248 lines
12 KiB
JSON
248 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2022-50102",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-06-18T10:57:27.412Z",
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"datePublished": "2025-06-18T11:02:38.099Z",
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"dateUpdated": "2026-05-11T19:12:52.428Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T19:12:52.428Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvideo: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()\n\nSince the user can control the arguments of the ioctl() from the user\nspace, under special arguments that may result in a divide-by-zero bug\nin:\n drivers/video/fbdev/arkfb.c:784: ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul);\nwith hdiv=1, pixclock=1 and hmul=2 you end up with (1*1)/2 = (int) 0.\nand then in:\n drivers/video/fbdev/arkfb.c:504: rv = dac_set_freq(par->dac, 0, 1000000000 / pixclock);\nwe'll get a division-by-zero.\n\nThe following log can reveal it:\n\ndivide error: 0000 [#1] PREEMPT SMP KASAN PTI\nRIP: 0010:ark_set_pixclock drivers/video/fbdev/arkfb.c:504 [inline]\nRIP: 0010:arkfb_set_par+0x10fc/0x24c0 drivers/video/fbdev/arkfb.c:784\nCall Trace:\n fb_set_var+0x604/0xeb0 drivers/video/fbdev/core/fbmem.c:1034\n do_fb_ioctl+0x234/0x670 drivers/video/fbdev/core/fbmem.c:1110\n fb_ioctl+0xdd/0x130 drivers/video/fbdev/core/fbmem.c:1189\n\nFix this by checking the argument of ark_set_pixclock() first."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/video/fbdev/arkfb.c"
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],
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"versions": [
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "76b3f0a0b56e53a960a14624a0f48b3d94b5e7e7",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "b9a66f23612b84617e04412169e155a4b92f632d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "a249e1b89ca25e1c34bdf96154e3f6224a91a9af",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "0288fa799e273b08839037499d704dc7bdc13e9a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "236c1502520b7b08955467ec2e50b3232e34f1f9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "9ebc5031958c1f3a2795e4533b4091d77c738d14",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "15661642511b2b192077684a89f42a8d95d54286",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "681e14730c73cc2c71af282c001de6bc71c22f00",
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"lessThan": "2f1c4523f7a3aaabe7e53d3ebd378292947e95c8",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/video/fbdev/arkfb.c"
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],
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"versions": [
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{
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"version": "2.6.22",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "2.6.22",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.14.291",
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"lessThanOrEqual": "4.14.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "4.19.256",
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"lessThanOrEqual": "4.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.211",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.137",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.61",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.18",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19.2",
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"lessThanOrEqual": "5.19.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.0",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "4.14.291"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "4.19.256"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "5.4.211"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "5.10.137"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "5.15.61"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "5.18.18"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "5.19.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.22",
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"versionEndExcluding": "6.0"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/76b3f0a0b56e53a960a14624a0f48b3d94b5e7e7"
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},
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{
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"url": "https://git.kernel.org/stable/c/b9a66f23612b84617e04412169e155a4b92f632d"
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},
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{
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"url": "https://git.kernel.org/stable/c/a249e1b89ca25e1c34bdf96154e3f6224a91a9af"
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},
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{
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"url": "https://git.kernel.org/stable/c/0288fa799e273b08839037499d704dc7bdc13e9a"
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},
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{
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"url": "https://git.kernel.org/stable/c/236c1502520b7b08955467ec2e50b3232e34f1f9"
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},
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{
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"url": "https://git.kernel.org/stable/c/9ebc5031958c1f3a2795e4533b4091d77c738d14"
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},
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{
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"url": "https://git.kernel.org/stable/c/15661642511b2b192077684a89f42a8d95d54286"
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},
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{
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"url": "https://git.kernel.org/stable/c/2f1c4523f7a3aaabe7e53d3ebd378292947e95c8"
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}
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],
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"title": "video: fbdev: arkfb: Fix a divide-by-zero bug in ark_set_pixclock()",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |