{"id":"CVE-2026-98353","state":"PUBLISHED","title":"RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables\n\nLocked QP and CQ lookups from EQ interrupts can deadlock with\ncreate-path XArray updates. If an interrupt arrives while the create\npath holds the plain xa_lock, the lookup spins forever trying to\nacquire the same lock.\n\nUse IRQ-safe XArray helpers for all QP and CQ create-path updates,\nincluding the GSI QP store and error paths. Initialize both arrays with\nXA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state.","publishedAt":"2026-10-06T08:46:40.955Z","updatedAt":"2026-10-30T12:38:02.585Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1fc9c1933959d2776a1ce7bf424251b8b5b586cd","status":"affected","lessThan":"e32aa1d85126e6d5ef6efd594ced3f75178886ce","versionType":"git"},{"version":"4545f355654d044d35a31cd01cc46f491a8a7c36","status":"affected","lessThan":"74d4085221a7ec5440996af199ccadfa75b9eb0e","versionType":"git"},{"version":"98df2aee1459ee1c62c70cbe9b370d2a532aea36","status":"affected","lessThan":"00baeade709fb66da647e8327e8398bb532e30f7","versionType":"git"},{"version":"610ef81797bb4f709e8675c1d8d093bb9ccdcbd8","status":"affected","versionType":"git"},{"version":"c0a83f29a24c7e7f8516630848ef6db4c174deed","status":"affected","versionType":"git"},{"version":"05b8ca493dd02319bca93c640b259c2ba51ef321","status":"affected","versionType":"git"},{"version":"92101d7bd67cf313d65baede27118614a283f6bf","status":"affected","versionType":"git"},{"version":"233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8","status":"affected","versionType":"git"},{"version":"6e32f84b63c054e09392153125d7202abab2d14b","status":"affected","versionType":"git"},{"version":"ec987c0654651036dad6a42f7fa2a6d7c16a3687","status":"affected","versionType":"git"},{"version":"c92686867638cda954fdb2bdbac8a75e3aa6eaae","status":"affected","versionType":"git"},{"version":"6.1.188","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.157","status":"affected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.110","status":"affected","lessThan":"6.13","versionType":"semver"},{"version":"6.1.191","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.160","status":"affected","lessThan":"6.7","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/erdma/erdma_main.c","drivers/infiniband/hw/erdma/erdma_verbs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6.18.52","status":"affected","lessThan":"6.18.58","versionType":"semver"},{"version":"7.2.6","status":"affected","lessThan":"7.2.8","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/erdma/erdma_main.c","drivers/infiniband/hw/erdma/erdma_verbs.c"]}],"references":["https://git.kernel.org/stable/c/e32aa1d85126e6d5ef6efd594ced3f75178886ce","https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e","https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7"],"weaknesses":[],"ingestedAt":"2026-10-30T12:56:04.490Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98353.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98353","state":"PUBLISHED","datePublished":"2026-10-06T08:46:40.955Z","dateUpdated":"2026-10-30T12:38:02.585Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.343Z"},"containers":{"cna":{"title":"RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables\n\nLocked QP and CQ lookups from EQ interrupts can deadlock with\ncreate-path XArray updates. If an interrupt arrives while the create\npath holds the plain xa_lock, the lookup spins forever trying to\nacquire the same lock.\n\nUse IRQ-safe XArray helpers for all QP and CQ create-path updates,\nincluding the GSI QP store and error paths. Initialize both arrays with\nXA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1fc9c1933959d2776a1ce7bf424251b8b5b586cd","status":"affected","lessThan":"e32aa1d85126e6d5ef6efd594ced3f75178886ce","versionType":"git"},{"version":"4545f355654d044d35a31cd01cc46f491a8a7c36","status":"affected","lessThan":"74d4085221a7ec5440996af199ccadfa75b9eb0e","versionType":"git"},{"version":"98df2aee1459ee1c62c70cbe9b370d2a532aea36","status":"affected","lessThan":"00baeade709fb66da647e8327e8398bb532e30f7","versionType":"git"},{"version":"610ef81797bb4f709e8675c1d8d093bb9ccdcbd8","status":"affected","versionType":"git"},{"version":"c0a83f29a24c7e7f8516630848ef6db4c174deed","status":"affected","versionType":"git"},{"version":"05b8ca493dd02319bca93c640b259c2ba51ef321","status":"affected","versionType":"git"},{"version":"92101d7bd67cf313d65baede27118614a283f6bf","status":"affected","versionType":"git"},{"version":"233f1b7fe2980e4e238fe03dd3ceddfd082cb4c8","status":"affected","versionType":"git"},{"version":"6e32f84b63c054e09392153125d7202abab2d14b","status":"affected","versionType":"git"},{"version":"ec987c0654651036dad6a42f7fa2a6d7c16a3687","status":"affected","versionType":"git"},{"version":"c92686867638cda954fdb2bdbac8a75e3aa6eaae","status":"affected","versionType":"git"},{"version":"6.1.188","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.157","status":"affected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.110","status":"affected","lessThan":"6.13","versionType":"semver"},{"version":"6.1.191","status":"affected","lessThan":"6.2","versionType":"semver"},{"version":"6.6.160","status":"affected","lessThan":"6.7","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/erdma/erdma_main.c","drivers/infiniband/hw/erdma/erdma_verbs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6.18.52","status":"affected","lessThan":"6.18.58","versionType":"semver"},{"version":"7.2.6","status":"affected","lessThan":"7.2.8","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/erdma/erdma_main.c","drivers/infiniband/hw/erdma/erdma_verbs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e32aa1d85126e6d5ef6efd594ced3f75178886ce"},{"url":"https://git.kernel.org/stable/c/74d4085221a7ec5440996af199ccadfa75b9eb0e"},{"url":"https://git.kernel.org/stable/c/00baeade709fb66da647e8327e8398bb532e30f7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:38:02.585Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.52","versionEndExcluding":"6.18.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.2.6","versionEndExcluding":"7.2.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.110"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}