{"api_version":"1","generated_at":"2026-07-07T04:53:47+00:00","cve":"CVE-2026-43463","urls":{"html":"https://cve.report/CVE-2026-43463","api":"https://cve.report/api/cve/CVE-2026-43463.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43463","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43463"},"summary":{"title":"rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n     on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n     error code 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18:39:59"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75","name":"https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477","name":"https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142","name":"https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43463","name":"CVE 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"43463","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43463","cve":"CVE-2026-43463","epss":"0.000170000","percentile":"0.041320000","score_date":"2026-05-12","updated_at":"2026-05-13 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the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n     on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n     error code returned."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:25:05.525Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d55fa7cd4b19ba91b34b307d769c149e56ad0a75"},{"url":"https://git.kernel.org/stable/c/54331c5dcc6d97683d7ca2788e7ef9c9505e1477"},{"url":"https://git.kernel.org/stable/c/4245a79003adf30e67f8e9060915bd05cb31d142"}],"title":"rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43463","datePublished":"2026-05-08T14:22:25.346Z","dateReserved":"2026-05-01T14:12:56.010Z","dateUpdated":"2026-05-11T22:25:05.525Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:59","lastModifiedDate":"2026-05-20 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afs: Fix missing error pointer check after rxrpc_kernel_l","CVE":"CVE-2026-43463","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43463","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc, afs: Fix missing error pointer check after rxrpc_kernel_lookup_peer()\n\nrxrpc_kernel_lookup_peer() can also return error pointers in addition to\nNULL, so just checking for NULL is not sufficient.\n\nFix this by:\n\n (1) Changing rxrpc_kernel_lookup_peer() to return -ENOMEM rather than NULL\n     on allocation failure.\n\n (2) Making the callers in afs use IS_ERR() and PTR_ERR() to pass on the\n     error code returned.","Type":"Description","Title":"rxrpc, afs: Fix missing error pointer check after rxrpc_kernel_l"}]}}}