CVE-2023-53347

CVE-2023-53347 (Linux kernel, net/mlx5e offloads): The issue arises from incorrect ordering between E-switch unpairing and uplink vport unload when switching modes or removing devices, causing a use-after-free during peer-flow cleanup and a kernel oops. The fix is to handle pairing of the E-switc...

PT-2025-38557

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.17.0-rc2-virtme-g2a89cb21162c through 6.17.0-rc2-virtmne-g6ee90cb26014 Description A null pointer dereference NPD issue was identified in the vxlan module when using nexthop objects with the "proxy" option enabled. This...

PT-2025-38558

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability exists in the Linux kernel related to VXLAN FDB entries. Specifically, when learning is enabled, an incoming packet attempting to refresh an FDB entry pointing to an FDB...

Important: kernel-livepatch-6.12.30-34.92

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races CVE-2025-38037 Affected Packages: kernel-livepatch-6.12.30-34.92 Issue Correction: Please ensure you have live patching enabled. Run dnf update kernel-livepatch-6.12.30-34.92...

CVE-2025-38037

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

CVE-2025-38037

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

AZL-64022 CVE-2025-38037 affecting package kernel for versions less than 6.6.96.1-1

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

UBUNTU-CVE-2025-38037

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

CVE-2025-38037

The CVE-2025-38037 issue affects the Linux kernel’s VXLAN FDB handling. The root cause is a data race where the FDB entry’s fields used and updated may be concurrently accessed by multiple threads, triggering KCSAN reports in vxlan_xmit paths. The fix is to annotate these accesses with READ_ONCE(...

CVE-2025-38037 vxlan: Annotate FDB data races

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

CVE-2025-38037 vxlan: Annotate FDB data races

In the Linux kernel, the following vulnerability has been resolved: vxlan: Annotate FDB data races The 'used' and 'updated' fields in the FDB entry structure can be accessed concurrently by multiple threads, leading to reports such as 1. Can be reproduced using 2. Suppress these reports by...

CVE-2025-37921

In the Linux kernel, the following vulnerability has been resolved: vxlan: vnifilter: Fix unlocked deletion of default FDB entry When a VNI is deleted from a VXLAN device in 'vnifilter' mode, the FDB entry associated with the default remote assuming one was configured is deleted without holding t...

CVE-2025-37921

The CVE-2025-37921 entry covers a Linux kernel VXLAN vnifilter issue where deleting a VNI could remove the default FDB entry without holding the hash lock. Root cause: unlocked deletion of the default FDB entry when a VNI is removed from a VXLAN device in vnifilter mode. Impact: described warning...

CVE-2025-37921 vxlan: vnifilter: Fix unlocked deletion of default FDB entry

In the Linux kernel, the following vulnerability has been resolved: vxlan: vnifilter: Fix unlocked deletion of default FDB entry When a VNI is deleted from a VXLAN device in 'vnifilter' mode, the FDB entry associated with the default remote assuming one was configured is deleted without holding t...

CVE-2025-37921 vxlan: vnifilter: Fix unlocked deletion of default FDB entry

In the Linux kernel, the following vulnerability has been resolved: vxlan: vnifilter: Fix unlocked deletion of default FDB entry When a VNI is deleted from a VXLAN device in 'vnifilter' mode, the FDB entry associated with the default remote assuming one was configured is deleted without holding t...

CVE-2025-37864

In the Linux kernel, the following vulnerability has been resolved: net: dsa: clean up FDB, MDB, VLAN entries on unbind As explained in many places such as commit b117e1e8a86d "net: dsa: delete dsalegacyfdbadd and dsalegacyfdbdel", DSA is written given the assumption that higher layers have...

CVE-2025-37864

CVE-2025-37864 relates to the Linux kernel DSA subsystem: a cleanup path for FDB, MDB and VLAN entries on unbind was added to fix a scenario where bridge bypass operations could leave stale entries and trigger a leak/warn on unbind. The vulnerability stems from the assumption that higher layers b...

CVE-2025-37864 net: dsa: clean up FDB, MDB, VLAN entries on unbind

In the Linux kernel, the following vulnerability has been resolved: net: dsa: clean up FDB, MDB, VLAN entries on unbind As explained in many places such as commit b117e1e8a86d "net: dsa: delete dsalegacyfdbadd and dsalegacyfdbdel", DSA is written given the assumption that higher layers have...

CVE-2025-37864 net: dsa: clean up FDB, MDB, VLAN entries on unbind

In the Linux kernel, the following vulnerability has been resolved: net: dsa: clean up FDB, MDB, VLAN entries on unbind As explained in many places such as commit b117e1e8a86d "net: dsa: delete dsalegacyfdbadd and dsalegacyfdbdel", DSA is written given the assumption that higher layers have...

SUSE CVE-2025-21970

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Bridge, fix the crash caused by LAG state check When removing LAG device from bridge, NETDEVCHANGEUPPER event is triggered. Driver finds the lower devices PFs to flush all the offloaded entries. And mlx5lagissharedfdb i...