Vulnerability Analysis
Double Free in net/packet/af_packet.c leading to priviledge escalation
CVE-2021-22600
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
CISA KEV
CVSS Base Score
6.6
MEDIUM
Exploitability:0.9
Impact Score:5.3
Temporal Score:-
EPSS:5.92%
Threat Intelligence Signals
CISA KEV
YES
KEV Date Added
2022-04-11
Ransomware Use
Unknown
KEV Due Date
2022-05-02
VulnCheck In-the-Wild
No
Nuclei Template
No
EPSS Score
5.918%
EPSS Percentile
92.3th pct
GHSA ID
GitHub Severity
HIGH
SSVC Exploitation
—
SSVC Automatable
—
Vulnerability Class
—
Identity & Timeline
| Status | - |
| Assigning Authority | - |
| CVSS Version / Source | - |
| Reserved | - |
| Published | - |
| Patch Date (date_public) | - |
| Exploit DB Date | - |
| First GitHub PoC Date | - |
| Last Updated | - |
| Time to Patch (Days to fix) | - |
| Exploit Release Gap | - |
| PoC Release Gap | - |
| Exploit DB References | None identified |
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
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