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CVE-2021-20268

Published: Mar 9, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

An out-of-bounds access flaw was found in the Linux kernel's implementation of the eBPF code verifier in the way a user running the eBPF script calls dev_map_init_map or sock_map_alloc. This flaw allows a local user to crash the system or possibly escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

Vendor	Product	Versions
n/a	kernel	affected `kernel 5.10.10`

Weaknesses (CWE)

References

https://bugzilla.redhat.com/show_bug.cgi?id=1923816

x_refsource_MISC

https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA%40mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444

x_refsource_MISC

https://security.netapp.com/advisory/ntap-20210409-0006/

x_refsource_CONFIRM

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