{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31605", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-03-09T15:48:24.122Z", "datePublished": "2026-04-24T14:42:28.120Z", "dateUpdated": "2026-06-01T16:12:27.511Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-01T16:12:27.511Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO\n\nMuch like commit 19f953e74356 (\"fbdev: fb_pm2fb: Avoid potential divide\nby zero error\"), we also need to prevent that same crash from happening\nin the udlfb driver as it uses pixclock directly when dividing, which\nwill crash."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/udlfb.c"], "versions": [{"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "828ce54b27de93bd9c67991bca5a2c76c76742de", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "cce24f70090e0decb597b88bc52e8ef8efed6105", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "03797cdee38ef19c87785622d423aabaafb71c5f", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "6de048d78f3029744778b7a2891745f3ca7c209a", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "afaaaa38579f1252bb42b145f6e88a955c4f73f3", "status": "affected", "versionType": "git"}, {"version": "59277b679f8b5ce594e367759256668eba652d0d", "lessThan": "a31e4518bec70333a0a98f2946a12b53b45fe5b9", "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/video/fbdev/udlfb.c"], "versions": [{"version": "2.6.34", "status": "affected"}, {"version": "0", "lessThan": "2.6.34", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.136", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.83", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.24", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.14", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.1", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "2.6.34", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.6.136"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.12.83"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.18.24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "6.19.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.0.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564"}, {"url": "https://git.kernel.org/stable/c/fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5"}, {"url": "https://git.kernel.org/stable/c/828ce54b27de93bd9c67991bca5a2c76c76742de"}, {"url": "https://git.kernel.org/stable/c/cce24f70090e0decb597b88bc52e8ef8efed6105"}, {"url": "https://git.kernel.org/stable/c/03797cdee38ef19c87785622d423aabaafb71c5f"}, {"url": "https://git.kernel.org/stable/c/6de048d78f3029744778b7a2891745f3ca7c209a"}, {"url": "https://git.kernel.org/stable/c/cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8"}, {"url": "https://git.kernel.org/stable/c/afaaaa38579f1252bb42b145f6e88a955c4f73f3"}, {"url": "https://git.kernel.org/stable/c/a31e4518bec70333a0a98f2946a12b53b45fe5b9"}], "title": "fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BC733B39-C7FC-46A8-9E89-D10969EC8C99", "versionEndExcluding": "6.6.136", "versionStartIncluding": "2.6.34", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7F0AE5B5-23AC-4DCC-B37A-51CA1DAE7BA8", "versionEndExcluding": "6.12.83", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8126B8B8-6D0B-4443-86C1-672AEE893555", "versionEndExcluding": "6.18.24", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D6A8A074-BBF4-4803-ABED-519A839435BB", "versionEndExcluding": "6.19.14", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9B5888AB-7403-4335-89E4-21CC0B48366A", "versionEndExcluding": "7.0.1", "versionStartIncluding": "7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO\n\nMuch like commit 19f953e74356 (\"fbdev: fb_pm2fb: Avoid potential divide\nby zero error\"), we also need to prevent that same crash from happening\nin the udlfb driver as it uses pixclock directly when dividing, which\nwill crash."}], "id": "CVE-2026-31605", "lastModified": "2026-06-01T17:16:51.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-04-24T15:16:39.730", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03797cdee38ef19c87785622d423aabaafb71c5f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6de048d78f3029744778b7a2891745f3ca7c209a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/828ce54b27de93bd9c67991bca5a2c76c76742de"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9981de9fb5ae0d3d6bc5ff5ca63350c2a3cdc564"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a31e4518bec70333a0a98f2946a12b53b45fe5b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/afaaaa38579f1252bb42b145f6e88a955c4f73f3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cce24f70090e0decb597b88bc52e8ef8efed6105"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd50ab7dd4ee5bbb4aebffa76ae18484b03a8ea5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-369"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: fbdev: udlfb: avoid divide-by-zero on FBIOPUT_VSCREENINFO", "id": "2461511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2461511"}, "csaw": false, "cwe": "CWE-369", "details": ["A flaw was found in the Linux kernel's udlfb driver. A local user could exploit a divide-by-zero error when the system processes `FBIOPUT_VSCREENINFO` operations. This vulnerability can lead to a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-31605", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-04-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-31605\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-31605\nhttps://lore.kernel.org/linux-cve-announce/2026042420-CVE-2026-31605-f29f@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,cce24f70090e0decb597b88bc52e8ef8efed6105)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,03797cdee38ef19c87785622d423aabaafb71c5f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,6de048d78f3029744778b7a2891745f3ca7c209a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,cccbf9b7fdab48ce4feb69c24f7f928aa8e4e8b8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,afaaaa38579f1252bb42b145f6e88a955c4f73f3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[59277b679f8b5ce594e367759256668eba652d0d,a31e4518bec70333a0a98f2946a12b53b45fe5b9)"}}], "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": "2.6.34"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.34)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.136,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.83,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.24,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.14,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.1,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1-rc1,*]"}}], "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": "2026-04-27T19:00:15.623465+00:00", "updated": "2026-04-30T04:15:26.366965+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}