331 lines
16 KiB
JSON
331 lines
16 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2021-47641",
|
|
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Linux",
|
|
"dateReserved": "2025-02-26T01:48:21.519Z",
|
|
"datePublished": "2025-02-26T01:54:12.680Z",
|
|
"dateUpdated": "2026-05-11T13:58:19.521Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
|
|
"shortName": "Linux",
|
|
"dateUpdated": "2026-05-11T13:58:19.521Z"
|
|
},
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: cirrusfb: check pixclock to avoid divide by zero\n\nDo a sanity check on pixclock value to avoid divide by zero.\n\nIf the pixclock value is zero, the cirrusfb driver will round up\npixclock to get the derived frequency as close to maxclock as\npossible.\n\nSyzkaller reported a divide error in cirrusfb_check_pixclock.\n\ndivide error: 0000 [#1] SMP KASAN PTI\nCPU: 0 PID: 14938 Comm: cirrusfb_test Not tainted 5.15.0-rc6 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-2\nRIP: 0010:cirrusfb_check_var+0x6f1/0x1260\n\nCall Trace:\n fb_set_var+0x398/0xf90\n do_fb_ioctl+0x4b8/0x6f0\n fb_ioctl+0xeb/0x130\n __x64_sys_ioctl+0x19d/0x220\n do_syscall_64+0x3a/0x80\n entry_SYSCALL_64_after_hwframe+0x44/0xae"
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"product": "Linux",
|
|
"vendor": "Linux",
|
|
"defaultStatus": "unaffected",
|
|
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
|
|
"programFiles": [
|
|
"drivers/video/fbdev/cirrusfb.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "c656d04247a2654ede5cead2ecbf83431dad5261",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "1d3fb46439ad4e8f0c5739eb33d1875ac9e0f135",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "40b13e3d85744210db13457785646634e2d056bd",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "53a2088a396cfa1da92690a1da289634cd73bf0d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "8c7e2141fb89c620ab4e41512e262fbf25b8260d",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "6fe23ff94e7840097202e85c148688940b37c9b1",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "45800c42ef000f417270bcfc08630e42486fca99",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "e498b504f8c81b07efab9febf8503448de4dc9cf",
|
|
"status": "affected",
|
|
"versionType": "git"
|
|
},
|
|
{
|
|
"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
|
|
"lessThan": "5c6f402bdcf9e7239c6bc7087eda71ac99b31379",
|
|
"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/cirrusfb.c"
|
|
],
|
|
"versions": [
|
|
{
|
|
"version": "2.6.12",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "2.6.12",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "4.9.311",
|
|
"lessThanOrEqual": "4.9.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "4.14.276",
|
|
"lessThanOrEqual": "4.14.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "4.19.238",
|
|
"lessThanOrEqual": "4.19.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.4.189",
|
|
"lessThanOrEqual": "5.4.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.10.110",
|
|
"lessThanOrEqual": "5.10.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.33",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.16.19",
|
|
"lessThanOrEqual": "5.16.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.17.2",
|
|
"lessThanOrEqual": "5.17.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.18",
|
|
"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": "2.6.12",
|
|
"versionEndExcluding": "4.9.311"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "4.14.276"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "4.19.238"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.4.189"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.10.110"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.15.33"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.16.19"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.17.2"
|
|
},
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "2.6.12",
|
|
"versionEndExcluding": "5.18"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/c656d04247a2654ede5cead2ecbf83431dad5261"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/1d3fb46439ad4e8f0c5739eb33d1875ac9e0f135"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/40b13e3d85744210db13457785646634e2d056bd"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/53a2088a396cfa1da92690a1da289634cd73bf0d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/8c7e2141fb89c620ab4e41512e262fbf25b8260d"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/6fe23ff94e7840097202e85c148688940b37c9b1"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/45800c42ef000f417270bcfc08630e42486fca99"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/e498b504f8c81b07efab9febf8503448de4dc9cf"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/5c6f402bdcf9e7239c6bc7087eda71ac99b31379"
|
|
}
|
|
],
|
|
"title": "video: fbdev: cirrusfb: check pixclock to avoid divide by zero",
|
|
"x_generator": {
|
|
"engine": "bippy-1.2.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"scope": "UNCHANGED",
|
|
"version": "3.1",
|
|
"baseScore": 5.5,
|
|
"attackVector": "LOCAL",
|
|
"baseSeverity": "MEDIUM",
|
|
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
|
|
"integrityImpact": "NONE",
|
|
"userInteraction": "NONE",
|
|
"attackComplexity": "LOW",
|
|
"availabilityImpact": "HIGH",
|
|
"privilegesRequired": "LOW",
|
|
"confidentialityImpact": "NONE"
|
|
}
|
|
},
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"id": "CVE-2021-47641",
|
|
"role": "CISA Coordinator",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"version": "2.0.3",
|
|
"timestamp": "2025-10-01T19:50:40.514584Z"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"cweId": "CWE-369",
|
|
"description": "CWE-369 Divide By Zero"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2025-10-01T19:57:08.118Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |