CVE-2026-80740

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80740", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.790Z", "datePublished": "2026-09-03T08:26:24.706Z", "dateUpdated": "2026-09-03T08:26:24.706Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-09-03T08:26:24.706Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/log: Fix infinite loop when scale is too large for display\n\nWhen scale is large enough that scaled_font exceeds the display\ndimensions, rows or columns become 0. A columns value of 0 causes\nan infinite loop in drm_log_draw_kmsg_record() because the loop\nnever decrements len.\n\nCheck for zero rows/columns in drm_log_setup_modeset() and return\nan error, cleaning up the already allocated buffer to avoid a leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/clients/drm_log.c"], "versions": [{"version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "lessThan": "a7d172b27aa3e1ad56e39949bfe4e5caa25fb20b", "status": "affected", "versionType": "git"}, {"version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "lessThan": "50ca4dbbaf3eb6deb74daca360b4dabc739a6fa6", "status": "affected", "versionType": "git"}, {"version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "lessThan": "f4f2bba28df9b9aaa00262a462139dbbcdc38d9f", "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/gpu/drm/clients/drm_log.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "6.14", "versionEndExcluding": "6.18.46"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a7d172b27aa3e1ad56e39949bfe4e5caa25fb20b"}, {"url": "https://git.kernel.org/stable/c/50ca4dbbaf3eb6deb74daca360b4dabc739a6fa6"}, {"url": "https://git.kernel.org/stable/c/f4f2bba28df9b9aaa00262a462139dbbcdc38d9f"}], "title": "drm/log: Fix infinite loop when scale is too large for display", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/clients/drm_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a7d172b27aa3e1ad56e39949bfe4e5caa25fb20b", "status": "affected", "version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "versionType": "git"}, {"lessThan": "50ca4dbbaf3eb6deb74daca360b4dabc739a6fa6", "status": "affected", "version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "versionType": "git"}, {"lessThan": "f4f2bba28df9b9aaa00262a462139dbbcdc38d9f", "status": "affected", "version": "8a4b913df427b8f900bcc7849cc15a7b81628d57", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/clients/drm_log.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/log: Fix infinite loop when scale is too large for display\n\nWhen scale is large enough that scaled_font exceeds the display\ndimensions, rows or columns become 0. A columns value of 0 causes\nan infinite loop in drm_log_draw_kmsg_record() because the loop\nnever decrements len.\n\nCheck for zero rows/columns in drm_log_setup_modeset() and return\nan error, cleaning up the already allocated buffer to avoid a leak."}], "id": "CVE-2026-80740", "lastModified": "2026-09-03T13:06:13.190", "metrics": {}, "published": "2026-09-03T13:06:13.190", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/50ca4dbbaf3eb6deb74daca360b4dabc739a6fa6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a7d172b27aa3e1ad56e39949bfe4e5caa25fb20b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f4f2bba28df9b9aaa00262a462139dbbcdc38d9f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a4b913df427b8f900bcc7849cc15a7b81628d57,a7d172b27aa3e1ad56e39949bfe4e5caa25fb20b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a4b913df427b8f900bcc7849cc15a7b81628d57,50ca4dbbaf3eb6deb74daca360b4dabc739a6fa6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8a4b913df427b8f900bcc7849cc15a7b81628d57,f4f2bba28df9b9aaa00262a462139dbbcdc38d9f)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.14"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.14)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.46,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.10,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-03T13:15:04.683180+00:00", "updated": "2026-09-03T15:45:05.043793+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-795"]}