{"id":"CVE-2026-6424","state":"PUBLISHED","title":"Use-after-free vulnerability in ESET security products for Linux","description":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system","publishedAt":"2026-07-16T08:28:43.649Z","updatedAt":"2026-07-16T12:17:48.734Z","severity":{"score":6.7,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"ESET"},"assigner":"ESET","products":["ESET, spol. s.r.o. ESET Endpoint Antivirus for Linux","ESET, spol. s.r.o. ESET Server Security for Linux"],"affected":[{"vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThanOrEqual":"13.1.3.0","changes":[{"at":"13.1.5.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.0","status":"affected","lessThanOrEqual":"13.0.3.0","changes":[{"at":"13.0.5.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.2","status":"affected","lessThanOrEqual":"12.2.8.0","changes":[{"at":"12.2.9.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.1","status":"affected","lessThanOrEqual":"12.1.1.0","changes":[{"at":"12.1.2.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.0","status":"affected","lessThanOrEqual":"12.0.13.0","changes":[{"at":"12.0.14.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.2.3.0","status":"unaffected"}],"platforms":["Linux"]},{"vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThanOrEqual":"13.1.116.0","changes":[{"at":"13.1.118.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.0","status":"affected","lessThanOrEqual":"13.0.34.0","changes":[{"at":"13.0.36.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.2","status":"affected","lessThanOrEqual":"12.2.72.0","changes":[{"at":"12.2.73.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.1","status":"affected","lessThanOrEqual":"12.1.406.0","changes":[{"at":"12.1.407.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.0","status":"affected","lessThanOrEqual":"12.0.287.0","changes":[{"at":"12.0.292.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.2.53.0","status":"unaffected"}],"platforms":["Linux"]}],"references":["https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6424.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6424","state":"PUBLISHED","datePublished":"2026-07-16T08:28:43.649Z","dateUpdated":"2026-07-16T12:17:48.734Z","assignerShortName":"ESET","assignerOrgId":"4a9b9929-2450-4021-b7b9-469a0255b215","dateReserved":"2026-04-16T08:13:25.859Z"},"containers":{"cna":{"title":"Use-after-free vulnerability in ESET security products for Linux","descriptions":[{"lang":"en","value":"Use-after-free vulnerability in ESET Linux products potentially allowed an attacker to trigger kernel panic on the system"}],"affected":[{"vendor":"ESET, spol. s.r.o.","product":"ESET Endpoint Antivirus for Linux","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThanOrEqual":"13.1.3.0","changes":[{"at":"13.1.5.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.0","status":"affected","lessThanOrEqual":"13.0.3.0","changes":[{"at":"13.0.5.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.2","status":"affected","lessThanOrEqual":"12.2.8.0","changes":[{"at":"12.2.9.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.1","status":"affected","lessThanOrEqual":"12.1.1.0","changes":[{"at":"12.1.2.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.0","status":"affected","lessThanOrEqual":"12.0.13.0","changes":[{"at":"12.0.14.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.2.3.0","status":"unaffected"}],"platforms":["Linux"]},{"vendor":"ESET, spol. s.r.o.","product":"ESET Server Security for Linux","defaultStatus":"unaffected","versions":[{"version":"13.1","status":"affected","lessThanOrEqual":"13.1.116.0","changes":[{"at":"13.1.118.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.0","status":"affected","lessThanOrEqual":"13.0.34.0","changes":[{"at":"13.0.36.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.2","status":"affected","lessThanOrEqual":"12.2.72.0","changes":[{"at":"12.2.73.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.1","status":"affected","lessThanOrEqual":"12.1.406.0","changes":[{"at":"12.1.407.0","status":"unaffected"}],"versionType":"custom"},{"version":"12.0","status":"affected","lessThanOrEqual":"12.0.287.0","changes":[{"at":"12.0.292.0","status":"unaffected"}],"versionType":"custom"},{"version":"13.2.53.0","status":"unaffected"}],"platforms":["Linux"]}],"references":[{"url":"https://support.eset.com/en/ca8972-eset-customer-advisory-use-after-free-vulnerability-in-eset-security-products-for-linux-fixed"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"MEDIUM","baseScore":6.7,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","lang":"en","description":"CWE-416 Use after free","type":"CWE"}]}],"providerMetadata":{"shortName":"ESET","orgId":"4a9b9929-2450-4021-b7b9-469a0255b215","dateUpdated":"2026-07-16T08:28:43.649Z"},"datePublic":"2026-07-16T08:00:00.000Z","impacts":[{"capecId":"CAPEC-129","descriptions":[{"lang":"en","value":"CAPEC-129 Pointer Manipulation"}]}],"source":{"advisory":"CA8972","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.2"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-16T12:17:24.495540Z","id":"CVE-2026-6424","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-16T12:17:48.734Z"}}]}}}