SecuritySpace - CVE-2018-1091

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CVE ID: CVE-2018-1091

Description: In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.

Test IDs: None available

Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2018-1091
RedHat Security Advisories: RHSA-2018:1318
https://access.redhat.com/errata/RHSA-2018:1318

CVE ID:	CVE-2018-1091
Description:	In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2018-1091 RedHat Security Advisories: RHSA-2018:1318 https://access.redhat.com/errata/RHSA-2018:1318