https://www.suse.com/security/cve/CVE-2026-58374	external
https://bugzilla.suse.com/1269892	external

JSON

To clipboard

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}

CVE-2026-58374 (GCVE-0-2026-58374)

Vulnerability from cvelistv5 – Published: 2026-06-30 12:35 – Updated: 2026-06-30 13:38

Summary

In hostapd before 2.12, a missing bounds check in AP-mode Wi-Fi 7 (IEEE 802.11be) Multi-Link Operation (MLO) association request processing allows an unauthenticated attacker within wireless range to send a crafted management frame containing a malformed Multi-Link Element or Per-STA Profile subelement. In hostapd_process_ml_assoc_req() in src/ap/ieee802_11_eht.c, the received link_id field can be parsed as value 15, but the corresponding links[] storage only has valid entries for lower link IDs (0 through 14). This causes an out-of-bounds write / small memory corruption during association processing before the 4-way handshake. The attack does not require network credentials, prior authentication, or user interaction. The confirmed practical impact is denial of service through hostapd process termination. This affects hostapd v2.11 and newer development snapshots before v2.12 when built with CONFIG_IEEE80211BE enabled. The issue is fixed in hostapd v2.12 and the upstream 2026-1 fixes.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-193 - Off-by-one Error

Assigner

mitre

References

5 references

URL	Tags
https://w1.fi/security/2026-1/missing-ml-parsing-…	vendor-advisory
https://w1.fi/security/2026-1/	vendor-advisorypatch
https://git.w1.fi/cgit/hostap/commit/?id=46dd5a4f…	patch
https://git.w1.fi/cgit/hostap/commit/?id=aa9d3458…	patch
https://www.openwall.com/lists/oss-security/2026/…

Impacted products

1 product

Vendor	Product	Version
w1.fi	hostapd	Affected: 0 , < 2.12 (custom)

Show details on NVD website

JSON

To clipboard

{
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        "metrics": [
          {
            "other": {
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                "id": "CVE-2026-58374",
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-30T13:38:17.879838Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

OPENSUSE-SU-2026:21360-1

CVE-2026-58374 (GCVE-0-2026-58374)

Tags

Sightings

Nomenclature