CVE-2022-49588

tcp: Fix data-races around sysctl_tcp_migrate_req.

Medium4.7EPSS 0.18%

Published: 26 Feb 2025
Updated: 23 May 2026
Reserved: 26 Feb 2025
Assigned by: Linux

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.

Scores

CVSS scores of CVE-2022-49588, by who scored it
Scored by	CVSS	Score	Vector
CISA-ADPADP (enrichment)	3.1	Medium4.7	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified	3.1	Medium4.7	CVSS: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 (7 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: partial

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

Weakness

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (opens in a new tab)All about CWE-362 and its CVEs

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 (3)

Sources

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

Badge for a README or a ticket

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Record last updated 23 May 2026, 15:22 UTC.