CVE-2026-80689

{"id": "CVE-2026-80689", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "dc1b1a057b3bb901f83433700e604fe0ae67c5f2", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "6aee2d478545c089dd5d055d3c9f0c7ea034fb80", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "4e4ab09db7899d7f2d2293a18adf0fa200a27e73", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "2df964d141270c40f07547b0c2e0a51e2573d46d", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "876014b4eeb927146430e7591cf959a7ceb8d64a", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "a20a0010eb6485f60cd64e15ebc85a4bd388642e", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "60234845142fddb27db89ebc00a65178421fb3a4", "versionType": "git"}, {"status": "affected", "version": "f984b51e0779a6dd30feedc41404013ca54e5d05", "lessThan": "12b80cdbc54cf615b4717a4e8180063408091ea2", "versionType": "git"}], "programFiles": ["kernel/trace/trace_mmiotrace.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.27"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.27", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.270", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.221", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.188", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.157", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.103", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.44", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.8", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["kernel/trace/trace_mmiotrace.c"], "defaultStatus": "affected"}]}], "published": "2026-08-28T08:16:54.390", "references": [{"url": "https://git.kernel.org/stable/c/12b80cdbc54cf615b4717a4e8180063408091ea2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2df964d141270c40f07547b0c2e0a51e2573d46d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4e4ab09db7899d7f2d2293a18adf0fa200a27e73", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/60234845142fddb27db89ebc00a65178421fb3a4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6aee2d478545c089dd5d055d3c9f0c7ea034fb80", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/876014b4eeb927146430e7591cf959a7ceb8d64a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a20a0010eb6485f60cd64e15ebc85a4bd388642e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc1b1a057b3bb901f83433700e604fe0ae67c5f2", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing/mmiotrace: Add NULL check for mmio_trace_array in logging functions\n\nmmio_trace_rw() and mmio_trace_mapping() retrieve mmio_trace_array into\ntr and pass it to __trace_mmiotrace_rw() and __trace_mmiotrace_map().\nIf these functions are invoked while mmio_trace_array is NULL (e.g. before\ninitialization or after disabled), accessing tr->array_buffer.buffer will\nresult in a NULL pointer dereference crash.\n\nFix this by adding an explicit NULL check for tr at the beginning of\n__trace_mmiotrace_rw() and __trace_mmiotrace_map()."}], "lastModified": "2026-09-14T13:18:48.357", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}