5.5

CVE-2026-45887

af_unix: Fix memleak of newsk in unix_stream_connect().

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().
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.16 < 6.18.14
Linux ≫ Linux Kernel Version >= 6.19 < 6.19.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.15% 0.048
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/365996a2b14d07caa9e33d367b67ea26c09d89b4
Patch
https://git.kernel.org/stable/c/a5d95d7caba0160fb7b2b8d2bd96d5a1be861d9f
Patch
https://git.kernel.org/stable/c/6884028cd7f275f8bcb854a347265cb1fb0e4bea
Patch