{"apiVersion":"1.0","identifier":"CVE-2026-80639","description":"In the Linux kernel, the following vulnerability has been resolved: cxl/test: Fix __fortify_panic Fix a runtime assertion in setup_xor_mapping(). Fortify complains that it is potentially overflowing the xormaps array per __counted_by(nr_maps). Quiet the false positive by initializing @nr_maps earlier. memcpy: detected buffer overflow: 32 byte write of buffer size 0 WARNING: lib/string_helpers.c:1036 at __fortify_report+0x4d/0xa0, CPU#8: modprobe/2728 Call Trace: __fortify_panic+0xd/0xf setup_xor_mapping+0x6c/0xa0 [cxl_translate] [ dj: Fixed up @nr_entries to @nr_maps in commit log. ]","publishedAt":"2026-08-28T08:16:48","lastModifiedAt":"2026-08-28T08:16:48","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80639","cvssScore":null,"cvssVector":"Pending","epssProbability":0.00171,"riskScore":0,"affectedProduct":"Linux kernel","affectedVersions":"unknown","vulnerabilityType":"Kernel","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-80639","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-80639","en":"https://www.redsauce.net/en/cves/CVE-2026-80639","fr":"https://www.redsauce.net/fr/cves/CVE-2026-80639","pt":"https://www.redsauce.net/pt/cves/CVE-2026-80639","de":"https://www.redsauce.net/de/cves/CVE-2026-80639","sk":"https://www.redsauce.net/sk/cves/CVE-2026-80639","el":"https://www.redsauce.net/el/cves/CVE-2026-80639"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-80639"}}