CVE-2019-7308

MEDIUM

Linux kernel <4.20.6 - Memory Corruption

Title source: llm
STIX 2.1

Description

kernel/bpf/verifier.c in the Linux kernel before 4.20.6 performs undesirable out-of-bounds speculation on pointer arithmetic in various cases, including cases of different branches with different state or limits to sanitize, leading to side-channel attacks.

References (14)

Core 14
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/project-zero/issues/detail?id=1711
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/106827
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3931-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3930-2/
Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html
Vendor Advisory x_refsource_confirm
https://support.f5.com/csp/article/K43030517

Scores

CVSS v3 5.6
EPSS 0.0003
EPSS Percentile 9.4%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Details

CWE
CWE-189
Status published
Products (6)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
linux/linux_kernel < 4.19.19
opensuse/leap 15.0
Published Feb 01, 2019
Tracked Since Feb 18, 2026