{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50099", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.412Z", "datePublished": "2025-06-18T11:02:36.018Z", "dateUpdated": "2025-06-18T11:02:36.018Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:02:36.018Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: arkfb: Check the size of screen before memset_io()\n\nIn the function arkfb_set_par(), the value of 'screen_size' is\ncalculated by the user input. If the user provides the improper value,\nthe value of 'screen_size' may larger than 'info->screen_size', which\nmay cause the following bug:\n\n[ 659.399066] BUG: unable to handle page fault for address: ffffc90003000000\n[ 659.399077] #PF: supervisor write access in kernel mode\n[ 659.399079] #PF: error_code(0x0002) - not-present page\n[ 659.399094] RIP: 0010:memset_orig+0x33/0xb0\n[ 659.399116] Call Trace:\n[ 659.399122] arkfb_set_par+0x143f/0x24c0\n[ 659.399130] fb_set_var+0x604/0xeb0\n[ 659.399161] do_fb_ioctl+0x234/0x670\n[ 659.399189] fb_ioctl+0xdd/0x130\n\nFix the this by checking the value of 'screen_size' before memset_io()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/arkfb.c"], "versions": [{"version": "681e14730c73cc2c71af282c001de6bc71c22f00", "lessThan": "4a20c5510aa2c031a096a58deb356e91609781c9", "status": 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"https://git.kernel.org/stable/c/0701df594bc1d7ae55fed407fb65dd90a93f8a9c"}, {"url": "https://git.kernel.org/stable/c/8bcb1a06e3091716b7cbebe0e91d1de9895068cd"}, {"url": "https://git.kernel.org/stable/c/2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75"}, {"url": "https://git.kernel.org/stable/c/96b550971c65d54d64728d8ba973487878a06454"}], "title": "video: fbdev: arkfb: Check the size of screen before memset_io()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "703C025E-1B12-422F-B8ED-365DC83EFAF3", "versionEndExcluding": "4.14.291", "versionStartIncluding": "2.6.22", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6C47CDE3-B039-4AE5-B8E4-1DC820E473FF", "versionEndExcluding": "4.19.256", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B1C63D19-C08C-4308-A848-B2523C9275BD", "versionEndExcluding": "5.4.211", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C2BF720F-C5EE-4DE2-9BDF-CE4CFBC767F4", "versionEndExcluding": "5.10.137", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: arkfb: Check the size of screen before memset_io()\n\nIn the function arkfb_set_par(), the value of 'screen_size' is\ncalculated by the user input. If the user provides the improper value,\nthe value of 'screen_size' may larger than 'info->screen_size', which\nmay cause the following bug:\n\n[ 659.399066] BUG: unable to handle page fault for address: ffffc90003000000\n[ 659.399077] #PF: supervisor write access in kernel mode\n[ 659.399079] #PF: error_code(0x0002) - not-present page\n[ 659.399094] RIP: 0010:memset_orig+0x33/0xb0\n[ 659.399116] Call Trace:\n[ 659.399122] arkfb_set_par+0x143f/0x24c0\n[ 659.399130] fb_set_var+0x604/0xeb0\n[ 659.399161] do_fb_ioctl+0x234/0x670\n[ 659.399189] fb_ioctl+0xdd/0x130\n\nFix the this by checking the value of 'screen_size' before memset_io()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: video: fbdev: arkfb: Verifique el tama\u00f1o de la pantalla antes de memset_io() En la funci\u00f3n arkfb_set_par(), el valor de 'screen_size' se calcula mediante la entrada del usuario. Si el usuario proporciona un valor incorrecto, el valor de 'screen_size' puede ser mayor que 'info->screen_size', lo que puede causar el siguiente error: [ 659.399066] ERROR: no se puede manejar el error de p\u00e1gina para la direcci\u00f3n: ffffc90003000000 [ 659.399077] #PF: acceso de escritura del supervisor en modo kernel [ 659.399079] #PF: error_code(0x0002) - p\u00e1gina no presente [ 659.399094] RIP: 0010:memset_orig+0x33/0xb0 [ 659.399116] Rastreo de llamadas: [ 659.399122] arkfb_set_par+0x143f/0x24c0 [ 659.399130] fb_set_var+0x604/0xeb0 [ 659.399161] do_fb_ioctl+0x234/0x670 [ 659.399189] fb_ioctl+0xdd/0x130 Solucione este problema comprobando el valor de 'screen_size' antes de memset_io()."}], "id": "CVE-2022-50099", "lastModified": "2025-11-19T14:07:47.630", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-06-18T11:15:39.200", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0701df594bc1d7ae55fed407fb65dd90a93f8a9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/09e733d6ac948e6fda4b16252e44ea46f98fc8b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2ce61c39c2a0b8ec82f48e0f7136f0dac105ae75"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/352305ea50d682b8e081d826da53caf9e744d7d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a20c5510aa2c031a096a58deb356e91609781c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/53198b81930e567ad6b879812d88052a1e8ac79e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8bcb1a06e3091716b7cbebe0e91d1de9895068cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/96b550971c65d54d64728d8ba973487878a06454"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: video: fbdev: arkfb: Check the size of screen before memset_io()", "id": "2373542", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373542"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nvideo: fbdev: arkfb: Check the size of screen before memset_io()\nIn the function arkfb_set_par(), the value of 'screen_size' is\ncalculated by the user input. If the user provides the improper value,\nthe value of 'screen_size' may larger than 'info->screen_size', which\nmay cause the following bug:\n[ 659.399066] BUG: unable to handle page fault for address: ffffc90003000000\n[ 659.399077] #PF: supervisor write access in kernel mode\n[ 659.399079] #PF: error_code(0x0002) - not-present page\n[ 659.399094] RIP: 0010:memset_orig+0x33/0xb0\n[ 659.399116] Call Trace:\n[ 659.399122] arkfb_set_par+0x143f/0x24c0\n[ 659.399130] fb_set_var+0x604/0xeb0\n[ 659.399161] do_fb_ioctl+0x234/0x670\n[ 659.399189] fb_ioctl+0xdd/0x130\nFix the this by checking the value of 'screen_size' before memset_io()."], "name": "CVE-2022-50099", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50099\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50099\nhttps://lore.kernel.org/linux-cve-announce/2025061803-CVE-2022-50099-29c6@gregkh/T"], "threat_severity": "Moderate"}