{"id":"CVE-2026-80874","summary":"arm64: dts: renesas: ironhide: Describe inline ECC carveouts","details":"In the Linux kernel, the following vulnerability has been resolved:\n\narm64: dts: renesas: ironhide: Describe inline ECC carveouts\n\nThe DBSC5 DRAM controller protects DRAM content using inline ECC.\nThe inline ECC utilizes areas of DRAM for its operation, which are\nin the DRAM address range, but must not be accessed or modified.\nDescribe the inline ECC carveout areas used by the DBSC5 controller\non this hardware as reserved-memory, which must not be accessed.\nInclude DRAM areas which are unprotected by ECC as well, those are\nparts of the DRAM which directly precede the ECC carveout.\n\nIn case of high DRAM utilization, unless the inline ECC carveouts\nare properly reserved, Linux may use and corrupt the memory used\nby the DBSC5 DRAM controller for inline ECC, which would lead to\nthe system becoming unstable.","modified":"2026-09-06T03:47:01.227551126Z","published":"2026-09-04T16:48:46.209Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80874.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6fa6ee724d8dadf392139e242ac936b5da730c4b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7cc51bb053f6b4bb17db4e10afcef3147566cb47"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80874.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80874"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ad142a4ef7106326bbf5c67eb39f21ef77fe8be3"},{"fixed":"7cc51bb053f6b4bb17db4e10afcef3147566cb47"},{"fixed":"6fa6ee724d8dadf392139e242ac936b5da730c4b"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80874.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80874.json"}}],"schema_version":"1.9.0"}