high7.8
CVE-2021-20268
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_i…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.10.10 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1923816
- https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA%40mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444
- https://security.netapp.com/advisory/ntap-20210409-0006/
- https://bugzilla.redhat.com/show_bug.cgi?id=1923816
- https://lore.kernel.org/bpf/CACAyw99bEYWJCSGqfLiJ9Jp5YE1ZsZSiJxb4RFUTwbofipf0dA%40mail.gmail.com/T/#m8929643e99bea9c18ed490a7bc2591145eac6444
- https://security.netapp.com/advisory/ntap-20210409-0006/