{"id":"CVE-2026-90085","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix NULL deref in NIX TM tree debugfs read path\n\nrvu_dbg_nix_tm_tree_display() dereferences pfvf->sq_ctx without\nchecking whether the SQ context has been …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix NULL deref in NIX TM tree debugfs read path\n\nrvu_dbg_nix_tm_tree_display() dereferences pfvf->sq_ctx without\nchecking whether the SQ context has been …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 < fb736d733b0a60377cf53010571c261886446fd5","Linux >= b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 < 537e11a1700f64dc6754108f0e1333ad63d4f548","Linux >= b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 < fdf7358e2688f12eff41290bc45030b7aff0845e","Linux >= b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354 < ec65631bd5ec251cdf67a4919fac7a3149a6e235","Linux 6.11"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:16:57.957","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90085","references":[{"url":"https://git.kernel.org/stable/c/537e11a1700f64dc6754108f0e1333ad63d4f548","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec65631bd5ec251cdf67a4919fac7a3149a6e235","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fb736d733b0a60377cf53010571c261886446fd5","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fdf7358e2688f12eff41290bc45030b7aff0845e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-17T16:21:47.894Z","epss":0.002,"epssPercentile":0.10164,"slug":"CVE-2026-90085","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-af: fix NULL deref in NIX TM tree debugfs read path\n\nrvu_dbg_nix_tm_tree_display() dereferences pfvf->sq_ctx without\nchecking whether the SQ context has been allocated. Reading\n/sys/kernel/debug/octeontx2/nix/tm_tree for a NIX LF whose transmit\nqueues are not set up triggers a kernel oops.\n\nGuard the read path the same way rvu_dbg_nix_tm_tree_write() already\ndoes and return -EINVAL with a seq_file message when sq_ctx is NULL.\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":[]}