EUVD-2026-78203

An authenticated supplicant on an adjacent network may bypass intended network authorization policy and send unrestricted traffic during a brief window milliseconds to seconds between the completion of the authentication phase and the full enforcement of its assigned ACL...

EUVD-2026-78211

A brief milliseconds to seconds traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement...

EUVD-2026-78213

A race condition during supplicant re-authentication may leave a stale ACL entry that persists in the system. If the AclAgent subsequently restarts, this stale entry may be applied to new supplicants, resulting in incorrect access control enforcement. User interaction an AclAgent restart by an...

CVE-2026-77191

An authenticated supplicant on an adjacent network may bypass intended network authorization policy and send unrestricted traffic during a brief window milliseconds to seconds between the completion of the authentication phase and the full enforcement of its assigned ACL...

CVE-2026-75943

A brief milliseconds to seconds traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement...

CVE-2026-75945

A race condition may cause a supplicant to remain in an authorized state after a clear dot1x host all command is issued...

CVE-2026-75945 A race condition may cause a supplicant to remain in an authorized state after a clear dot1x host all command is issued.

A race condition may cause a supplicant to remain in an authorized state after a clear dot1x host all command is issued...

CVE-2026-75944

CVE-2026-75944 is a race condition in Arista EOS 802.1X supplicant re-authentication that may leave a stale ACL entry in the system. If the AclAgent subsequently restarts, the stale entry can be applied to new supplicants, causing incorrect access control enforcement. The vulnerability requires 8...

CVE-2026-75943 A brief (milliseconds to seconds) traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcem

A brief milliseconds to seconds traffic leak may occur when an authenticated supplicant is removed, either via the clear dot1x host all CLI command or due to a supplicant timeout. During this window, the supplicant's traffic may pass without ACL enforcement...

CVE-2026-75943

Arista EOS contains a brief traffic leak (milliseconds to seconds) in 802.1X with ACL-based authorization . When an authenticated supplicant is removed via the clear dot1x host all command or due to a supplicant timeout, its traffic may pass without ACL enforcement due to incomplete cleanup (CWE-...

CVE-2026-77191 All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with 802.1X authentication and authorization enabled and Access Control Lists (ACLs) configured for per-supplicant policy enforcement. An authenticated supplicant on an

An authenticated supplicant on an adjacent network may bypass intended network authorization policy and send unrestricted traffic during a brief window milliseconds to seconds between the completion of the authentication phase and the full enforcement of its assigned ACL...

CVE-2026-77191

CVE-2026-77191 affects Arista EOS with 802.1X authentication and ACL-based per-supplicant authorization configured. When hardware ACL resources reach capacity during bulk authentication, an authenticated supplicant on an adjacent network segment may send unrestricted traffic during a brief window...

Security Advisory 0150

Security Advisory 0150 PDF Date: September 9, 2026 Revision | Date | Changes ---|---|--- 1.0 | September 9, 2026 | Initial release Description All of the CVEs covered in this advisory apply to affected platforms running Arista EOS with 802.1X authentication and authorization enabled and Access...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fixed the kernel panic caused by incorrect error handling. The error path when failing to register devices on the TEE bus contains a bug that leads to kernel panic. The details are as follows: 15.398930 Unable to hand...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop The OP-TEE supplicant is a user-space daemon, and it is possible for it to be hung, crashed, or terminated mid-processing an OP-TEE RPC call. This issue becomes more complex when there is...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100743)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100743 advisory. In the Linux kernel, the following vulnerability has been resolved: tee: optee: prevent use-after-free when the client exits before the supplicant Commit 70b0d6b0a19...

SUSE CVE-2026-64446

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix heap buffer overflow in rtwcfg80211setwpaie supplicantie is a 256-byte array in struct securitypriv. The WPA and WPA2 IE copy paths use: memcpypadapter-securitypriv.supplicantie, &pwpa0, wpaielen + 2; wher...

CVE-2026-64446 staging: rtl8723bs: fix heap buffer overflow in rtw_cfg80211_set_wpa_ie()

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix heap buffer overflow in rtwcfg80211setwpaie supplicantie is a 256-byte array in struct securitypriv. The WPA and WPA2 IE copy paths use: memcpypadapter-securitypriv.supplicantie, &pwpa0, wpaielen + 2; wher...

Linux Distros Unpatched Vulnerability : CVE-2026-53273

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tee: optee: prevent use-after-free when the client exits before the supplicant Commit 70b0d6b0a199 tee: optee: Fix supplicant wait loop made the client wait as...

Linux Kernel TEe Optee Memory Error Reference Vulnerability

The Linux kernel is the core of the Linux operating system, responsible for managing hardware resources and providing system services. The TEE OP-TEE driver in the Linux kernel has a memory error reference vulnerability. This vulnerability arises from the possibility for the client to exit while...