Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: In devcom, fix for error flow in mlx5devcomregisterdevice. In the event of a failure in devcom allocation, mlx5 always releases the private memory. However, this private memory might have been allocated by a different...

Linux Distros Unpatched Vulnerability : CVE-2026-80739

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and...

SUSE CVE-2026-80739

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

AZL-99030 CVE-2026-80739 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

UBUNTU-CVE-2026-80739

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739

CVE-2026-80739 affects the Linux kernel 's mlx5_core driver (Mellanox/NVIDIA network hardware), specifically the TC (Traffic Control) offload path in net/mlx5e. When __mlx5e_add_fdb_flow() fails for a peer flow , the cleanup path mlx5e_tc_del_flow() acquires the ESW devcom lock unconditionally wh...

EUVD-2026-70343

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739 net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739 net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

CVE-2026-80739: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5eaddfdbflow fails in lower levels, the flow is deleted via mlx5etcdelflow, and mlx5etcdelflow is acquiring ESW devcom lock without condition. In...

PT-2026-84937

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: TC, Check if flow is PEER before acquiring devcom lock In case mlx5e add fdb flow fails in lower levels, the flow is deleted via mlx5e tc del flow, and mlx5e tc del flow is acquiring ESW devcom lock without condition. ...

CVE-2026-80667 net/mlx5: LAG, MPESW, Fix missing complete() on devcom error

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete on devcom error mlx5mpeswwork returned without calling complete when mlx5laggetdevcomcomp returned NULL. A caller that queued the work and waited on mpesww-comp would block indefinitely...

CVE-2026-80667

CVE-2026-80667 affects the Linux kernel's mlx5 driver (used by Mellanox/NVIDIA ConnectX network adapters), specifically the LAG (Link Aggregation Group) and MPESW (Multi-Packet Steering) subsystem. The root cause is that mlx5_mpesw_work() could return without calling complete() when mlx5_lag_get_...

CVE-2026-80667

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: LAG, MPESW, Fix missing complete on devcom error mlx5mpeswwork returned without calling complete when mlx5laggetdevcomcomp returned NULL. A caller that queued the work and waited on mpesww-comp would block indefinitely...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed a deadlock in the tc route query code The cited commit caused a ABBA deadlock0 when peer flows were created while holding the devcom rw semaphore. Due to the peer flow offload implementation, the lock is taken...

SUSE CVE-2026-68139

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...

CVE-2026-68139

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...

UBUNTU-CVE-2026-68139

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Use sender devcom for MPV master-up After PCIe DPC recovery, mlx5 reloads the affected functions and replays multiport affiliation events. In the reported failure, the first relevant device error was: pcieport...