CVE-2026-23441
MediumCVSS 4.7Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
In the mlx5e driver in the Linux kernel, a race condition exists when accessing the ASO context for IPsec because the spinlock is released before WQE completion, allowing overwriting of the shared DMA context.
Risk Assessment
The race condition can lead to unexpected behavior and incorrect results in IPsec operations, potentially compromising data integrity.
Recommendation
Apply the Linux kernel patch that introduces a private context per IPsec object, copied while holding the lock.
Original NVD description (English source)
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent concurrent access to IPSec ASO context The query or updating IPSec offload object is through Access ASO WQE. The driver uses a single mlx5e_ipsec_aso struct for each PF, which contains a shared DMA-mapped context for all ASO operations. A race condition exists because the ASO spinlock is released before the hardware has finished processing WQE. If a second operation is initiated immediately after, it overwrites the shared context in the DMA area. When the first operation's completion is processed later, it reads this corrupted context, leading to unexpected behavior and incorrect results. This commit fixes the race by introducing a private context within each IPSec offload object. The shared ASO context is now copied to this private context while the ASO spinlock is held. Subsequent processing uses this saved, per-object context, ensuring its integrity is maintained.