{"api_version":"1","generated_at":"2026-05-13T07:47:45+00:00","cve":"CVE-2026-31563","urls":{"html":"https://cve.report/CVE-2026-31563","api":"https://cve.report/api/cve/CVE-2026-31563.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31563","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31563"},"summary":{"title":"net: macb: Use dev_consume_skb_any() to free TX SKBs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: Use dev_consume_skb_any() to free TX SKBs\n\nThe napi_consume_skb() function is not intended to be called in an IRQ\ndisabled context. However, after commit 6bc8a5098bf4 (\"net: macb: Fix\ntx_ptr_lock locking\"), the freeing of TX SKBs is performed with IRQs\ndisabled. To resolve the following call trace, use dev_consume_skb_any()\nfor freeing TX SKBs:\n   WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15\n   Modules linked in:\n   CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT\n   Hardware name: ZynqMP ZCU102 Rev1.1 (DT)\n   pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n   pc : __local_bh_enable_ip+0x174/0x188\n   lr : local_bh_enable+0x24/0x38\n   sp : ffff800082b3bb10\n   x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0\n   x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80\n   x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000\n   x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001\n   x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000\n   x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650\n   x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258\n   x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000\n   x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000\n   x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc\n   Call trace:\n    __local_bh_enable_ip+0x174/0x188 (P)\n    local_bh_enable+0x24/0x38\n    skb_attempt_defer_free+0x190/0x1d8\n    napi_consume_skb+0x58/0x108\n    macb_tx_poll+0x1a4/0x558\n    __napi_poll+0x50/0x198\n    net_rx_action+0x1f4/0x3d8\n    handle_softirqs+0x16c/0x560\n    run_ksoftirqd+0x44/0x80\n    smpboot_thread_fn+0x1d8/0x338\n    kthread+0x120/0x150\n    ret_from_fork+0x10/0x20\n   irq event stamp: 29751\n   hardirqs last  enabled at (29750): [<ffff8000813be184>] _raw_spin_unlock_irqrestore+0x44/0x88\n   hardirqs last disabled at (29751): [<ffff8000813bdf60>] _raw_spin_lock_irqsave+0x38/0x98\n   softirqs last  enabled at (29150): [<ffff8000800f1aec>] handle_softirqs+0x504/0x560\n   softirqs last disabled at (29153): [<ffff8000800f2fec>] run_ksoftirqd+0x44/0x80","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:30","updated_at":"2026-04-27 20:31:02"},"problem_types":["NVD-CWE-noinfo"],"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/78c8b090a3d5c1689dc989861b0163180db2b3f8","name":"https://git.kernel.org/stable/c/78c8b090a3d5c1689dc989861b0163180db2b3f8","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/647b8a2fe474474704110db6bd07f7a139e621eb","name":"https://git.kernel.org/stable/c/647b8a2fe474474704110db6bd07f7a139e621eb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ca4d05afb4683d685bb2c6fccae4386c478f524a","name":"https://git.kernel.org/stable/c/ca4d05afb4683d685bb2c6fccae4386c478f524a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f4bc91398b579730284328322365afa77a9d568f","name":"https://git.kernel.org/stable/c/f4bc91398b579730284328322365afa77a9d568f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/984350b37372f79f71d4f0a5264c640e40daf9ce","name":"https://git.kernel.org/stable/c/984350b37372f79f71d4f0a5264c640e40daf9ce","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/92e7081f0c79d9073087e54bab745bb184192c2e","name":"https://git.kernel.org/stable/c/92e7081f0c79d9073087e54bab745bb184192c2e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31563","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31563","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected aeeafeb29b1b270302a9a85a13f7d70a68a3b9e6 92e7081f0c79d9073087e54bab745bb184192c2e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5430388a81113e62a2d48b5d7dc1e76231908ebf 78c8b090a3d5c1689dc989861b0163180db2b3f8 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7db8aa3fc4ed0a2928246747b2514b0741a8187e 984350b37372f79f71d4f0a5264c640e40daf9ce git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6bc8a5098bf4a365c4086a4a4130bfab10a58260 f4bc91398b579730284328322365afa77a9d568f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6bc8a5098bf4a365c4086a4a4130bfab10a58260 ca4d05afb4683d685bb2c6fccae4386c478f524a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6bc8a5098bf4a365c4086a4a4130bfab10a58260 647b8a2fe474474704110db6bd07f7a139e621eb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected