{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47539", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-24T15:02:54.828Z", "datePublished": "2024-05-24T15:09:46.609Z", "dateUpdated": "2026-05-11T13:56:37.079Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:56:37.079Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()\n\nNeed to call rxrpc_put_peer() for bundle candidate before kfree() as it\nholds a ref to rxrpc_peer.\n\n[DH: v2: Changed to abstract out the bundle freeing code into a function]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/rxrpc/conn_client.c" ], "versions": [ { "version": "245500d853e9f20036cec7df4f6984ece4c6bf26", "lessThan": "35b40f724c4ef0f683d94dab3af9ab38261d782b", "status": "affected", "versionType": "git" }, { "version": "245500d853e9f20036cec7df4f6984ece4c6bf26", "lessThan": "bc97458620e38961af9505cc060ad4cf5c9e4af7", "status": "affected", "versionType": "git" }, { "version": "245500d853e9f20036cec7df4f6984ece4c6bf26", "lessThan": "ca77fba821351190777b236ce749d7c4d353102e", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/rxrpc/conn_client.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.84", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.7", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16", "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": "5.10", "versionEndExcluding": "5.10.84" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.16" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b" }, { "url": "https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7" }, { "url": "https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e" } ], "title": "rxrpc: Fix rxrpc_peer leak in rxrpc_look_up_bundle()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-10T18:53:02.140647Z", "id": "CVE-2021-47539", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-10T18:53:09.609Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.613Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/35b40f724c4ef0f683d94dab3af9ab38261d782b", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bc97458620e38961af9505cc060ad4cf5c9e4af7", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ca77fba821351190777b236ce749d7c4d353102e", "tags": [ "x_transferred" ] } ] } ] } }