Unrated severityNVD Advisory· Published Mar 6, 2022· Updated Aug 4, 2024
CVE-2021-44421
CVE-2021-44421
Description
The pointer-validation logic in util/mem_util.rs in Occlum before 0.26.0 for Intel SGX acts as a confused deputy that allows a local attacker to access unauthorized information via side-channel analysis.
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Affected products
2- Occlum/Occlumdescription
Patches
Vulnerability mechanics
References
4- github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rsmitrex_refsource_MISC
- github.com/occlum/occlum/blob/821ea843ae21037e6cff5268306d2da1fb131552/src/libos/src/util/mem_util.rsmitrex_refsource_MISC
- github.com/occlum/occlum/commit/36918e42bf6732c4d3996bc99eb013eb6b90b249mitrex_refsource_CONFIRM
- github.com/occlum/occlum/compare/0.25.0...v0.26.0mitrex_refsource_CONFIRM
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