CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix UMR XLT cleanup on ODP populate failure mlx5r_umr_update_xlt() allocates and DMA maps an XLT buffer with mlx5r_umr_create_xlt(). The buffer is released by the common cleanup path through mlx5r_umr_unmap_free_xlt(). After mlx5_odp_populate_xlt() became fallible, its error path returned directly and skipped that cleanup. This leaks the XLT DMA mapping and buffer. If the emergency XLT page was used, it also leaves xlt_emergency_page_mutex locked. Break out of the loop so execution falls through the existing cleanup path.
Засегнати продукти
- Linux Linux: 1efe8c0670d6a6883faa09c9abc746c741f5664a преди ffa85a2c197935ace6f1634ad9eb0a44bc615670; 1efe8c0670d6a6883faa09c9abc746c741f5664a преди 9619909d4869afe720904c6888a289b9ac3055b8; 1efe8c0670d6a6883faa09c9abc746c741f5664a преди 1eae35b37923cb71b0cb5136d00671440d488b9f
- Linux Linux: 6.16; преди 6.16; 6.18.40 до 6.18.*; 7.1.5 до 7.1.*; от 7.2 нататък
История
- 15 август 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-74396
- https://nvd.nist.gov/vuln/detail/CVE-2026-74396
- https://git.kernel.org/stable/c/ffa85a2c197935ace6f1634ad9eb0a44bc615670
- https://git.kernel.org/stable/c/9619909d4869afe720904c6888a289b9ac3055b8
- https://git.kernel.org/stable/c/1eae35b37923cb71b0cb5136d00671440d488b9f