235 lines
9.8 KiB
JSON
235 lines
9.8 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-2023-4622",
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"assignerOrgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"state": "PUBLISHED",
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"assignerShortName": "Google",
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"dateReserved": "2023-08-30T11:57:48.389Z",
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"datePublished": "2023-09-06T13:56:56.355Z",
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"dateUpdated": "2026-09-17T19:26:48.877Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "14ed7db2-1595-443d-9d34-6215bf890778",
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"shortName": "Google",
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"dateUpdated": "2026-09-17T19:26:48.877Z"
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},
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"title": "Use-after-free in Linux kernel's af_unix component",
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"datePublic": "2023-08-23T15:52:00.000Z",
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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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"cweId": "CWE-416",
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"description": "CWE-416 Use After Free",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Linux",
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"product": "Kernel",
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"packageName": "kernel",
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"repo": "https://git.kernel.org",
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"versions": [
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{
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"status": "affected",
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"version": "4.2",
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"lessThan": "4.14.324",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.15",
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"lessThan": "4.19.293",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "4.20",
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"lessThan": "5.4.255",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "5.5",
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"lessThan": "5.10.192",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "5.11",
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"lessThan": "5.15.128",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "5.16",
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"lessThan": "6.1.47",
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"versionType": "custom"
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},
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{
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"status": "affected",
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"version": "6.2",
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"lessThan": "6.4.12",
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"versionType": "custom"
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},
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{
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"status": "unaffected",
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"version": "6.5",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.\n\n\n\nThe unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.\n\n\n\nWe recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c (or backported equivalents).",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.</p><p>The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.</p><p>We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c (or backported equivalents).</p>"
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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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4821df2ffe38d629170edc266e65fa05970e0745",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y&id=790c2f9d15b594350ae9bca7b236f2b1859de02c",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c"
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},
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{
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"url": "https://www.debian.org/security/2023/dsa-5492"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html"
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},
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{
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"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 7.8,
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Billy Jheng Bing-Jhong",
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"user": "00000000-0000-4000-9000-000000000000",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 0.1.0-dev"
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}
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-02T07:31:06.586Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-6.1.y&id=790c2f9d15b594350ae9bca7b236f2b1859de02c",
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"tags": [
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"patch",
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]
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},
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{
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"url": "https://kernel.dance/790c2f9d15b594350ae9bca7b236f2b1859de02c",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.debian.org/security/2023/dsa-5492",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
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"tags": [
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}
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} |