{"api_version":"1","generated_at":"2026-11-10T07:37:46+00:00","cve":"CVE-2026-93279","urls":{"html":"https://cve.report/CVE-2026-93279","api":"https://cve.report/api/cve/CVE-2026-93279.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93279","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93279"},"summary":{"title":"staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown\n\nThe TX cleanup tasklet can be scheduled by the watchdog IRQ handler\nto execute cvm_oct_tx_do_cleanup. There can be a pending tasklet in\nthe queue which might run after the cvm_oct_remove() frees net_device\nstructures, causing a use-after-free in cvm_oct_tx_do_cleanup() as it\niterates cvm_oct_device[] which is an array of netdevice pointers.\nAdd tasklet_kill() after free_irq() to ensure the tasklet is no longer\nscheduled or running before teardown proceeds.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-24 16:17:25","updated_at":"2026-10-19 10:17:19"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/2c0c9956596e48654bb4855e2a0742748a0826a7","name":"https://git.kernel.org/stable/c/2c0c9956596e48654bb4855e2a0742748a0826a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b9af44b0d20b2247c4eb0ea5cfca907d643eea50","name":"https://git.kernel.org/stable/c/b9af44b0d20b2247c4eb0ea5cfca907d643eea50","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/41a79bd9e5a74f8f483b3b206d10567912874fb4","name":"https://git.kernel.org/stable/c/41a79bd9e5a74f8f483b3b206d10567912874fb4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19","name":"https://git.kernel.org/stable/c/a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/03d12490afd1198310ad0aba42462329832eb739","name":"https://git.kernel.org/stable/c/03d12490afd1198310ad0aba42462329832eb739","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d15226338dfaa84ffff142d32723cdf74d0c47c4","name":"https://git.kernel.org/stable/c/d15226338dfaa84ffff142d32723cdf74d0c47c4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486","name":"https://git.kernel.org/stable/c/32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b6365e4186322858a82c8713b1d0bd209c8e765a","name":"https://git.kernel.org/stable/c/b6365e4186322858a82c8713b1d0bd209c8e765a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93279","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93279","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4898c560103fb8075c10a8e9d70e0ca26873075e 32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4898c560103fb8075c10a8e9d70e0ca26873075e d15226338dfaa84ffff142d32723cdf74d0c47c4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4898c560103fb8075c10a8e9d70e0ca26873075e a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4898c560103fb8075c10a8e9d70e0ca26873075e b6365e4186322858a82c8713b1d0bd209c8e765a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.221 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.188 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/staging/octeon/ethernet-tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"d15226338dfaa84ffff142d32723cdf74d0c47c4","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"b6365e4186322858a82c8713b1d0bd209c8e765a","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"03d12490afd1198310ad0aba42462329832eb739","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"2c0c9956596e48654bb4855e2a0742748a0826a7","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"41a79bd9e5a74f8f483b3b206d10567912874fb4","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"},{"lessThan":"b9af44b0d20b2247c4eb0ea5cfca907d643eea50","status":"affected","version":"4898c560103fb8075c10a8e9d70e0ca26873075e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/staging/octeon/ethernet-tx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.270","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.221","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.188","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.270","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.221","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.188","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"2.6.34","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"2.6.34","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown\n\nThe TX cleanup tasklet can be scheduled by the watchdog IRQ handler\nto execute cvm_oct_tx_do_cleanup. There can be a pending tasklet in\nthe queue which might run after the cvm_oct_remove() frees net_device\nstructures, causing a use-after-free in cvm_oct_tx_do_cleanup() as it\niterates cvm_oct_device[] which is an array of netdevice pointers.\nAdd tasklet_kill() after free_irq() to ensure the tasklet is no longer\nscheduled or running before teardown proceeds."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:08:33.590Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486"},{"url":"https://git.kernel.org/stable/c/d15226338dfaa84ffff142d32723cdf74d0c47c4"},{"url":"https://git.kernel.org/stable/c/a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19"},{"url":"https://git.kernel.org/stable/c/b6365e4186322858a82c8713b1d0bd209c8e765a"},{"url":"https://git.kernel.org/stable/c/03d12490afd1198310ad0aba42462329832eb739"},{"url":"https://git.kernel.org/stable/c/2c0c9956596e48654bb4855e2a0742748a0826a7"},{"url":"https://git.kernel.org/stable/c/41a79bd9e5a74f8f483b3b206d10567912874fb4"},{"url":"https://git.kernel.org/stable/c/b9af44b0d20b2247c4eb0ea5cfca907d643eea50"}],"title":"staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93279","datePublished":"2026-09-24T15:52:21.275Z","dateReserved":"2026-09-17T16:02:15.098Z","dateUpdated":"2026-10-19T09:08:33.590Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-24 16:17:25","lastModifiedDate":"2026-10-19 10:17:19","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93279","Ordinal":"1","Title":"staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown","CVE":"CVE-2026-93279","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93279","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown\n\nThe TX cleanup tasklet can be scheduled by the watchdog IRQ handler\nto execute cvm_oct_tx_do_cleanup. There can be a pending tasklet in\nthe queue which might run after the cvm_oct_remove() frees net_device\nstructures, causing a use-after-free in cvm_oct_tx_do_cleanup() as it\niterates cvm_oct_device[] which is an array of netdevice pointers.\nAdd tasklet_kill() after free_irq() to ensure the tasklet is no longer\nscheduled or running before teardown proceeds.","Type":"Description","Title":"staging: octeon: add missing tasklet_kill in cvm_oct_tx_shutdown"}]}}}