{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45847","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.078Z","datePublished":"2026-05-27T12:15:07.344Z","dateUpdated":"2026-05-27T12:15:07.344Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-27T12:15:07.344Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: remove WARN_ON_ONCE when accessing forward path array\n\nAlthough unlikely, recent support for IPIP tunnels increases chances of\nreaching this WARN_ON_ONCE if userspace manages to build a sufficiently\nlong forward path.\n\nRemove it."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/core/dev.c"],"versions":[{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"548244c2f542aa0ad49453e9306e715a3877bc44","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"dcf9b3c90e5560339649d088836529883fb509f3","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"959ea349c7e2d4edf07b6838ca7e59345fe61a08","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"50422613185d505201167e8bdd2f2700790d5db6","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"a78d055ba7c31103ad02f8eceb0c452e154d2660","status":"affected","versionType":"git"},{"version":"ddb94eafab8b597b05904c8277194ea2d6357fa9","lessThan":"008e7a7c293b30bc43e4368dac6ea3808b75a572","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/core/dev.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"5.15.202","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.14","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.4","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"5.13","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/548244c2f542aa0ad49453e9306e715a3877bc44"},{"url":"https://git.kernel.org/stable/c/dcf9b3c90e5560339649d088836529883fb509f3"},{"url":"https://git.kernel.org/stable/c/9464ca7a6e56ad1ebf48b2ad5c16871edfad10c6"},{"url":"https://git.kernel.org/stable/c/959ea349c7e2d4edf07b6838ca7e59345fe61a08"},{"url":"https://git.kernel.org/stable/c/50422613185d505201167e8bdd2f2700790d5db6"},{"url":"https://git.kernel.org/stable/c/a78d055ba7c31103ad02f8eceb0c452e154d2660"},{"url":"https://git.kernel.org/stable/c/008e7a7c293b30bc43e4368dac6ea3808b75a572"}],"title":"net: remove WARN_ON_ONCE when accessing forward path array","x_generator":{"engine":"bippy-1.2.0"}}}}