Published: 25/06/2019 Updated: 07/11/2023

CVSS v2 Base Score: 6.9 | Impact Score: 10 | Exploitability Score: 3.4

CVSS v3 Base Score: 7 | Impact Score: 5.9 | Exploitability Score: 1

VMScore: 614

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel prior to 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.

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canonical ubuntu linux 18.04
canonical ubuntu linux 18.10
canonical ubuntu linux 19.04
linux linux kernel
fedoraproject fedora 29
fedoraproject fedora 30
debian debian linux 9.0
debian debian linux 10.0
opensuse leap 15.1
redhat enterprise linux 8.0
redhat enterprise linux eus 8.1
redhat enterprise linux eus 8.2
redhat enterprise linux server tus 8.2
redhat enterprise linux server aus 8.2
redhat enterprise linux server tus 8.4
redhat enterprise linux eus 8.4
redhat enterprise linux server aus 8.4

Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic An update for kernel is now available for Red Hat Enterprise Linux 8Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) b ...

64-Bit PowerPC systems could be made to expose sensitive information ...

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2018-20836 chenxiang reported a race condition in libsas, the kernel subsystem supporting Serial Attached SCSI (SAS) devices, which could lead to a use-after-free It is not clear how thi ...

Impact: Important Public Date: 2019-06-24 CWE: CWE-119->(CWE-125|CWE-787) Bugzilla: 1720616: CVE-201 ...

oss-sec mailing list archives   By Date By Thread </form>    CVE-2019-12817: Linux kernel: powerpc: Unrelated processes may be able to read/write to each other's virtual memory <!--X-Subj ...

CWE-787 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15 https://usn.ubuntu.com/4031-1/http://www.openwall.com/lists/oss-security/2019/06/24/5 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc http://www.securityfocus.com/bid/108884 http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html https://www.debian.org/security/2019/dsa-4495 https://seclists.org/bugtraq/2019/Aug/13 https://support.f5.com/csp/article/K12876166 https://access.redhat.com/errata/RHSA-2019:2703 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WSKLL2374YGFQR6LSVCFGTTCRGBTLAWZ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OTLN3KQYEEWWAJYA4BUYYDMWWXCJQNV2/https://support.f5.com/csp/article/K12876166?utm_source=f5support&%3Butm_medium=RSS https://access.redhat.com/errata/RHSA-2019:2703 https://usn.ubuntu.com/4031-1/https://nvd.nist.gov

CVE-2019-12817

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