cve-2024-42255
Vulnerability from cvelistv5
Published
2024-08-08 08:49
Modified
2024-12-19 09:14
Severity ?
EPSS score ?
Summary
tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()
References
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2024-42255", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-09-10T16:13:03.203312Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-09-11T17:34:30.169Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "drivers/char/tpm/tpm2-sessions.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "b9afbb9a0c734197c59c43610071041044bf1562", "status": "affected", "version": "7ca110f2679b7d1f3ac1afc90e6ffbf0af3edf0d", "versionType": "git" }, { "lessThan": "7dc357d343f134bf59815ff6098b93503ec8a23b", "status": "affected", "version": "7ca110f2679b7d1f3ac1afc90e6ffbf0af3edf0d", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "drivers/char/tpm/tpm2-sessions.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "6.10" }, { "lessThan": "6.10", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "6.10.*", "status": "unaffected", "version": "6.10.1", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.11", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: Use auth only after NULL check in tpm_buf_check_hmac_response()\n\nDereference auth after NULL check in tpm_buf_check_hmac_response().\nOtherwise, unless tpm2_sessions_init() was called, a call can cause NULL\ndereference, when TCG_TPM2_HMAC is enabled.\n\n[jarkko: adjusted the commit message.]" } ], "providerMetadata": { "dateUpdated": "2024-12-19T09:14:57.702Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/b9afbb9a0c734197c59c43610071041044bf1562" }, { "url": "https://git.kernel.org/stable/c/7dc357d343f134bf59815ff6098b93503ec8a23b" } ], "title": "tpm: Use auth only after NULL check in tpm_buf_check_hmac_response()", "x_generator": { "engine": "bippy-5f407fcff5a0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2024-42255", "datePublished": "2024-08-08T08:49:15.078Z", "dateReserved": "2024-07-30T07:40:12.257Z", "dateUpdated": "2024-12-19T09:14:57.702Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-42255\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-08T09:15:08.470\",\"lastModified\":\"2024-09-06T13:41:30.843\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntpm: Use auth only after NULL check in tpm_buf_check_hmac_response()\\n\\nDereference auth after NULL check in tpm_buf_check_hmac_response().\\nOtherwise, unless tpm2_sessions_init() was called, a call can cause NULL\\ndereference, when TCG_TPM2_HMAC is enabled.\\n\\n[jarkko: adjusted the commit message.]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tpm: use autenticaci\u00f3n solo despu\u00e9s de la verificaci\u00f3n NULL en tpm_buf_check_hmac_response() Desreferenciar la autenticaci\u00f3n despu\u00e9s de la verificaci\u00f3n NULL en tpm_buf_check_hmac_response(). De lo contrario, a menos que se haya llamado a tpm2_sessions_init(), una llamada puede causar una desreferencia NULL, cuando TCG_TPM2_HMAC est\u00e1 habilitado. [jarkko: ajust\u00f3 el mensaje de confirmaci\u00f3n.]\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"9EA80796-744E-45F5-8632-2AB4F7889FCD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"331C2F14-12C7-45D5-893D-8C52EE38EA10\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3173713D-909A-4DD3-9DD4-1E171EB057EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"79F18AFA-40F7-43F0-BA30-7BDB65F918B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"BD973AA4-A789-49BD-8D57-B2846935D3C7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"8F3E9E0C-AC3E-4967-AF80-6483E8AB0078\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.10:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"11AF4CB9-F697-4EA4-8903-8F9417EFDA8E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7dc357d343f134bf59815ff6098b93503ec8a23b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b9afbb9a0c734197c59c43610071041044bf1562\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}" } }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.