{"id":"CVE-2026-23422","state":"PUBLISHED","title":"dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler\n\nCommit 31a7a0bbeb00 (\"dpaa2-switch: add bounds check for if_id in IRQ\nhandler\") introduces a range check for if_id to avoid an out-of-bounds\naccess. If an out-of-bounds if_id is detected, the interrupt status is\nnot cleared. This may result in an interrupt storm.\n\nClear the interrupt status after detecting an out-of-bounds if_id to avoid\nthe problem.\n\nFound by an experimental AI code review agent at Google.","publishedAt":"2026-04-03T13:24:31.281Z","updatedAt":"2026-10-15T01:14:55.238Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"77611cab5bdfff7a070ae574bbfba20a1de99d1b","status":"affected","lessThan":"7def51cb9fb8b8d5342443372b8cf28d8fbd7f3d","versionType":"git"},{"version":"34b56c16efd61325d80bf1d780d0e176be662f59","status":"affected","lessThan":"b5bababe7703a7322bc59b803ab1587887a2a5e4","versionType":"git"},{"version":"f89e33c9c37f0001b730e23b3b05ab7b1ecface2","status":"affected","lessThan":"c7becfe3e604d138bd53b8ac3111b2b3e8ec6b0e","versionType":"git"},{"version":"2447edc367800ba914acf7ddd5d250416b45fb31","status":"affected","lessThan":"fa4412cdc5178a48799bafcb8af28fd2fbf3d703","versionType":"git"},{"version":"1b381a638e1851d8cfdfe08ed9cdbec5295b18c9","status":"affected","lessThan":"00f42ace446f1e4bf84988f2281131f52cd32796","versionType":"git"},{"version":"31a7a0bbeb006bac2d9c81a2874825025214b6d8","status":"affected","lessThan":"28fd8ac1d49389cb230d712116f54e27ebec11b8","versionType":"git"},{"version":"31a7a0bbeb006bac2d9c81a2874825025214b6d8","status":"affected","lessThan":"74badb9c20b1a9c02a95c735c6d3cd6121679c93","versionType":"git"},{"version":"5.15.200","status":"affected","lessThan":"5.15.203","versionType":"semver"},{"version":"6.1.163","status":"affected","lessThan":"6.1.167","versionType":"semver"},{"version":"6.6.124","status":"affected","lessThan":"6.6.130","versionType":"semver"},{"version":"6.12.70","status":"affected","lessThan":"6.12.77","versionType":"semver"},{"version":"6.18.10","status":"affected","lessThan":"6.18.17","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.77","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.17","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.7","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c"]}],"references":["https://git.kernel.org/stable/c/7def51cb9fb8b8d5342443372b8cf28d8fbd7f3d","https://git.kernel.org/stable/c/b5bababe7703a7322bc59b803ab1587887a2a5e4","https://git.kernel.org/stable/c/c7becfe3e604d138bd53b8ac3111b2b3e8ec6b0e","https://git.kernel.org/stable/c/fa4412cdc5178a48799bafcb8af28fd2fbf3d703","https://git.kernel.org/stable/c/00f42ace446f1e4bf84988f2281131f52cd32796","https://git.kernel.org/stable/c/28fd8ac1d49389cb230d712116f54e27ebec11b8","https://git.kernel.org/stable/c/74badb9c20b1a9c02a95c735c6d3cd6121679c93","https://cert-portal.siemens.com/productcert/html/ssa-082556.html","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23422.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23422","state":"PUBLISHED","datePublished":"2026-04-03T13:24:31.281Z","dateUpdated":"2026-10-15T01:14:55.238Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:46.015Z"},"containers":{"cna":{"title":"dpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-switch: Fix interrupt storm after receiving bad if_id in IRQ handler\n\nCommit 31a7a0bbeb00 (\"dpaa2-switch: add bounds check for if_id in IRQ\nhandler\") introduces a range check for if_id to avoid an out-of-bounds\naccess. 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