{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90085","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-11T19:38:34.785Z","datePublished":"2026-09-17T16:06:01.525Z","dateUpdated":"2026-09-17T16:06:01.525Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-09-17T16:06:01.525Z"},"descriptions":[{"lang":"en","value":"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c"],"versions":[{"version":"b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354","lessThan":"fb736d733b0a60377cf53010571c261886446fd5","status":"affected","versionType":"git"},{"version":"b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354","lessThan":"537e11a1700f64dc6754108f0e1333ad63d4f548","status":"affected","versionType":"git"},{"version":"b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354","lessThan":"fdf7358e2688f12eff41290bc45030b7aff0845e","status":"affected","versionType":"git"},{"version":"b907194a5d5bcd3b01d28d095f6a4d9fcd9c5354","lessThan":"ec65631bd5ec251cdf67a4919fac7a3149a6e235","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c"],"versions":[{"version":"6.11","status":"affected"},{"version":"0","lessThan":"6.11","status":"unaffected","versionType":"semver"},{"version":"6.12.110","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.52","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3-rc1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"7.3-rc1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/fb736d733b0a60377cf53010571c261886446fd5"},{"url":"https://git.kernel.org/stable/c/537e11a1700f64dc6754108f0e1333ad63d4f548"},{"url":"https://git.kernel.org/stable/c/fdf7358e2688f12eff41290bc45030b7aff0845e"},{"url":"https://git.kernel.org/stable/c/ec65631bd5ec251cdf67a4919fac7a3149a6e235"}],"title":"octeontx2-af: fix NULL deref in NIX TM tree debugfs read path","x_generator":{"engine":"bippy-1.2.0"}}}}