CVE-2019-7308 Information

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.

CVSS Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38 http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html http://www.securityfocus.com/bid/106827 https://bugs.chromium.org/p/project-zero/issues/detail?id=1711 https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6 https://github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38 https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdeda https://support.f5.com/csp/article/K43030517 https://support.f5.com/csp/article/K43030517?utm_source=f5support&utm_medium=RSS https://usn.ubuntu.com/3930-1/ https://usn.ubuntu.com/3930-2/ https://usn.ubuntu.com/3931-1/ https://usn.ubuntu.com/3931-2/

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.6