331 lines
15 KiB
JSON
331 lines
15 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-2022-49307",
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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": "2025-02-26T02:08:31.535Z",
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"datePublished": "2025-02-26T02:10:39.151Z",
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"dateUpdated": "2026-05-11T18:57:09.382Z"
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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": "2026-05-11T18:57:09.382Z"
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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\ntty: synclink_gt: Fix null-pointer-dereference in slgt_clean()\n\nWhen the driver fails at alloc_hdlcdev(), and then we remove the driver\nmodule, we will get the following splat:\n\n[ 25.065966] general protection fault, probably for non-canonical address 0xdffffc0000000182: 0000 [#1] PREEMPT SMP KASAN PTI\n[ 25.066914] KASAN: null-ptr-deref in range [0x0000000000000c10-0x0000000000000c17]\n[ 25.069262] RIP: 0010:detach_hdlc_protocol+0x2a/0x3e0\n[ 25.077709] Call Trace:\n[ 25.077924] <TASK>\n[ 25.078108] unregister_hdlc_device+0x16/0x30\n[ 25.078481] slgt_cleanup+0x157/0x9f0 [synclink_gt]\n\nFix this by checking whether the 'info->netdev' is a null pointer 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/tty/synclink_gt.c"
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],
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"versions": [
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{
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"version": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "078212ad15dbd88840c82c97f12c93d83703c8fd",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "ba08cbc5b53e151d0acf1930fb526fc65b7f3e65",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "f6e07eb7ebec53ffe81fc2489589320fbe4a6b75",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "d68d5e68b7f64de7170f8e04dd9b995c36b2c71c",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "8a95696bdc0e13f8980f05b54a3b9081963d1256",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "ddd67751ab86c6a65f95c35293c42f85a42ac05d",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "1ceb4ca9543a8a788febf6bc8dad2e605e172d5e",
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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": "705b6c7b34f2621f95f606d0e683daa10cdb8eb9",
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"lessThan": "689ca31c542687709ba21ec2195c1fbce34fd029",
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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/tty/synclink_gt.c"
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],
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"versions": [
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{
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"version": "2.6.16",
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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": "2.6.16",
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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": "4.9.318",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.283",
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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": "4.19.247",
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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": "5.4.198",
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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": "5.10.122",
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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": "5.15.47",
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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": "5.17.15",
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"lessThanOrEqual": "5.17.*",
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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": "5.18.4",
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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",
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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": "2.6.16",
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"versionEndExcluding": "4.9.318"
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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": "2.6.16",
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"versionEndExcluding": "4.14.283"
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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": "2.6.16",
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"versionEndExcluding": "4.19.247"
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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": "2.6.16",
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"versionEndExcluding": "5.4.198"
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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": "2.6.16",
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"versionEndExcluding": "5.10.122"
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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": "2.6.16",
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"versionEndExcluding": "5.15.47"
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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": "2.6.16",
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"versionEndExcluding": "5.17.15"
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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": "2.6.16",
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"versionEndExcluding": "5.18.4"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.16",
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"versionEndExcluding": "5.19"
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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/50c341f9a2adc4c32a8ad5a39eb99d9c4a419e0d"
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},
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{
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"url": "https://git.kernel.org/stable/c/078212ad15dbd88840c82c97f12c93d83703c8fd"
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},
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{
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"url": "https://git.kernel.org/stable/c/ba08cbc5b53e151d0acf1930fb526fc65b7f3e65"
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},
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{
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"url": "https://git.kernel.org/stable/c/f6e07eb7ebec53ffe81fc2489589320fbe4a6b75"
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},
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{
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"url": "https://git.kernel.org/stable/c/d68d5e68b7f64de7170f8e04dd9b995c36b2c71c"
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},
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{
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"url": "https://git.kernel.org/stable/c/8a95696bdc0e13f8980f05b54a3b9081963d1256"
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},
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{
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"url": "https://git.kernel.org/stable/c/ddd67751ab86c6a65f95c35293c42f85a42ac05d"
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},
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{
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"url": "https://git.kernel.org/stable/c/1ceb4ca9543a8a788febf6bc8dad2e605e172d5e"
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},
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{
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"url": "https://git.kernel.org/stable/c/689ca31c542687709ba21ec2195c1fbce34fd029"
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}
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],
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"title": "tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()",
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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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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2022-49307",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-10-01T19:44:25.712102Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-476",
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"description": "CWE-476 NULL Pointer Dereference"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-01T19:46:58.412Z"
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}
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}
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]
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}
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} |