Arch Linux update for linux-grsec



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-8655
CWE-ID CWE-416
Exploitation vector Local
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Arch Linux
Operating systems & Components / Operating system

linux-grsec
Operating systems & Components / Operating system package or component

Vendor Arch Linux

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Use-after-free

EUVDB-ID: #VU90824

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2016-8655

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to a use-after-free error within the packet_setsockopt() and packet_set_ring() functions in net/packet/af_packet.c. A local user can execute arbitrary code.

Mitigation

Update the affected package linux-grsec to version 1

Vulnerable software versions

Arch Linux: All versions

linux-grsec: before 1

CPE2.3 External links

https://security.archlinux.org/advisory/ASA-201612-5


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. However, a fully functional exploit for this vulnerability is available.



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