tcp: fix TIME_WAIT socket reference leak on PSP policy failure (Linux Linux)

CVE-2026-68379
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.60 % · percentile 49 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Received

Description

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.

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 659a2899a57da59f433182eba571881884d6323e < e666af5dcc905ba694745963174d232deb478c55 ; affected 659a2899a57da59f433182eba571881884d6323e < 374742a961becbbfc7fbfd1382d978a05e492741 ; affected 659a2899a57da59f433182eba571881884d6323e < 2c1931a81122c3cdc4c89448fe0442c69e21c0d5
Linux · Linuxaffected 6.18 ; unaffected 0 < 6.18 ; unaffected 6.18.42 ≤ 6.18.* ; unaffected 7.1.6 ≤ 7.1.* ; unaffected 7.2 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD