{"api_version":"1","generated_at":"2026-05-11T11:03:43+00:00","cve":"CVE-2026-43469","urls":{"html":"https://cve.report/CVE-2026-43469","api":"https://cve.report/api/cve/CVE-2026-43469.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43469","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43469"},"summary":{"title":"xprtrdma: Decrement re_receiving on the early exit paths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n    INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n          Tainted: G S          E       6.19.0 #3\n    \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n    task:kworker/u385:17 state:D stack:0     pid:8393  tgid:8393  ppid:2      task_flags:0x4248060 flags:0x00080000\n    Workqueue: xprtiod xprt_autoclose [sunrpc]\n    Call Trace:\n     <TASK>\n     __schedule+0x48b/0x18b0\n     ? ib_post_send_mad+0x247/0xae0 [ib_core]\n     schedule+0x27/0xf0\n     schedule_timeout+0x104/0x110\n     __wait_for_common+0x98/0x180\n     ? __pfx_schedule_timeout+0x10/0x10\n     wait_for_completion+0x24/0x40\n     rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n     xprt_rdma_close+0x12/0x40 [rpcrdma]\n     xprt_autoclose+0x5f/0x120 [sunrpc]\n     process_one_work+0x191/0x3e0\n     worker_thread+0x2e3/0x420\n     ? __pfx_worker_thread+0x10/0x10\n     kthread+0x10d/0x230\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork+0x273/0x2b0\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork_asm+0x1a/0x30","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 15:16:59","updated_at":"2026-05-11 08:16:15"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db","name":"https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b","name":"https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf","name":"https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849","name":"https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9","name":"https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b","name":"https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb","name":"https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43469","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43469","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 7ea69259a60a364f56cf4aa9e2eafb588d1c762b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 8cb6b5d8296b1f99a8d36849901ebabfe3f749db git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 74c39a47856bddcde7874f2196a00143b5cd0af9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 49f53ee4e25297d886f14e31f355ad1c2735ddfb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 8127b5fec04757c2a41ed65bca0b3266968efd3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 15788d1d1077ebe029c48842c738876516d85076 7b6275c80a0c81c5f8943272292dfe67730ce849 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.203 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.167 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.130 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.78 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.19 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.9 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43469","cve":"CVE-2026-43469","epss":"0.000240000","percentile":"0.070400000","score_date":"2026-05-10","updated_at":"2026-05-11 00:14:41"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sunrpc/xprtrdma/verbs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7ea69259a60a364f56cf4aa9e2eafb588d1c762b","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"8cb6b5d8296b1f99a8d36849901ebabfe3f749db","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"74c39a47856bddcde7874f2196a00143b5cd0af9","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"49f53ee4e25297d886f14e31f355ad1c2735ddfb","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"8127b5fec04757c2a41ed65bca0b3266968efd3b","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"},{"lessThan":"7b6275c80a0c81c5f8943272292dfe67730ce849","status":"affected","version":"15788d1d1077ebe029c48842c738876516d85076","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sunrpc/xprtrdma/verbs.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.13"},{"lessThan":"5.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.203","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.167","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.130","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.78","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.19","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.9","versionStartIncluding":"5.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.13","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n    INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n          Tainted: G S          E       6.19.0 #3\n    \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n    task:kworker/u385:17 state:D stack:0     pid:8393  tgid:8393  ppid:2      task_flags:0x4248060 flags:0x00080000\n    Workqueue: xprtiod xprt_autoclose [sunrpc]\n    Call Trace:\n     <TASK>\n     __schedule+0x48b/0x18b0\n     ? ib_post_send_mad+0x247/0xae0 [ib_core]\n     schedule+0x27/0xf0\n     schedule_timeout+0x104/0x110\n     __wait_for_common+0x98/0x180\n     ? __pfx_schedule_timeout+0x10/0x10\n     wait_for_completion+0x24/0x40\n     rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n     xprt_rdma_close+0x12/0x40 [rpcrdma]\n     xprt_autoclose+0x5f/0x120 [sunrpc]\n     process_one_work+0x191/0x3e0\n     worker_thread+0x2e3/0x420\n     ? __pfx_worker_thread+0x10/0x10\n     kthread+0x10d/0x230\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork+0x273/0x2b0\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork_asm+0x1a/0x30"}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-05-11T06:34:57.133Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b"},{"url":"https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db"},{"url":"https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9"},{"url":"https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb"},{"url":"https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b"},{"url":"https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf"},{"url":"https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849"}],"title":"xprtrdma: Decrement re_receiving on the early exit paths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43469","datePublished":"2026-05-08T14:22:29.550Z","dateReserved":"2026-05-01T14:12:56.011Z","dateUpdated":"2026-05-11T06:34:57.133Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 15:16:59","lastModifiedDate":"2026-05-11 08:16:15","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43469","Ordinal":"1","Title":"xprtrdma: Decrement re_receiving on the early exit paths","CVE":"CVE-2026-43469","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43469","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n    INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n          Tainted: G S          E       6.19.0 #3\n    \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n    task:kworker/u385:17 state:D stack:0     pid:8393  tgid:8393  ppid:2      task_flags:0x4248060 flags:0x00080000\n    Workqueue: xprtiod xprt_autoclose [sunrpc]\n    Call Trace:\n     <TASK>\n     __schedule+0x48b/0x18b0\n     ? ib_post_send_mad+0x247/0xae0 [ib_core]\n     schedule+0x27/0xf0\n     schedule_timeout+0x104/0x110\n     __wait_for_common+0x98/0x180\n     ? __pfx_schedule_timeout+0x10/0x10\n     wait_for_completion+0x24/0x40\n     rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n     xprt_rdma_close+0x12/0x40 [rpcrdma]\n     xprt_autoclose+0x5f/0x120 [sunrpc]\n     process_one_work+0x191/0x3e0\n     worker_thread+0x2e3/0x420\n     ? __pfx_worker_thread+0x10/0x10\n     kthread+0x10d/0x230\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork+0x273/0x2b0\n     ? __pfx_kthread+0x10/0x10\n     ret_from_fork_asm+0x1a/0x30","Type":"Description","Title":"xprtrdma: Decrement re_receiving on the early exit paths"}]}}}