Fedora 29 update for kernel, kernel-headers



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-7308
CWE-ID CWE-200
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Fedora
Operating systems & Components / Operating system

kernel-headers
Operating systems & Components / Operating system package or component

kernel
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU17367

Risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-7308

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to out-of-bounds speculation on pointer arithmetic in various cases in kernel/bpf/verifier.c, including cases of different branches with different state or limits to sanitize. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

kernel-headers: before 4.20.6-200.fc29

kernel: before 4.20.6-200.fc29

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2019-96b31a9602


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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