{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T07:07:11.197Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:07:11.197Z"},"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"]}]}]}}