Description
A vulnerability was discovered in how p2p/p2p_pd.c in wpa_supplicant before 2.10 processes P2P (Wi-Fi Direct) provision discovery requests. It could result in denial of service or other impact (potentially execution of arbitrary code), for an attacker within radio range.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wpa | 2:2.9.0-21 | — |
| Debian 13 | wpa | 2:2.9.0-21 | — |
| Debian 12 | wpa | 2:2.9.0-21 | — |
| Debian 10 | wpa | 2:2.7+git20190128+0c1e29f-6+deb10u3 | DSA-4898-1 |
| Debian 9 | wpa | 2:2.4-1+deb9u9 | DLA-2581-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | wpa | 2:2.9-1ubuntu4.3 | USN-4757-1 |
| Ubuntu 18.04 LTS | wpa | 2:2.6-15ubuntu2.8 | USN-4757-1 |
| Ubuntu 16.04 LTS | wpa | 2.4-0ubuntu6.8 | USN-4757-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | wpa | 2.1-0ubuntu1.7+esm4 | USN-4757-2 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | wpa_supplicant | 1:2.9-2.el8_3.1 | RHSA-2021:0809 |
| RHEL 7 | wpa_supplicant | 1:2.6-12.el7_9.2 | RHSA-2021:0808 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8.2 EUS | wpa_supplicant | 1:2.9-2.el8_2.1 | RHSA-2021:0816 |
| RHEL 8.1 EUS | wpa_supplicant | 1:2.7-2.el8_1.1 | RHSA-2021:0818 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLES 15 SP1 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLES 15 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLES 12 SP5 | wpa_supplicant | 2.9-23.9.2 | SUSE-SU-2021:0720-1 |
| SLES 12 SP4 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
Show 20 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SLES 12 SP2 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SLES for SAP 15 SP1 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLES for SAP 15 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLES for SAP 12 SP5 | wpa_supplicant | 2.9-23.9.2 | SUSE-SU-2021:0720-1 |
| SLES for SAP 12 SP4 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SLES for SAP 12 SP3 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SLES for SAP 12 SP2 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SLE HPC 15 SP1 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SLE HPC 15 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SUSE OpenStack Cloud Crowbar 9 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE OpenStack Cloud Crowbar 8 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE OpenStack Cloud 9 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE OpenStack Cloud 8 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE OpenStack Cloud 7 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE Manager Server 4.0 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SUSE Manager Retail Branch Server 4.0 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SUSE Manager Proxy 4.0 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
| SUSE HPE Helion OpenStack 8 | wpa_supplicant | 2.6-15.16.1 | SUSE-SU-2021:0745-1 |
| SUSE Enterprise Storage 6 | wpa_supplicant | 2.9-4.26.1 | SUSE-SU-2021:0721-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wpa_supplicant | 2.9-13.4 | openSUSE-SU-2024:11515-1 |
| openSUSE Leap 15.2 | wpa_supplicant | 2.9-lp152.8.9.1 | openSUSE-SU-2021:0404-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.23 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.22 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.21 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.20 | wpa_supplicant | 2.9-r12 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.18 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.17 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.16 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.15 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.14 | wpa_supplicant | 2.9-r12 | — |
| Alpine v3.13 | wpa_supplicant | 2.9-r10 | — |
| Alpine v3.12 | wpa_supplicant | 2.9-r7 | — |
| Alpine v3.11 | wpa_supplicant | 2.9-r7 | — |
| Alpine v3.10 | wpa_supplicant | 2.8-r5 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | wpa_supplicant | 1:2.6-12.amzn2.2.1 | ALAS2-2021-1624 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | wpa_supplicant | 2.9-4 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | wpa_supplicant | 1:2.9-2.el8_3.1 | ELSA-2021-0809 |
| Oracle Linux 7 | wpa_supplicant | 1:2.6-12.0.2.el7_9.2 | ELSA-2021-0808 |
Advisories 16
- RHSA-2021:0808 Red Hat Security Advisory: wpa_supplicant security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-4898-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2581-1 wpa - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-4757-1 wpa vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- USN-4757-2 wpa vulnerability Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2021:0720-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11515-1 wpa_supplicant-2.9-13.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0745-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0404-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0721-1 Security update for wpa_supplicant SUSE / openSUSE Security Updates · Feb 4, 2026
- RHSA-2021:0818 Red Hat Security Advisory: wpa_supplicant security update Red Hat Security Advisories (RHSA) · Dec 19, 2025
- RHSA-2021:0816 Red Hat Security Advisory: wpa_supplicant security update Red Hat Security Advisories (RHSA) · Dec 19, 2025
- RHSA-2021:0809 Red Hat Security Advisory: wpa_supplicant security update Red Hat Security Advisories (RHSA) · Dec 19, 2025
- ALAS2-2021-1624 Important: wpa_supplicant security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 25, 2021
- ELSA-2021-0808 Important: wpa_supplicant security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 12, 2021
- ELSA-2021-0809 Important: wpa_supplicant security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Mar 11, 2021
References
- https://www.openwall.com/lists/oss-security/2021/02/25/3
- https://w1.fi/security/2021-1/wpa_supplicant-p2p-provision-discovery-processing-vulnerability.txt
- https://w1.fi/security/2021-1/0001-P2P-Fix-a-corner-case-in-peer-addition-based-on-PD-R.patch
- [oss-security] 20210227 Re: wpa_supplicant P2P provision discovery processing vulnerability mailing-list
- FEDORA-2021-3430f96019 vendor-advisory
- [debian-lts-announce] 20210302 [SECURITY] [DLA 2581-1] wpa security update mailing-list
- FEDORA-2021-99cad2b81f vendor-advisory
- FEDORA-2021-9b00febe54 vendor-advisory
- DSA-4898 vendor-advisory