CVE-2019-15902

Public on 2019-09-13
Modified on 2019-09-18
Description
A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped.
Severity
Medium
CVSS v3 Base Score
4.7
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2019-09-13 22:48 ALAS-2019-1281

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.7 CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv2 4.7 AV:L/AC:M/Au:N/C:C/I:N/A:N
NVD CVSSv3 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N