RedHat: RHSA-2021-0818:01 Important: wpa_supplicant security update
Summary
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.
Summary
Solution
For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
References
https://access.redhat.com/security/cve/CVE-2021-27803 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux BaseOS EUS (v. 8.1):
Source:
wpa_supplicant-2.7-2.el8_1.1.src.rpm
aarch64:
wpa_supplicant-2.7-2.el8_1.1.aarch64.rpm
wpa_supplicant-debuginfo-2.7-2.el8_1.1.aarch64.rpm
wpa_supplicant-debugsource-2.7-2.el8_1.1.aarch64.rpm
ppc64le:
wpa_supplicant-2.7-2.el8_1.1.ppc64le.rpm
wpa_supplicant-debuginfo-2.7-2.el8_1.1.ppc64le.rpm
wpa_supplicant-debugsource-2.7-2.el8_1.1.ppc64le.rpm
s390x:
wpa_supplicant-2.7-2.el8_1.1.s390x.rpm
wpa_supplicant-debuginfo-2.7-2.el8_1.1.s390x.rpm
wpa_supplicant-debugsource-2.7-2.el8_1.1.s390x.rpm
x86_64:
wpa_supplicant-2.7-2.el8_1.1.x86_64.rpm
wpa_supplicant-debuginfo-2.7-2.el8_1.1.x86_64.rpm
wpa_supplicant-debugsource-2.7-2.el8_1.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
Topic
An update for wpa_supplicant is now available for Red Hat Enterprise Linux8.1 Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux BaseOS EUS (v. 8.1) - aarch64, ppc64le, s390x, x86_64
Bugs Fixed
1933361 - CVE-2021-27803 wpa_supplicant: Use-after-free in P2P provision discovery processing