{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31391","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.085Z","datePublished":"2026-04-03T15:15:56.789Z","dateUpdated":"2026-05-11T22:07:47.591Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:07:47.591Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix OOM ->tfm_count leak\n\nIf memory allocation fails, decrement ->tfm_count to avoid blocking\nfuture reads."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/atmel-sha204a.c"],"versions":[{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"c2d0c45dbb9eb272385ae919b17eef5a5318d3f8","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"1ab70c260cf16f931a728b2cb63fff5f38c814d8","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"6f502049a96b368ea6646c49d9520d6f69a101fa","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"fd262dc6d758232511127372eba866b7600739ba","status":"affected","versionType":"git"},{"version":"da001fb651b00e1deeaf24767dd691ae8152a4f5","lessThan":"d240b079a37e90af03fd7dfec94930eb6c83936e","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/atmel-sha204a.c"],"versions":[{"version":"5.3","status":"affected"},{"version":"0","lessThan":"5.3","status":"unaffected","versionType":"semver"},{"version":"5.10.253","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.20","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.10","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.18.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"6.19.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c2d0c45dbb9eb272385ae919b17eef5a5318d3f8"},{"url":"https://git.kernel.org/stable/c/66ee9c1c3575b5d6afc340faca00fd40ed5b7ad9"},{"url":"https://git.kernel.org/stable/c/2bfc83cee05f8b9604502df27d94e8e2b4a3dbf1"},{"url":"https://git.kernel.org/stable/c/1ab70c260cf16f931a728b2cb63fff5f38c814d8"},{"url":"https://git.kernel.org/stable/c/6f502049a96b368ea6646c49d9520d6f69a101fa"},{"url":"https://git.kernel.org/stable/c/fd262dc6d758232511127372eba866b7600739ba"},{"url":"https://git.kernel.org/stable/c/d240b079a37e90af03fd7dfec94930eb6c83936e"}],"title":"crypto: atmel-sha204a - Fix OOM ->tfm_count leak","x_generator":{"engine":"bippy-1.2.0"}}}}