50
CVE-2020-27170
—CVSS 3.1
4.7 medium
EPSS
<1%p45
Published
()
Modified
Description
An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.
- Vendors
- linuxfedoraprojectcanonicaldebian
- Products
- linux kernel, fedora, ubuntu linux, debian linux
- Weakness
- CWE-203
- Vector
- CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N