{"id":"CVE-2019-15031","state":"PUBLISHED","title":"In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local ","description":"In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.","publishedAt":"2019-09-13T12:45:49.000Z","updatedAt":"2024-08-05T00:34:53.153Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a8318c13e79badb92bc6640704a64cc022a6eb97","http://www.openwall.com/lists/oss-security/2019/09/10/4","https://usn.ubuntu.com/4135-2/","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html","https://usn.ubuntu.com/4135-1/","https://security.netapp.com/advisory/ntap-20191004-0001/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:45:33.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/15xxx/CVE-2019-15031.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-15031","state":"PUBLISHED","datePublished":"2019-09-13T12:45:49.000Z","dateUpdated":"2024-08-05T00:34:53.153Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2019-08-14T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. 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