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CVE-2022-49588tcp: Fix data-races around sysctl_tcp_migrate_req.

Description

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctl_tcp_migrate_req. While reading sysctl_tcp_migrate_req, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 15 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-49588, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.18% · top 92% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Affected products

  • Linux · Linux

    • affected f9ac779f881c2ec3d1cdcd7fa9d4f9442bf60e80 – < fcf6c6d8aeffebca66f37b17ef1b57112e5e09c1
    • affected f9ac779f881c2ec3d1cdcd7fa9d4f9442bf60e80 – < 6e569a11eea20a1ccebc3c4e6366bf0574a449e1
    • affected f9ac779f881c2ec3d1cdcd7fa9d4f9442bf60e80 – < 4177f545895b1da08447a80692f30617154efa6e
    • affected cf6c06ac74879726c88fe1ec013727006cdbdd58
    • affected 5.10.188 – < 5.11

  • Linux · Linux

    • affected 5.14
    • unaffected < 5.14
    • unaffected 5.15.58 – ≤ 5.15.*
    • unaffected 5.18.15 – ≤ 5.18.*
    • unaffected 5.19 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2022-49588 badge
[![CVE-2022-49588](https://cveledger.app/badge/CVE-2022-49588.svg)](https://cveledger.app/cve/CVE-2022-49588)

Record last updated .