CVE-2026-45887

Summary

In the Linux kernel, the following vulnerability has been resolved:

af_unix: Fix memleak of newsk in unix_stream_connect().

When prepare_peercred() fails in unix_stream_connect(), unix_release_sock() is not called for newsk, and the memory is leaked.

Let's move prepare_peercred() before unix_create1().

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfd0a109a0f6b7524543d17520da92a44a9f5343c < 365996a2b14d07caa9e33d367b67ea26c09d89b4affected
LinuxLinuxfd0a109a0f6b7524543d17520da92a44a9f5343c < a5d95d7caba0160fb7b2b8d2bd96d5a1be861d9faffected
LinuxLinuxfd0a109a0f6b7524543d17520da92a44a9f5343c < 6884028cd7f275f8bcb854a347265cb1fb0e4beaaffected
LinuxLinux6.16affected
LinuxLinux0 < 6.16unaffected
LinuxLinux6.18.14 <= 6.18.*unaffected
LinuxLinux6.19.4 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References