CVE-2026-90417

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90417", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.813Z", "datePublished": "2026-09-17T16:09:42.342Z", "dateUpdated": "2026-10-30T12:35:32.436Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:32.436Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: Fix dereg_skb leak and double free in write_tpt_entry()\n\nWhen the device is in the fatal error state, write_tpt_entry() returns -EIO\nbefore handing the caller's preallocated skb to the transmit path; its\nallocation-failure returns do the same. c4iw_dereg_mr() ignores the error\nand frees mhp, leaking mhp->dereg_skb. c4iw_get_dma_mr() instead frees the\nskb a second time after dereg_mem() already consumed it, a double free.\n\nMake write_tpt_entry() the sole owner of a non-NULL skb, freeing it on\nevery return preceding handoff to c4iw_ofld_send(): fatal error, tpt and\nstag allocation failure. c4iw_ofld_send() consumes the skb on success and\nerror alike, so drop the redundant kfree_skb() in c4iw_get_dma_mr() after\ndereg_mem()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "versions": [{"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "26c6e9bc0b907b880c5d8486291f0452c8227fbe", "status": "affected", "versionType": "git"}, {"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "68c1d2c085f205e8a5338bc3d3304f897deca4d9", "status": "affected", "versionType": "git"}, {"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "379cf06e6fe34af980064c6ccaf15d8e26ec4a42", "status": "affected", "versionType": "git"}, {"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "2fcd26f4680143e9ec477069530548dbe20fce6f", "status": "affected", "versionType": "git"}, {"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "6b15fc9bc117fb6597fa1c2cc30284aafe71101c", "status": "affected", "versionType": "git"}, {"version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "lessThan": "373f3716a2de7adc739269ebb4d87e5bf4dc180c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "versions": [{"version": "4.8", "status": "affected"}, {"version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "4.8", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "6.18.57"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.8", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/26c6e9bc0b907b880c5d8486291f0452c8227fbe"}, {"url": "https://git.kernel.org/stable/c/68c1d2c085f205e8a5338bc3d3304f897deca4d9"}, {"url": "https://git.kernel.org/stable/c/379cf06e6fe34af980064c6ccaf15d8e26ec4a42"}, {"url": "https://git.kernel.org/stable/c/2fcd26f4680143e9ec477069530548dbe20fce6f"}, {"url": "https://git.kernel.org/stable/c/6b15fc9bc117fb6597fa1c2cc30284aafe71101c"}, {"url": "https://git.kernel.org/stable/c/373f3716a2de7adc739269ebb4d87e5bf4dc180c"}], "title": "RDMA/cxgb4: Fix dereg_skb leak and double free in write_tpt_entry()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "26c6e9bc0b907b880c5d8486291f0452c8227fbe", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}, {"lessThan": "68c1d2c085f205e8a5338bc3d3304f897deca4d9", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}, {"lessThan": "379cf06e6fe34af980064c6ccaf15d8e26ec4a42", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}, {"lessThan": "2fcd26f4680143e9ec477069530548dbe20fce6f", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}, {"lessThan": "6b15fc9bc117fb6597fa1c2cc30284aafe71101c", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}, {"lessThan": "373f3716a2de7adc739269ebb4d87e5bf4dc180c", "status": "affected", "version": "0f8ab0b6e91b4d5302ceee5ec12ce54d81297635", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/infiniband/hw/cxgb4/mem.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.8"}, {"lessThan": "4.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.57", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/cxgb4: Fix dereg_skb leak and double free in write_tpt_entry()\n\nWhen the device is in the fatal error state, write_tpt_entry() returns -EIO\nbefore handing the caller's preallocated skb to the transmit path; its\nallocation-failure returns do the same. c4iw_dereg_mr() ignores the error\nand frees mhp, leaking mhp->dereg_skb. c4iw_get_dma_mr() instead frees the\nskb a second time after dereg_mem() already consumed it, a double free.\n\nMake write_tpt_entry() the sole owner of a non-NULL skb, freeing it on\nevery return preceding handoff to c4iw_ofld_send(): fatal error, tpt and\nstag allocation failure. c4iw_ofld_send() consumes the skb on success and\nerror alike, so drop the redundant kfree_skb() in c4iw_get_dma_mr() after\ndereg_mem()."}], "id": "CVE-2026-90417", "lastModified": "2026-10-30T13:20:52.660", "metrics": {}, "published": "2026-09-17T17:17:46.050", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/26c6e9bc0b907b880c5d8486291f0452c8227fbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2fcd26f4680143e9ec477069530548dbe20fce6f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/373f3716a2de7adc739269ebb4d87e5bf4dc180c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/379cf06e6fe34af980064c6ccaf15d8e26ec4a42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/68c1d2c085f205e8a5338bc3d3304f897deca4d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6b15fc9bc117fb6597fa1c2cc30284aafe71101c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f8ab0b6e91b4d5302ceee5ec12ce54d81297635,6b15fc9bc117fb6597fa1c2cc30284aafe71101c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0f8ab0b6e91b4d5302ceee5ec12ce54d81297635,373f3716a2de7adc739269ebb4d87e5bf4dc180c)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,4.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T08:45:06.488249+00:00", "updated": "2026-09-19T14:30:07.407095+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-401"]}