High 7.5Published Aug 10, 2026

CVE-2026-68379tcp: fix TIME_WAIT socket reference leak on PSP policy failure

Updated under an hour ago (2026-10-19 09:20 UTC)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: tcp: fix TIME_WAIT socket reference leak on PSP policy failure Release the TIME_WAIT socket reference and jump to discard_it upon PSP policy failure in both IPv4 and IPv6 receive paths. This prevents a memory leak of tcp_tw_bucket structures.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Received
Record last updated: Aug 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 659a2899a57da59f433182eba571881884d6323e before e666af5dcc905ba694745963174d232deb478c55; from 659a2899a57da59f433182eba571881884d6323e before 374742a961becbbfc7fbfd1382d978a05e492741; 659a2899a57da59f433182eba571881884d6323e builds before 2c1931a81122c3cdc4c89448fe0442c69e21c0d5	CNA record

References

https://git.kernel.org/stable/c/e666af5dcc905ba694745963174d232deb478c55
https://git.kernel.org/stable/c/374742a961becbbfc7fbfd1382d978a05e492741
https://git.kernel.org/stable/c/2c1931a81122c3cdc4c89448fe0442c69e21c0d5

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.