The vulnerability of the xfrm_alloc_spi() function in the net/xfrm/xfrm_state.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the xfrmallocspi function in the net/xfrm/xfrmstate.c module, which implements networking functions in the Linux kernel, is related to insufficient checks for data uniqueness during searches. Exploiting this vulnerability could allow an attacker to compromise the...

CVE-2025-39965

The CVE-2025-39965 vulnerability affects the Linux kernel XFRM stack: xfrm_alloc_spi may create states with SPI set to 0 (meaning “no SPI assigned”) due to the behavior change from commit 94f39804d891, and __xfrm_state_delete fails to remove those states from the byspi list. This leads to a use-a...