{"id":"CVE-2026-93279","title":"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","summary":"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. …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < 32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < d15226338dfaa84ffff142d32723cdf74d0c47c4","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < b6365e4186322858a82c8713b1d0bd209c8e765a","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < 03d12490afd1198310ad0aba42462329832eb739","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < 2c0c9956596e48654bb4855e2a0742748a0826a7","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < 41a79bd9e5a74f8f483b3b206d10567912874fb4","Linux >= 4898c560103fb8075c10a8e9d70e0ca26873075e < b9af44b0d20b2247c4eb0ea5cfca907d643eea50","Linux 2.6.34"],"published":"2026-09-24","updated":"2026-09-24","sourceUpdated":"2026-09-24T16:17:25.147","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93279","references":[{"url":"https://git.kernel.org/stable/c/03d12490afd1198310ad0aba42462329832eb739","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2c0c9956596e48654bb4855e2a0742748a0826a7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/32efcb6d5f4e3f030e7b0a3ba5c6c0684dd07486","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/41a79bd9e5a74f8f483b3b206d10567912874fb4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a77efd85e0d48c877f66d2bc3ab89cc1b8dacd19","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b6365e4186322858a82c8713b1d0bd209c8e765a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b9af44b0d20b2247c4eb0ea5cfca907d643eea50","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d15226338dfaa84ffff142d32723cdf74d0c47c4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-24T16:47:15.841Z","slug":"CVE-2026-93279","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}