CVE-2026-68379

tcp: fix TIME_WAIT socket reference leak on PSP policy failure

State
Published
Severity
7.5 High
Published
Aug 10, 2026
Updated
Aug 17, 2026
Reserved
Jul 30, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 659a2899a57da59f433182eba571881884d6323e to before e666af5dcc905ba694745963174d232deb478c55Affected
  • 659a2899a57da59f433182eba571881884d6323e to before 374742a961becbbfc7fbfd1382d978a05e492741Affected
  • 659a2899a57da59f433182eba571881884d6323e to before 2c1931a81122c3cdc4c89448fe0442c69e21c0d5Affected
LinuxLinux
  • 6.18Affected
  • before 6.18Not affected
  • 6.18.42 through 6.18.*Not affected
  • 7.1.6 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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