CVE-2022-49573
tcp: Fix a data-race around sysctl_tcp_early_retrans.
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Description
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctl_tcp_early_retrans. While reading sysctl_tcp_early_retrans, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/11e8b013d16e5db63f8f76acceb5b86964098aaa
- https://git.kernel.org/stable/c/488d3ad98ef7cddce7054193dbae6b4349c6807d
- https://git.kernel.org/stable/c/5037ca9e4b169cc9aed0174d658c3d81fdaf8ea5
- https://git.kernel.org/stable/c/52e65865deb6a36718a463030500f16530eaab74
- https://git.kernel.org/stable/c/83767fe800a311370330d4ec83aa76093b744a80
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- HIGH
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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