CVE-2024-50259
netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write()
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Description
In the Linux kernel, the following vulnerability has been resolved: netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write() This was found by a static analyzer. We should not forget the trailing zero after copy_from_user() if we will further do some string operations, sscanf() in this case. Adding a trailing zero will ensure that the function performs properly.
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/27bd7a742e171362c9eb52ad5d1d71d3321f949f
- https://git.kernel.org/stable/c/4ce1f56a1eaced2523329bef800d004e30f2f76c
- https://git.kernel.org/stable/c/6a604877160fe5ab2e1985d5ce1ba6a61abe0693
- https://git.kernel.org/stable/c/bcba86e03b3aac361ea671672cf48eed11f9011c
- https://git.kernel.org/stable/c/c2150f666c6fc301d5d1643ed0f92251f1a0ff0d
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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