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 не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix improper freeing of purex item In qla2xxx_process_purls_iocb(), an item is allocated via qla27xx_copy_multiple_pkt(), which internally calls qla24xx_alloc_purex_item(). The qla24xx_alloc_purex_item() function may return a pre-allocated item from a per-adapter pool for small allocations, instead of dynamically allocating memory with kzalloc(). An error handling path in qla2xxx_process_purls_iocb() incorrectly uses kfree() to release the item. If the item was from the pre-allocated pool, calling kfree() on it is a bug that can lead to memory corruption. Fix this by using the correct deallocation function, qla24xx_free_purex_item(), which properly handles both dynamically allocated and pre-allocated items.
Засегнати продукти
- Linux Linux: 875386b98857822b77ac7f95bdf367b70af5b78c преди 4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9; 875386b98857822b77ac7f95bdf367b70af5b78c преди 8e9f0a0717ba31d5842721627ade1e62d7aec012; 875386b98857822b77ac7f95bdf367b70af5b78c преди cfe3e2f768d248fd3d965d561d0768a56dd0b9f8; 875386b98857822b77ac7f95bdf367b70af5b78c преди 5fa1c8226b4532ad7011d295d3ab4ad45df105ae; 875386b98857822b77ac7f95bdf367b70af5b78c преди 78b1a242fe612a755f2158fd206ee6bb577d18ca
- Linux Linux: 6.6; преди 6.6; 6.6.120 до 6.6.*; 6.12.63 до 6.12.*; 6.17.13 до 6.17.*; 6.18.2 до 6.18.*; от 6.19 нататък
История
- 24 декември 2025 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2025-68741
- https://nvd.nist.gov/vuln/detail/CVE-2025-68741
- https://git.kernel.org/stable/c/4bccd506a1f1ab01d1f45b2a3effff6bedc73cf9
- https://git.kernel.org/stable/c/8e9f0a0717ba31d5842721627ade1e62d7aec012
- https://git.kernel.org/stable/c/cfe3e2f768d248fd3d965d561d0768a56dd0b9f8
- https://git.kernel.org/stable/c/5fa1c8226b4532ad7011d295d3ab4ad45df105ae
- https://git.kernel.org/stable/c/78b1a242fe612a755f2158fd206ee6bb577d18ca