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CVE-2020-27171
- CVSS 3.1
- 6.0 medium
- EPSS
- <1%p46
- Published
- ·
- Modified
Description · NVD
An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c has an off-by-one error (with a resultant integer underflow) affecting 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-10d2bb2e6b1d.
- Products
- linux kernel, fedora, debian linux, ubuntu linux
- Weakness
- CWE-193
- Vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H