CVE-2024-49975
uprobes: fix kernel info leak via "[uprobes]" vma
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Description
In the Linux kernel, the following vulnerability has been resolved: uprobes: fix kernel info leak via "[uprobes]" vma xol_add_vma() maps the uninitialized page allocated by __create_xol_area() into userspace. On some architectures (x86) this memory is readable even without VM_READ, VM_EXEC results in the same pgprot_t as VM_EXEC|VM_READ, although this doesn't really matter, debugger can read this memory anyway.
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/21cb47db1ec9765f91304763a24565ddc22d2492
- https://git.kernel.org/stable/c/24141df5a8615790950deedd926a44ddf1dfd6d8
- https://git.kernel.org/stable/c/2aa45f43709ba2082917bd2973d02687075b6eee
- https://git.kernel.org/stable/c/34820304cc2cd1804ee1f8f3504ec77813d29c8e
- https://git.kernel.org/stable/c/5b981d8335e18aef7908a068529a3287258ff6d8
References (11)
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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