{"id":"CVE-2026-46068","state":"PUBLISHED","title":"crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx\n\nThe bounce buffers are allocated with __get_free_pages() using\nBOUNCE_BUFFER_ORDER (order 2 = 4 pages), but both the allocation error\npath and nx842_crypto_free_ctx() release the buffers with free_page().\nUse free_pages() with the matching order instead.","publishedAt":"2026-05-27T12:57:48.457Z","updatedAt":"2026-06-14T17:51:58.785Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"f17a4850d1ce7c11cba8b1830b9bfedfede878bb","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"910bb34b801d39794e656f7d48414844b2bd354e","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"5c07962fed66e1238fad7635fa150570bd38b4c5","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"80fd99d7c30ea889662d21f1b44d8fea4c83138d","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"adb3faf2db1a66d0f015b44ac909a32dfc7f2f9c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/nx/nx-842.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/nx/nx-842.c"]}],"references":["https://git.kernel.org/stable/c/f17a4850d1ce7c11cba8b1830b9bfedfede878bb","https://git.kernel.org/stable/c/910bb34b801d39794e656f7d48414844b2bd354e","https://git.kernel.org/stable/c/5c07962fed66e1238fad7635fa150570bd38b4c5","https://git.kernel.org/stable/c/80fd99d7c30ea889662d21f1b44d8fea4c83138d","https://git.kernel.org/stable/c/adb3faf2db1a66d0f015b44ac909a32dfc7f2f9c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46068.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46068","state":"PUBLISHED","datePublished":"2026-05-27T12:57:48.457Z","dateUpdated":"2026-06-14T17:51:58.785Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.095Z"},"containers":{"cna":{"title":"crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx\n\nThe bounce buffers are allocated with __get_free_pages() using\nBOUNCE_BUFFER_ORDER (order 2 = 4 pages), but both the allocation error\npath and nx842_crypto_free_ctx() release the buffers with free_page().\nUse free_pages() with the matching order instead."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"f17a4850d1ce7c11cba8b1830b9bfedfede878bb","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"910bb34b801d39794e656f7d48414844b2bd354e","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"5c07962fed66e1238fad7635fa150570bd38b4c5","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"80fd99d7c30ea889662d21f1b44d8fea4c83138d","versionType":"git"},{"version":"ed70b479c2c0b6e1319f0cb2de19f1051be219a4","status":"affected","lessThan":"adb3faf2db1a66d0f015b44ac909a32dfc7f2f9c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/nx/nx-842.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"6.6.141","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.88","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.27","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.0.4","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/nx/nx-842.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f17a4850d1ce7c11cba8b1830b9bfedfede878bb"},{"url":"https://git.kernel.org/stable/c/910bb34b801d39794e656f7d48414844b2bd354e"},{"url":"https://git.kernel.org/stable/c/5c07962fed66e1238fad7635fa150570bd38b4c5"},{"url":"https://git.kernel.org/stable/c/80fd99d7c30ea889662d21f1b44d8fea4c83138d"},{"url":"https://git.kernel.org/stable/c/adb3faf2db1a66d0f015b44ac909a32dfc7f2f9c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:51:58.785Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}