mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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119 lines
3.4 KiB
JSON
119 lines
3.4 KiB
JSON
{
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"id": "CVE-2023-4921",
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"sourceIdentifier": "cve-coordination@google.com",
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"published": "2023-09-12T20:15:10.573",
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"lastModified": "2023-09-14T19:38:11.107",
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"vulnStatus": "Analyzed",
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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 net/sched: sch_qfq component can be exploited to achieve local privilege escalation.\n\nWhen the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().\n\nWe recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.\n\n"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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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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"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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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
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},
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{
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"source": "cve-coordination@google.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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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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"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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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-416"
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}
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]
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},
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{
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"source": "cve-coordination@google.com",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-416"
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}
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]
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}
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],
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"configurations": [
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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": "3.8",
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"versionEndExcluding": "6.6",
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"matchCriteriaId": "A57D55A0-B42D-4988-8670-07F41BB0CE3E"
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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/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=8fc134fee27f2263988ae38920bc03da416b03d8",
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"source": "cve-coordination@google.com",
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"tags": [
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"Exploit",
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"Mailing List",
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"Patch",
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"Vendor Advisory"
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]
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},
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{
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"url": "https://kernel.dance/8fc134fee27f2263988ae38920bc03da416b03d8",
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"source": "cve-coordination@google.com",
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"tags": [
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"Exploit",
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"Patch",
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"Vendor Advisory"
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]
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}
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]
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} |