{ "CVE_data_meta": { "ASSIGNER": "secalert@redhat.com", "ID": "CVE-2018-1091", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Linux kernel v4.13 and newer", "version": { "version_data": [ { "version_value": "Linux kernel v4.13 and newer" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "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." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-391" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1558149", "refsource": "CONFIRM", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1558149" }, { "name": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5", "refsource": "CONFIRM", "url": "https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5" }, { "name": "https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2", "refsource": "CONFIRM", "url": "https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2" }, { "name": "https://access.redhat.com/security/cve/cve-2018-1091", "refsource": "CONFIRM", "url": "https://access.redhat.com/security/cve/cve-2018-1091" }, { "name": "RHSA-2018:1318", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2018:1318" }, { "name": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70", "refsource": "CONFIRM", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70" }, { "name": "https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70", "refsource": "CONFIRM", "url": "https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70" }, { "name": "http://openwall.com/lists/oss-security/2018/03/27/4", "refsource": "CONFIRM", "url": "http://openwall.com/lists/oss-security/2018/03/27/4" } ] } }