Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47259", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T13:27:52.125Z", "datePublished": "2024-05-21T14:19:52.738Z", "dateUpdated": "2024-12-19T07:38:24.429Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:38:24.429Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFS: Fix use-after-free in nfs4_init_client()\n\nKASAN reports a use-after-free when attempting to mount two different\nexports through two different NICs that belong to the same server.\n\nOlga was able to hit this with kernels starting somewhere between 5.7\nand 5.10, but I traced the patch that introduced the clear_bit() call to\n4.13. So something must have changed in the refcounting of the clp\npointer to make this call to nfs_put_client() the very last one."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfs/nfs4client.c"], "versions": [{"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "c7eab9e2d7b4e983ce280276fb920af649955897", "status": "affected", "versionType": "git"}, {"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "42c10b0db064e45f5c5ae7019bbf2168ffab766c", "status": "affected", "versionType": "git"}, {"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "3e3c7ebbfac152d08be75c92802a64a1f6471a15", "status": "affected", "versionType": "git"}, {"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "c3b6cf64dfe4ef96e7341508d50d6998da7062c7", "status": "affected", "versionType": "git"}, {"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "72651c6579a25317a90536181d311c663d0329ab", "status": "affected", "versionType": "git"}, {"version": "8dcbec6d20eb881ba368d0aebc3a8a678aebb1da", "lessThan": "476bdb04c501fc64bf3b8464ffddefc8dbe01577", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfs/nfs4client.c"], "versions": [{"version": "4.13", "status": "affected"}, {"version": "0", "lessThan": "4.13", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.237", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.195", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.126", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.44", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.12.11", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/c7eab9e2d7b4e983ce280276fb920af649955897"}, {"url": "https://git.kernel.org/stable/c/42c10b0db064e45f5c5ae7019bbf2168ffab766c"}, {"url": "https://git.kernel.org/stable/c/3e3c7ebbfac152d08be75c92802a64a1f6471a15"}, {"url": "https://git.kernel.org/stable/c/c3b6cf64dfe4ef96e7341508d50d6998da7062c7"}, {"url": "https://git.kernel.org/stable/c/72651c6579a25317a90536181d311c663d0329ab"}, {"url": "https://git.kernel.org/stable/c/476bdb04c501fc64bf3b8464ffddefc8dbe01577"}], "title": "NFS: Fix use-after-free in nfs4_init_client()", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-47259", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-05-22T16:41:04.603993Z"}}}], "affected": [{"cpes": ["cpe:2.3:o:linux:linux_kernel:4.13:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "4.13"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"], "vendor": "linux", "product": "linux_kernel", "versions": [{"status": "affected", "version": "8dcbec6d20eb", "lessThan": "476bdb04c501", "versionType": "custom"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:09.514Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:07.994Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/c7eab9e2d7b4e983ce280276fb920af649955897", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/42c10b0db064e45f5c5ae7019bbf2168ffab766c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3e3c7ebbfac152d08be75c92802a64a1f6471a15", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c3b6cf64dfe4ef96e7341508d50d6998da7062c7", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/72651c6579a25317a90536181d311c663d0329ab", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/476bdb04c501fc64bf3b8464ffddefc8dbe01577", "tags": ["x_transferred"]}]}]}} 
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