Privilege escalation in DPDK
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-3839 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
DPDK Server applications / Frameworks for developing and running applications |
| Vendor | DPDK Project |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU63625
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3839
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a local user to execute arbitrary code with elevated privileges.
The vulnerability exists due to vhost_user_set_inflight_fd() function does not validate msg->payload.inflight.num_queues. A local user can trigger out-of-bounds write and execute arbitrary code with elevated privileges.
MitigationInstall updates from vendor's website.
Vulnerable software versionsDPDK: 1.7.1 - 21.11.1
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=2025882
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
