The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
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References
History
No history.
MITRE
Status: PUBLISHED
Assigner: mitre
Published: 2022-02-11T14:36:29
Updated: 2024-08-04T04:39:20.900Z
Reserved: 2021-12-20T00:00:00
Link: CVE-2021-45402
Vulnrichment
No data.
NVD
Status : Analyzed
Published: 2022-02-11T15:15:07.687
Modified: 2022-02-23T18:12:39.887
Link: CVE-2021-45402
Redhat