a4cb0a15ab8e6d06c08229a2c7bdbe1f2454473f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.17","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.17 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.168 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.131 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.80 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.21 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.11 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":[{"cve_year":"2026","cve_id":"31563","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"31563","cve":"CVE-2026-31563","epss":"0.000240000","percentile":"0.067850000","score_date":"2026-04-27","updated_at":"2026-04-28 00:06:44"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/ethernet/cadence/macb_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"92e7081f0c79d9073087e54bab745bb184192c2e","status":"affected","version":"aeeafeb29b1b270302a9a85a13f7d70a68a3b9e6","versionType":"git"},{"lessThan":"78c8b090a3d5c1689dc989861b0163180db2b3f8","status":"affected","version":"5430388a81113e62a2d48b5d7dc1e76231908ebf","versionType":"git"},{"lessThan":"984350b37372f79f71d4f0a5264c640e40daf9ce","status":"affected","version":"7db8aa3fc4ed0a2928246747b2514b0741a8187e","versionType":"git"},{"lessThan":"f4bc91398b579730284328322365afa77a9d568f","status":"affected","version":"6bc8a5098bf4a365c4086a4a4130bfab10a58260","versionType":"git"},{"lessThan":"ca4d05afb4683d685bb2c6fccae4386c478f524a","status":"affected","version":"6bc8a5098bf4a365c4086a4a4130bfab10a58260","versionType":"git"},{"lessThan":"647b8a2fe474474704110db6bd07f7a139e621eb","status":"affected","version":"6bc8a5098bf4a365c4086a4a4130bfab10a58260","versionType":"git"},{"status":"affected","version":"a4cb0a15ab8e6d06c08229a2c7bdbe1f2454473f","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/ethernet/cadence/macb_main.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.11","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":"6.1.168","versionStartIncluding":"6.1.151","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.131","versionStartIncluding":"6.6.105","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.80","versionStartIncluding":"6.12.46","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.21","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.11","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.17","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: Use dev_consume_skb_any() to free TX SKBs\n\nThe napi_consume_skb() function is not intended to be called in an IRQ\ndisabled context. However, after commit 6bc8a5098bf4 (\"net: macb: Fix\ntx_ptr_lock locking\"), the freeing of TX SKBs is performed with IRQs\ndisabled. To resolve the following call trace, use dev_consume_skb_any()\nfor freeing TX SKBs:\n   WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15\n   Modules linked in:\n   CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT\n   Hardware name: ZynqMP ZCU102 Rev1.1 (DT)\n   pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n   pc : __local_bh_enable_ip+0x174/0x188\n   lr : local_bh_enable+0x24/0x38\n   sp : ffff800082b3bb10\n   x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0\n   x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80\n   x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000\n   x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001\n   x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000\n   x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650\n   x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258\n   x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000\n   x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000\n   x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc\n   Call trace:\n    __local_bh_enable_ip+0x174/0x188 (P)\n    local_bh_enable+0x24/0x38\n    skb_attempt_defer_free+0x190/0x1d8\n    napi_consume_skb+0x58/0x108\n    macb_tx_poll+0x1a4/0x558\n    __napi_poll+0x50/0x198\n    net_rx_action+0x1f4/0x3d8\n    handle_softirqs+0x16c/0x560\n    run_ksoftirqd+0x44/0x80\n    smpboot_thread_fn+0x1d8/0x338\n    kthread+0x120/0x150\n    ret_from_fork+0x10/0x20\n   irq event stamp: 29751\n   hardirqs last  enabled at (29750): [<ffff8000813be184>] _raw_spin_unlock_irqrestore+0x44/0x88\n   hardirqs last disabled at (29751): [<ffff8000813bdf60>] _raw_spin_lock_irqsave+0x38/0x98\n   softirqs last  enabled at (29150): [<ffff8000800f1aec>] handle_softirqs+0x504/0x560\n   softirqs last disabled at (29153): [<ffff8000800f2fec>] run_ksoftirqd+0x44/0x80"}],"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":"2026-04-27T14:04:05.798Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/92e7081f0c79d9073087e54bab745bb184192c2e"},{"url":"https://git.kernel.org/stable/c/78c8b090a3d5c1689dc989861b0163180db2b3f8"},{"url":"https://git.kernel.org/stable/c/984350b37372f79f71d4f0a5264c640e40daf9ce"},{"url":"https://git.kernel.org/stable/c/f4bc91398b579730284328322365afa77a9d568f"},{"url":"https://git.kernel.org/stable/c/ca4d05afb4683d685bb2c6fccae4386c478f524a"},{"url":"https://git.kernel.org/stable/c/647b8a2fe474474704110db6bd07f7a139e621eb"}],"title":"net: macb: Use dev_consume_skb_any() to free TX SKBs","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31563","datePublished":"2026-04-24T14:35:44.610Z","dateReserved":"2026-03-09T15:48:24.116Z","dateUpdated":"2026-04-27T14:04:05.798Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:30","lastModifiedDate":"2026-04-27 20:31:02","problem_types":["NVD-CWE-noinfo"],"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":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.151","versionEndExcluding":"6.1.168","matchCriteriaId":"6468B51A-D3CD-45F2-88B1-0D3D9E733B35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.105","versionEndExcluding":"6.6.131","matchCriteriaId":"AE86A654-AD51-494F-B566-F414BE18B4C5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12.46","versionEndExcluding":"6.12.80","matchCriteriaId":"C4349E2C-F7A7-436A-ABF7-490B6A65F94F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.16.6","versionEndExcluding":"6.17","matchCriteriaId":"92625292-0FEA-4DC5-932B-1EC5C57AED85"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.1","versionEndExcluding":"6.18.21","matchCriteriaId":"44CB3599-9974-4F35-B3CC-580CAC6FA38B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.11","matchCriteriaId":"4CA2E747-A9EC-4518-9AA2-B4247FC748B7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*","matchCriteriaId":"7CC8B11D-82DC-4958-8DC7-BF5CC829A5E9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*","matchCriteriaId":"512EE3A8-A590-4501-9A94-5D4B268D6138"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31563","Ordinal":"1","Title":"net: macb: Use dev_consume_skb_any() to free TX SKBs","CVE":"CVE-2026-31563","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31563","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: macb: Use dev_consume_skb_any() to free TX SKBs\n\nThe napi_consume_skb() function is not intended to be called in an IRQ\ndisabled context. However, after commit 6bc8a5098bf4 (\"net: macb: Fix\ntx_ptr_lock locking\"), the freeing of TX SKBs is performed with IRQs\ndisabled. To resolve the following call trace, use dev_consume_skb_any()\nfor freeing TX SKBs:\n   WARNING: kernel/softirq.c:430 at __local_bh_enable_ip+0x174/0x188, CPU#0: ksoftirqd/0/15\n   Modules linked in:\n   CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 7.0.0-rc4-next-20260319-yocto-standard-dirty #37 PREEMPT\n   Hardware name: ZynqMP ZCU102 Rev1.1 (DT)\n   pstate: 200000c5 (nzCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n   pc : __local_bh_enable_ip+0x174/0x188\n   lr : local_bh_enable+0x24/0x38\n   sp : ffff800082b3bb10\n   x29: ffff800082b3bb10 x28: ffff0008031f3c00 x27: 000000000011ede0\n   x26: ffff000800a7ff00 x25: ffff800083937ce8 x24: 0000000000017a80\n   x23: ffff000803243a78 x22: 0000000000000040 x21: 0000000000000000\n   x20: ffff000800394c80 x19: 0000000000000200 x18: 0000000000000001\n   x17: 0000000000000001 x16: ffff000803240000 x15: 0000000000000000\n   x14: ffffffffffffffff x13: 0000000000000028 x12: ffff000800395650\n   x11: ffff8000821d1528 x10: ffff800081c2bc08 x9 : ffff800081c1e258\n   x8 : 0000000100000301 x7 : ffff8000810426ec x6 : 0000000000000000\n   x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000\n   x2 : 0000000000000008 x1 : 0000000000000200 x0 : ffff8000810428dc\n   Call trace:\n    __local_bh_enable_ip+0x174/0x188 (P)\n    local_bh_enable+0x24/0x38\n    skb_attempt_defer_free+0x190/0x1d8\n    napi_consume_skb+0x58/0x108\n    macb_tx_poll+0x1a4/0x558\n    __napi_poll+0x50/0x198\n    net_rx_action+0x1f4/0x3d8\n    handle_softirqs+0x16c/0x560\n    run_ksoftirqd+0x44/0x80\n    smpboot_thread_fn+0x1d8/0x338\n    kthread+0x120/0x150\n    ret_from_fork+0x10/0x20\n   irq event stamp: 29751\n   hardirqs last  enabled at (29750): [<ffff8000813be184>] _raw_spin_unlock_irqrestore+0x44/0x88\n   hardirqs last disabled at (29751): [<ffff8000813bdf60>] _raw_spin_lock_irqsave+0x38/0x98\n   softirqs last  enabled at (29150): [<ffff8000800f1aec>] handle_softirqs+0x504/0x560\n   softirqs last disabled at (29153): [<ffff8000800f2fec>] run_ksoftirqd+0x44/0x80","Type":"Description","Title":"net: macb: Use dev_consume_skb_any() to free TX SKBs"}]}}}