CVE-2023-53314
fbdev/ep93xx-fb: Do not assign to struct fb_info.dev
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Description
In the Linux kernel, the following vulnerability has been resolved: fbdev/ep93xx-fb: Do not assign to struct fb_info.dev Do not assing the Linux device to struct fb_info.dev. The call to register_framebuffer() initializes the field to the fbdev device. Drivers should not override its value. Fixes a bug where the driver incorrectly decreases the hardware device's reference counter and leaks the fbdev device. v2: * add Fixes tag (Dan)
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/0517fc5a71333b315164736bbd32608894fbb872
- https://git.kernel.org/stable/c/1c6ff2a7c593db851f23e31ace2baf557ea9d0ff
- https://git.kernel.org/stable/c/309c27162afea79b3c7f8747bb650faf6923b639
- https://git.kernel.org/stable/c/4aade6c9100a3537788b6a9c7ac481037d19efdf
- https://git.kernel.org/stable/c/8ffa40ff64aa43a9a28fcf209b48d86a3e0f4972
References (8)
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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