CVE-2020-27171
6.0
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Exploitability: 0.8 / Impact: 5.2
Source: NVD
Description
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.
Affected (9)
Show all products
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Before 5.11.8 |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Version 32 |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Version 9.0 |
Configuration D
| Vulnerable Software | Affected Versions |
|---|---|
| Version 14.04 |
References (18)
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
PatchVendor Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Source: cve@mitre.org
Mailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchThird Party Advisory
Timeline
No history available yet.