CVE-2026-64552: Linux 6.18; +3 more affected products

Affected technology

Linux · 82f9028e83944a9eee5229cbc6fee9be1de8a62d to before f9451d0fd5ba635dcabb49bfe456a6db734a8986, 946dec89c41726b94d31147ec528b96af0be1b5a to before 38e94d63e29f4a5c6eae87ee2c02101aaa321502, 82fe78065450d2d07f36a22e2b6b44955cf5ca5b to before fbeb65154583879d556ea94cb2f15888e9470f3d, 0c716703965ffc5ef4311b65cb5d84a703784717 to before c7fc9adf4e006155f7f2aeda052fbcde25cdcc49, 0c716703965ffc5ef4311b65cb5d84a703784717 to before e6b8463b7d791f3886d7584259d6e9f06a69f12e, 0c716703965ffc5ef4311b65cb5d84a703784717 to before 9e5ad06ea826322ce8c58b4a68442a96f600c3c4, 3e9d89f2ecd3636bd4cbdfd0b2dfdaf58f9882e2, 6.1.159 to before 6.1.178, 6.6.117 to before 6.6.145, 6.12.58 to before 6.12.97, 6.17.8 to before 6.18
Linux

Linux · 6.18
Linux

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.7 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.6 to before *
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.7 to before *
Siemens

Component: Not specified by the source
File: drivers/net/virtio_net.c

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

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 8.4/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.