A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
Link | Tags |
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https://www.openwall.com/lists/oss-security/2022/12/16/3 | mailing list exploit third party advisory |
https://www.willsroot.io/2022/12/entrybleed.html | third party advisory exploit |