National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-7308 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 5.6 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=979d63d50c0c0f7bc537bf821e056cc9fe5abd38 Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d3bd7413e0ca40b60cf60d4003246d067cafdeda Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00052.html Third Party Advisory
http://www.securityfocus.com/bid/106827 Third Party Advisory VDB Entry
https://bugs.chromium.org/p/project-zero/issues/detail?id=1711 Issue Tracking Patch Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.6 Third Party Advisory
https://github.com/torvalds/linux/commit/979d63d50c0c0f7bc537bf821e056cc9fe5abd38 Patch Third Party Advisory
https://github.com/torvalds/linux/commit/d3bd7413e0ca40b60cf60d4003246d067cafdeda Patch Third Party Advisory
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/ Third Party Advisory
https://usn.ubuntu.com/3930-2/ Third Party Advisory
https://usn.ubuntu.com/3931-1/ Third Party Advisory
https://usn.ubuntu.com/3931-2/ Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-189 Numeric Errors NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
4.19.19
 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
4.20.0
Up to (excluding)
4.20.6

Configuration 2 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-7308
NVD Published Date:
02/01/2019
NVD Last Modified:
09/24/2019