CVE-2026-64436: linux kernel from 2.6.21 (inclusive), before 5.10.261 (exclusive), from 5.11 (inclusive), before 5.15.212 (exclusive)…

Affected technology

linux kernel · from 2.6.21 (inclusive), before 5.10.261 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.212 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.178 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.145 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.96 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.39 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.1.4 (exclusive)
linux

Linux · 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before 58e82fc3dedb57b1432292504415b224fd2d6acb, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before 01b9115b55018123ef2449ac4951f89147a8428e, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before 3f63d1752d90c0e28be931a48ab5d89bc97d637d, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before 273c06b81d2e902b21acc801ae18c8276c8a9b69, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before 6de2a650917bedaaefd65b17cede83c5e2c1dedd, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before e8417353cbd078d10531ba3928e609c84ab09e6b, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before cea34abc94b0a81e3a8b5cfb41cf45af37c2c67e, 80c9abaabf4283f7cf4a0b3597cd302506635b7f to before d129c3177d7b1138fd5066fcc63a698b3ba415b0
Linux

Linux · 2.6.21
Linux

Component: Not specified by the source
File: net/key/af_key.c

Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 7.1/10) rates confidentiality and availability impact as high; integrity impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.