Vulnerability Details : CVE-2019-12817
arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-12817
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:29:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-12817
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 22 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-12817
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
NIST |
CWE ids for CVE-2019-12817
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-12817
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WSKLL2374YGFQR6LSVCFGTTCRGBTLAWZ/
[SECURITY] Fedora 30 Update: kernel-headers-5.1.15-300.fc30 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4495
Debian -- Security Information -- DSA-4495-1 linuxThird Party Advisory
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15
Vendor Advisory
-
https://support.f5.com/csp/article/K12876166?utm_source=f5support&utm_medium=RSS
Third Party Advisory
-
https://support.f5.com/csp/article/K12876166
Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
[security-announce] openSUSE-SU-2019:1757-1: important: Security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2019/06/24/5
oss-security - CVE-2019-12817: Linux kernel: powerpc: Unrelated processes may be able to read/write to each other's virtual memoryMailing List;Third Party Advisory
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2019:2703
RHSA-2019:2703 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://seclists.org/bugtraq/2019/Aug/13
Bugtraq: [SECURITY] [DSA 4495-1] linux security updateMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/108884
Linux kernel CVE-2019-12817 Local Privilege Escalation VulnerabilityBroken Link
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OTLN3KQYEEWWAJYA4BUYYDMWWXCJQNV2/
[SECURITY] Fedora 29 Update: kernel-5.1.15-200.fc29 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4031-1/
USN-4031-1: Linux kernel vulnerability | Ubuntu security noticesThird Party Advisory
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