CVE-2022-49577
udp: Fix a data-race around sysctl_udp_l3mdev_accept.
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Description
In the Linux kernel, the following vulnerability has been resolved: udp: Fix a data-race around sysctl_udp_l3mdev_accept. While reading sysctl_udp_l3mdev_accept, 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/3d72bb4188c708bb16758c60822fc4dda7a95174
- https://git.kernel.org/stable/c/3f2ac2d6511bb0652abf4d7388d65bb9ff1c641c
- https://git.kernel.org/stable/c/cb0d28934ca10f99c47e2c6f451405d6c954fe48
- https://git.kernel.org/stable/c/f39b03bd727a8fea62e82f10fe2e0d753b9930ff
- https://git.kernel.org/stable/c/fcaef69c79ec222e55643e666b80b221e70fa6a8
References (5)
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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