CVE-2022-49630
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
While reading sysctl_tcp_ecn_fallback, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 492135557dc090a1abb2cfbe1a412757e3ed68ab < 8bcf7339f2cf70ea4461df6ea045d1aadfabfa11 | affected |
| Linux | Linux | 492135557dc090a1abb2cfbe1a412757e3ed68ab < 1ec3d6c2626ee6e1b36b7bd006873a271406ba61 | affected |
| Linux | Linux | 492135557dc090a1abb2cfbe1a412757e3ed68ab < 12b8d9ca7e678abc48195294494f1815b555d658 | affected |
| Linux | Linux | 4.2 | affected |
| Linux | Linux | 0 < 4.2 | unaffected |
| Linux | Linux | 5.15.56 <= 5.15.* | unaffected |
| Linux | Linux | 5.18.13 <= 5.18.* | unaffected |
| Linux | Linux | 5.19 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/8bcf7339f2cf70ea4461df6ea045d1aadfabfa11
- https://git.kernel.org/stable/c/1ec3d6c2626ee6e1b36b7bd006873a271406ba61
- https://git.kernel.org/stable/c/12b8d9ca7e678abc48195294494f1815b555d658
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