{"id":"CVE-2026-46075","state":"PUBLISHED","title":"crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new ->read() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n->hwrng.priv is freed, preventing a memory leak.","publishedAt":"2026-05-27T12:58:07.080Z","updatedAt":"2026-06-14T17:52:29.232Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"c5a45d14234bf26e28a89e3a5dcc08336595cf11","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"775c00d87c385b758da9504cf053acea00e2ed40","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"1193c12126d39bf986a5a9214827b73707b193ab","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"31901371ccd16b42d2f167b1018ba9ae8bd5a6c7","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"bab1adf3b87e4bfac92c4f5963c63db434d561c1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/atmel-sha204a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","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/atmel-sha204a.c"]}],"references":["https://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5","https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11","https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40","https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab","https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7","https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/46xxx/CVE-2026-46075.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46075","state":"PUBLISHED","datePublished":"2026-05-27T12:58:07.080Z","dateUpdated":"2026-06-14T17:52:29.232Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.096Z"},"containers":{"cna":{"title":"crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new ->read() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n->hwrng.priv is freed, preventing a memory leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"c5a45d14234bf26e28a89e3a5dcc08336595cf11","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"775c00d87c385b758da9504cf053acea00e2ed40","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"1193c12126d39bf986a5a9214827b73707b193ab","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"31901371ccd16b42d2f167b1018ba9ae8bd5a6c7","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","status":"affected","lessThan":"bab1adf3b87e4bfac92c4f5963c63db434d561c1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/atmel-sha204a.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.3","versionType":"semver"},{"version":"6.1.175","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.140","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.86","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/atmel-sha204a.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5"},{"url":"https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11"},{"url":"https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40"},{"url":"https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab"},{"url":"https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7"},{"url":"https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-06-14T17:52:29.232Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}