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THREAT OPS › Threat News › [NVD] CVE-2026-46158 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: always decrease sk refcount When an ADD_ADDR is retransmitted, the sk is held in sk_reset_timer(). It should then be released in all cases at the end. Some (unlikely) checks were retur

[NVD] CVE-2026-46158 (MEDIUM 5.5) — In the Linux kernel, the following vulnerability has been resolved: mptcp: pm: ADD_ADDR rtx: always decrease sk refcount When an ADD_ADDR is retransmitted, the sk is held in sk_reset_timer(). It should then be released in all cases at the end. Some (unlikely) checks were retur

lownvdPublished 2026-05-28

CVE-2026-46158 CVSS: 5.5 MEDIUM Published: 2026-05-28T10:16:31.460

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

mptcp: pm: ADD_ADDR rtx: always decrease sk refcount

When an ADD_ADDR is retransmitted, the sk is held in sk_reset_timer(). It should then be released in all cases at the end.

Some (unlikely) checks were returning directly instead of calling sock_put() to decre

Indicators of compromise

CVE-2026-46158cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-46158