{"id":"CVE-2026-23070","title":"Octeontx2-af: Add proper checks for fwdata","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nOcteontx2-af: Add proper checks for fwdata\n\nfirmware populates MAC address, link modes (supported, advertised)\nand EEPROM data in shared firmware structure which kernel…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < 079050a23de6b7505595e4af75b36c34f0e9627e","Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < e343973fab43c266a40e4e0dabdc4216db6d5eff","Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < 4a3dba48188208e4f66822800e042686784d29d1","Linux 6.9"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:19:09.906598Z"},"published":"2026-02-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:23:16.364Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-23070","references":[{"url":"https://git.kernel.org/stable/c/079050a23de6b7505595e4af75b36c34f0e9627e"},{"url":"https://git.kernel.org/stable/c/e343973fab43c266a40e4e0dabdc4216db6d5eff"},{"url":"https://git.kernel.org/stable/c/4a3dba48188208e4f66822800e042686784d29d1"}],"tags":["cve.org"],"epss":0.00145,"epssPercentile":0.03754,"ingestedAt":"2026-11-05T22:38:32.067Z","slug":"CVE-2026-23070","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nOcteontx2-af: Add proper checks for fwdata\n\nfirmware populates MAC address, link modes (supported, advertised)\nand EEPROM data in shared firmware structure which kernel access\nvia MAC block(CGX/RPM).\n\nAccessing fwdata, on boards booted with out MAC block leading to\nkernel panics.\n\nInternal error: Oops: 0000000096000005 [#1]  SMP\n[   10.460721] Modules linked in:\n[   10.463779] CPU: 0 UID: 0 PID: 174 Comm: kworker/0:3 Not tainted 6.19.0-rc5-00154-g76ec646abdf7-dirty #3 PREEMPT\n[   10.474045] Hardware name: Marvell OcteonTX CN98XX board (DT)\n[   10.479793] Workqueue: events work_for_cpu_fn\n[   10.484159] pstate: 80400009 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[   10.491124] pc : rvu_sdp_init+0x18/0x114\n[   10.495051] lr : rvu_probe+0xe58/0x1d18\n\n## Affected\n\n- `Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < 079050a23de6b7505595e4af75b36c34f0e9627e`\n- `Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < e343973fab43c266a40e4e0dabdc4216db6d5eff`\n- `Linux >= 997814491cee7b19c162ad82439818e555f99ad9 < 4a3dba48188208e4f66822800e042686784d29d1`\n- `Linux 6.9`\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":[]}