CVE-2025-39787
soc: qcom: mdt_loader: Ensure we don't read past the ELF header
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Description
In the Linux kernel, the following vulnerability has been resolved: soc: qcom: mdt_loader: Ensure we don't read past the ELF header When the MDT loader is used in remoteproc, the ELF header is sanitized beforehand, but that's not necessary the case for other clients. Validate the size of the firmware buffer to ensure that we don't read past the end as we iterate over the header. e_phentsize and e_shentsize are validated as well, to ensure that the assumptions about step size in the traversal are valid.
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/0d59ce2bfc3bb13abe6240335a1bf7b96536d022
- https://git.kernel.org/stable/c/1096eb63ecfc8df90b70cd068e6de0c2ff204dfd
- https://git.kernel.org/stable/c/43d26997d88c4056fce0324e72f62556bc7e8e8d
- https://git.kernel.org/stable/c/81278be4eb5f08ba2c68c3055893e61cc03727fe
- https://git.kernel.org/stable/c/87bfabb3b2f46827639173f143aa43f7cfc0a7e6
References (12)
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
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