4.4
CVE-2021-4159
- EPSS 0.02%
- Published 24.08.2022 16:15:09
- Last modified 21.11.2024 06:37:02
- Source secalert@redhat.com
- Teams watchlist Login
- Open Login
A vulnerability was found in the Linux kernel's EBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel.
Data is provided by the National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 5.7
Redhat ≫ Enterprise Linux Version8.0
Debian ≫ Debian Linux Version10.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
| Type | Source | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.02% | 0.022 |
| Source | Base Score | Exploit Score | Impact Score | Vector string |
|---|---|---|---|---|
| nvd@nist.gov | 4.4 | 0.8 | 3.6 |
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
|
CWE-202 Exposure of Sensitive Information Through Data Queries
When trying to keep information confidential, an attacker can often infer some of the information by using statistics.