- Issued:
- 2021-03-10
- Updated:
- 2021-03-10
RHSA-2021:0808 - Security Advisory
Synopsis
Important: wpa_supplicant security update
Type/Severity
Security Advisory: Important
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
An update for wpa_supplicant is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Description
The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.
Security Fix(es):
- wpa_supplicant: Use-after-free in P2P provision discovery processing (CVE-2021-27803)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
For details on how to apply this update, which includes the changes described in this advisory, refer to:
Affected Products
- Red Hat Enterprise Linux Server 7 x86_64
- Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
- Red Hat Enterprise Linux Workstation 7 x86_64
- Red Hat Enterprise Linux Desktop 7 x86_64
- Red Hat Enterprise Linux for IBM z Systems 7 s390x
- Red Hat Enterprise Linux for Power, big endian 7 ppc64
- Red Hat Enterprise Linux for Scientific Computing 7 x86_64
- Red Hat Enterprise Linux for Power, little endian 7 ppc64le
- Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x
Fixes
- BZ - 1933361 - CVE-2021-27803 wpa_supplicant: Use-after-free in P2P provision discovery processing
CVEs
Red Hat Enterprise Linux Server 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
x86_64 | |
wpa_supplicant-2.6-12.el7_9.2.x86_64.rpm | SHA-256: 7a646cbb4e360e3404a0e079f2fd5a44fa2a28af425168bebecbfc30c76f355a |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.x86_64.rpm | SHA-256: ba696bb7150057c1266eb786988b6c8c5a1d5e024f7931381dedfc693ac1a4b2 |
Red Hat Enterprise Linux Server - Extended Life Cycle Support 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
x86_64 | |
wpa_supplicant-2.6-12.el7_9.2.x86_64.rpm | SHA-256: 7a646cbb4e360e3404a0e079f2fd5a44fa2a28af425168bebecbfc30c76f355a |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.x86_64.rpm | SHA-256: ba696bb7150057c1266eb786988b6c8c5a1d5e024f7931381dedfc693ac1a4b2 |
Red Hat Enterprise Linux Workstation 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
x86_64 | |
wpa_supplicant-2.6-12.el7_9.2.x86_64.rpm | SHA-256: 7a646cbb4e360e3404a0e079f2fd5a44fa2a28af425168bebecbfc30c76f355a |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.x86_64.rpm | SHA-256: ba696bb7150057c1266eb786988b6c8c5a1d5e024f7931381dedfc693ac1a4b2 |
Red Hat Enterprise Linux Desktop 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
x86_64 | |
wpa_supplicant-2.6-12.el7_9.2.x86_64.rpm | SHA-256: 7a646cbb4e360e3404a0e079f2fd5a44fa2a28af425168bebecbfc30c76f355a |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.x86_64.rpm | SHA-256: ba696bb7150057c1266eb786988b6c8c5a1d5e024f7931381dedfc693ac1a4b2 |
Red Hat Enterprise Linux for IBM z Systems 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
s390x | |
wpa_supplicant-2.6-12.el7_9.2.s390x.rpm | SHA-256: c5d8d53a174f05a92995cf40a96ea7df8dd8d4835b78a7752709cc2602d50723 |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.s390x.rpm | SHA-256: 2d22f0dd3ec203b13e0ed7dcd91fd4ba636d7291c901aab28cb17fa4c5d1d014 |
Red Hat Enterprise Linux for Power, big endian 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
ppc64 | |
wpa_supplicant-2.6-12.el7_9.2.ppc64.rpm | SHA-256: 2baec3796d4682ba80e3de55286224354ec4e6fe5a89cf91520e2e240b817782 |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.ppc64.rpm | SHA-256: 1eb1fdeca23bfa52af6e573e0bee5a9f437e545ff4a3c3e38456488c32fb22f7 |
Red Hat Enterprise Linux for Scientific Computing 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
x86_64 | |
wpa_supplicant-2.6-12.el7_9.2.x86_64.rpm | SHA-256: 7a646cbb4e360e3404a0e079f2fd5a44fa2a28af425168bebecbfc30c76f355a |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.x86_64.rpm | SHA-256: ba696bb7150057c1266eb786988b6c8c5a1d5e024f7931381dedfc693ac1a4b2 |
Red Hat Enterprise Linux for Power, little endian 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
ppc64le | |
wpa_supplicant-2.6-12.el7_9.2.ppc64le.rpm | SHA-256: ab9fa1a8c00894371c1229ebda52a9c8e8931bb16007cc54369089e5de80fb64 |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.ppc64le.rpm | SHA-256: e3852442935033c9e99feab09ebced7a15def30631af2d48b1af680a795ac692 |
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7
SRPM | |
---|---|
wpa_supplicant-2.6-12.el7_9.2.src.rpm | SHA-256: 5604a8bc0f5521d313cb884e250723a9cd0dafe621a02bec5877804cf3c52149 |
s390x | |
wpa_supplicant-2.6-12.el7_9.2.s390x.rpm | SHA-256: c5d8d53a174f05a92995cf40a96ea7df8dd8d4835b78a7752709cc2602d50723 |
wpa_supplicant-debuginfo-2.6-12.el7_9.2.s390x.rpm | SHA-256: 2d22f0dd3ec203b13e0ed7dcd91fd4ba636d7291c901aab28cb17fa4c5d1d014 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.