{"id":"CVE-2026-90085","published":"2026-09-17T17:16:57.957","lastModified":"2026-09-17T17:16:57.957","description":"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 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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/537e11a1700f64dc6754108f0e1333ad63d4f548","tags":[]},{"url":"https://git.kernel.org/stable/c/ec65631bd5ec251cdf67a4919fac7a3149a6e235","tags":[]},{"url":"https://git.kernel.org/stable/c/fb736d733b0a60377cf53010571c261886446fd5","tags":[]},{"url":"https://git.kernel.org/stable/c/fdf7358e2688f12eff41290bc45030b7aff0845e","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}