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CVE-2019-15902
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- Medium
- Base Score
- 4.7/10
- Exploit Score
- 3.4/10
- Access Vector
- Local
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- Complete
- Availability Impact
- None
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.6/10
- Exploit Score
- 1.1/10
- Access Vector
- Local
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 4/10
- Confidentiality Impact
- High
- Availability Impact
- None
- Integrity Impact
- None
- Scope
- Changed
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
4.4 | - | |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
4.9 | - | |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
4.14 | - | |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
4.19 | - | |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
5.2 | - | |
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:netapp:active_iq_performance_analytics_services:-: |
Yes
|
- | - | |
cpe:2.3:a:netapp:service_processor:-:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://grsecurity.net/teardown_of_a_failed_linux_lts_spectre_fix.php
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html
- https://www.debian.org/security/2019/dsa-4531
- https://seclists.org/bugtraq/2019/Sep/41
- https://lists.debian.org/debian-lts-announce/2019/10/msg00000.html
- https://security.netapp.com/advisory/ntap-20191004-0001/
- https://usn.ubuntu.com/4157-1/
- https://usn.ubuntu.com/4157-2/
- https://usn.ubuntu.com/4162-1/
- https://usn.ubuntu.com/4163-1/
- https://usn.ubuntu.com/4163-2/
- https://usn.ubuntu.com/4162-2/