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CVE-2022-49601
tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept.
Medium4.7EPSS 0.19%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctl_tcp_fwmark_accept. While reading sysctl_tcp_fwmark_accept, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Timeline
ID reserved
By Linux
Published
- 15 months later
· 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
| 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)
- 0.19% · top 92% of all CVEs (7 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.
Weakness
Affected products
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < 13207f9485b5de68decf296ceb0046f5eabb2485
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < 45fc82706a97242539d6b841ddd7a077ec20757b
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < abf70de2ec026ae8d7da4e79bec61888a880e00b
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < a7386602a2fe2f6192477e8ede291a815da09d81
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < d4f65615db7fca3df9f7e79eadf937e6ddb03c54
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < bf3134feffe61b7a0e21f60a04743f8da0958b53
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < 526d8cf8824f613c72dba2155542295e70135f62
- affected 84f39b08d7868ce10eeaf640627cb89777f0ae93 – < 1a0008f9df59451d0a17806c1ee1a19857032fa8
- affected 3.16
- unaffected < 3.16
- unaffected 4.9.325 – ≤ 4.9.*
- unaffected 4.14.290 – ≤ 4.14.*
- unaffected 4.19.254 – ≤ 4.19.*
- unaffected 5.4.208 – ≤ 5.4.*
- unaffected 5.10.134 – ≤ 5.10.*
- unaffected 5.15.58 – ≤ 5.15.*
- unaffected 5.18.15 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (8)
- https://git.kernel.org/stable/c/13207f9485b5de68decf296ceb0046f5eabb2485 (opens in a new tab)
- https://git.kernel.org/stable/c/45fc82706a97242539d6b841ddd7a077ec20757b (opens in a new tab)
- https://git.kernel.org/stable/c/abf70de2ec026ae8d7da4e79bec61888a880e00b (opens in a new tab)
- https://git.kernel.org/stable/c/a7386602a2fe2f6192477e8ede291a815da09d81 (opens in a new tab)
- https://git.kernel.org/stable/c/d4f65615db7fca3df9f7e79eadf937e6ddb03c54 (opens in a new tab)
- https://git.kernel.org/stable/c/bf3134feffe61b7a0e21f60a04743f8da0958b53 (opens in a new tab)
- https://git.kernel.org/stable/c/526d8cf8824f613c72dba2155542295e70135f62 (opens in a new tab)
- https://git.kernel.org/stable/c/1a0008f9df59451d0a17806c1ee1a19857032fa8 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49601)Record last updated .