{"id":"CVE-2024-36957","state":"PUBLISHED","title":"octeontx2-af: avoid off-by-one read from userspace","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: avoid off-by-one read from userspace\n\nWe try to access count + 1 byte from userspace with memdup_user(buffer,\ncount + 1). However, the userspace only provides buffer of count bytes and\nonly these count bytes are verified to be okay to access. To ensure the\ncopied buffer is NUL terminated, we use memdup_user_nul instead.","publishedAt":"2024-05-30T15:35:50.445Z","updatedAt":"2026-05-23T15:47:48.972Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dae49384d0d7695540e2d75168f323cef1384810","status":"affected","lessThan":"bcdac70adceb44373da204c3c297f2a98e13216e","versionType":"git"},{"version":"3a2eb515d1367c0f667b76089a6e727279c688b8","status":"affected","lessThan":"ec697fbd38cbe2eef0948b58673b146caa95402f","versionType":"git"},{"version":"3a2eb515d1367c0f667b76089a6e727279c688b8","status":"affected","lessThan":"8f11fe3ea3fc261640cfc8a5addd838000407c67","versionType":"git"},{"version":"3a2eb515d1367c0f667b76089a6e727279c688b8","status":"affected","lessThan":"0a0285cee11c7dcc2657bcd456e469958a5009e7","versionType":"git"},{"version":"3a2eb515d1367c0f667b76089a6e727279c688b8","status":"affected","lessThan":"fc3e0076c1f82fe981d321e3a7bad4cbee542c19","versionType":"git"},{"version":"3a2eb515d1367c0f667b76089a6e727279c688b8","status":"affected","lessThan":"f299ee709fb45036454ca11e90cb2810fe771878","versionType":"git"},{"version":"c9a2ed3fdd037314a71e6a6ba5d99a3605f6f9c7","status":"affected","versionType":"git"},{"version":"5.10.20","status":"affected","lessThan":"5.10.217","versionType":"semver"},{"version":"5.11.3","status":"affected","lessThan":"5.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.10.217","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.159","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.91","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.31","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.8.10","status":"unaffected","lessThanOrEqual":"6.8.*","versionType":"semver"},{"version":"6.9","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c"]}],"references":["https://git.kernel.org/stable/c/bcdac70adceb44373da204c3c297f2a98e13216e","https://git.kernel.org/stable/c/ec697fbd38cbe2eef0948b58673b146caa95402f","https://git.kernel.org/stable/c/8f11fe3ea3fc261640cfc8a5addd838000407c67","https://git.kernel.org/stable/c/0a0285cee11c7dcc2657bcd456e469958a5009e7","https://git.kernel.org/stable/c/fc3e0076c1f82fe981d321e3a7bad4cbee542c19","https://git.kernel.org/stable/c/f299ee709fb45036454ca11e90cb2810fe771878","https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/36xxx/CVE-2024-36957.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-36957","state":"PUBLISHED","datePublished":"2024-05-30T15:35:50.445Z","dateUpdated":"2026-05-23T15:47:48.972Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-05-30T15:25:07.080Z"},"containers":{"cna":{"title":"octeontx2-af: avoid off-by-one read from userspace","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: avoid off-by-one read from userspace\n\nWe try to access count + 1 byte from userspace with memdup_user(buffer,\ncount + 1). 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