{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47252", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-04-10T18:59:19.538Z", "datePublished": "2024-05-21T14:19:48.174Z", "dateUpdated": "2026-05-11T13:50:54.161Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:50:54.161Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: Avoid WARN_ON timing related checks\n\nThe soft/batadv interface for a queued OGM can be changed during the time\nthe OGM was queued for transmission and when the OGM is actually\ntransmitted by the worker.\n\nBut WARN_ON must be used to denote kernel bugs and not to print simple\nwarnings. A warning can simply be printed using pr_warn." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/batman-adv/bat_iv_ogm.c" ], "versions": [ { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "45011f2973f6b52cf50db397bb27bf805f5f0e7f", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "6031daaaf6d5c359c99dfffa102e332df234ff09", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "77a99aad5bc3ea105806ebae6be3cbadc2fc615e", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "e8e9d2968a9d08bf5c683afca182f1537edebf8d", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "e7fbd8184fa9e85f0d648c499841cb7ff6dec9f4", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "282baa8104af44e04c4af3e7f933b44267c7f86f", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "2eb4e0b3631832a4291c8bf4c9db873f60b128c8", "status": "affected", "versionType": "git" }, { "version": "ef0a937f7a1450d3a133ccd83c9c7d07587e7a00", "lessThan": "9f460ae31c4435fd022c443a6029352217a16ac1", "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/batman-adv/bat_iv_ogm.c" ], "versions": [ { "version": "3.14", "status": "affected" }, { "version": "0", "lessThan": "3.14", "status": "unaffected", "versionType": "semver" }, { "version": "4.4.293", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.274", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.238", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.196", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.128", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.46", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.13", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "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": "3.14", "versionEndExcluding": "4.4.293" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "4.9.274" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "4.14.238" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "4.19.196" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "5.4.128" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "5.10.46" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "5.12.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.14", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/45011f2973f6b52cf50db397bb27bf805f5f0e7f" }, { "url": "https://git.kernel.org/stable/c/6031daaaf6d5c359c99dfffa102e332df234ff09" }, { "url": "https://git.kernel.org/stable/c/77a99aad5bc3ea105806ebae6be3cbadc2fc615e" }, { "url": "https://git.kernel.org/stable/c/e8e9d2968a9d08bf5c683afca182f1537edebf8d" }, { "url": "https://git.kernel.org/stable/c/e7fbd8184fa9e85f0d648c499841cb7ff6dec9f4" }, { "url": "https://git.kernel.org/stable/c/282baa8104af44e04c4af3e7f933b44267c7f86f" }, { "url": "https://git.kernel.org/stable/c/2eb4e0b3631832a4291c8bf4c9db873f60b128c8" }, { "url": "https://git.kernel.org/stable/c/9f460ae31c4435fd022c443a6029352217a16ac1" } ], "title": "batman-adv: Avoid WARN_ON timing related checks", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-06-12T15:03:55.187131Z", "id": "CVE-2021-47252", "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": "2024-06-12T15:04:08.178Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:32:08.140Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/45011f2973f6b52cf50db397bb27bf805f5f0e7f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/6031daaaf6d5c359c99dfffa102e332df234ff09", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/77a99aad5bc3ea105806ebae6be3cbadc2fc615e", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e8e9d2968a9d08bf5c683afca182f1537edebf8d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e7fbd8184fa9e85f0d648c499841cb7ff6dec9f4", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/282baa8104af44e04c4af3e7f933b44267c7f86f", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2eb4e0b3631832a4291c8bf4c9db873f60b128c8", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/9f460ae31c4435fd022c443a6029352217a16ac1", "tags": [ "x_transferred" ] } ] } ] } }