CVE-2025-62229

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-62229", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2025-10-09T04:46:44.074Z", "datePublished": "2025-10-30T05:28:48.131Z", "dateUpdated": "2026-11-05T16:35:40.565Z"}, "containers": {"cna": {"title": "Xorg: xmayland: use-after-free in xpresentnotify structure creation", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service."}], "affected": [{"vendor": "X.Org", "product": "Xwayland", "versions": [{"status": "affected", "version": "1.15.0", "lessThan": "24.1.9", "versionType": "semver"}], "packageName": "xwayland", "collectionURL": "https://gitlab.freedesktop.org/xorg/xserver", "defaultStatus": "unaffected"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "xorg-x11-server-Xwayland", "defaultStatus": "affected", "versions": [{"version": "0:24.1.5-5.el10_0", "lessThan": "*", "versionType": "rpm", "status": "unaffected"}], "cpes": ["cpe:/o:redhat:enterprise_linux:10.0"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "xorg-x11-server-Xwayland", 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Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service."}], "id": "CVE-2025-62229", "lastModified": "2026-11-05T17:17:17.680", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.5, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-62229", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-31T03:55:33.342598Z", "version": "2.0.3"}}]}, "published": "2025-10-30T06:15:45.300", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19432"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19433"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19434"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19435"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19489"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19623"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:19909"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:20958"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:20960"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:20961"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:21035"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22040"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22041"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22051"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22055"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22056"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22077"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22096"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22164"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22167"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22364"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22365"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22426"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22427"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22667"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22729"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22742"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2025:22753"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0031"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0033"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0034"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0035"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:0036"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2025-62229"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402649"}, {"source": "secalert@redhat.com", "url": "https://lists.x.org/archives/xorg-announce/2025-October/003635.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/10/28/7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00033.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "Red Hat would like to thank Jan-Niklas Sohn (Trend Micro Zero Day Initiative) for reporting this issue.", "bugzilla": {"description": "xorg: xmayland: Use-after-free in XPresentNotify structure creation", "id": "2402649", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2402649"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-62229", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "impact": "important", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "impact": "important", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "impact": "important", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "impact": "important", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "impact": "important", "package_name": "tigervnc", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "xorg-x11-server", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "xorg-x11-server-Xwayland", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-29T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-62229\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-62229"], "statement": "The Red Hat Product Security team has rated this vulnerability as Moderate. The flaw is a use-after-free in X11 Present notification handling that could lead to integrity and availability impacts if exploited. Moreover, the X.Org server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, limiting the potential impact and preventing system-wide compromise.", "threat_severity": "Moderate"}

{"analysis": {"en": {"generated_at": "2026-04-20T16:17:43.297755+00:00", "value": {"mitigation_remediation": ["Apply the Red\u00a0Hat Security Update packages listed in errata RHSA-2025:19432, RHSA-2025:19433, RHSA-2025:19434, RHSA-2025:19435, RHSA-2025:19489, RHSA-2025:19623, and all subsequent updates through RHSA-2025:22667 that contain the patch for the X server.", "Restart any running X server sessions or the entire system to ensure that the updated binaries take effect and the use\u2011after\u2011free condition is removed.", "After patching, confirm that the X server does not crash or process unexpected Present notifications by monitoring logs for \u201cX server crash\u201d or \u201cX server bug\u201d entries; remediation of any residual memory usage would involve reviewing custom extensions or third\u2011party X server modules."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "All editions of Red\u00a0Hat Enterprise Linux 6, 7, 8 and 9, including their various extended support and specialized update streams (EUS, AUS, E4S, TUS, etc.) are affected, as is the X.org Xwayland package. The vulnerability stems from the core X server and does not target a specific sub\u2011component version, so any installation of X.Org X server that is not patched is potentially vulnerable. Users should verify that their systems run the updated X server released by Red\u00a0Hat in the associated errata (RHSA\u20112025:19432 and subsequent pages).", "description_and_impact": "A flaw was identified in the X.Org X server and Xwayland components where processing X11 Present extension notifications. During notification creation the server mishandles errors, leaving dangling pointers that trigger a use\u2011after\u2011free. This memory corruption can crash the server or, in the worst case, allow an attacker to execute arbitrary code. The weakness is classified as CWE\u2011416.", "risk_and_exploitability": "The CVSS score of 7.3 reflects a high impact and moderate complexity, while the EPSS score of less than 1% indicates a very low probability of exploitation at this moment. The vulnerability is not listed in the CISA KEV catalog. The attack vector is likely local, requiring the attacker to be able to send X11 Present notifications to the server, which is typical for a compromised user or for a remote application that can communicate over the X display protocol. Patching remains the primary defense."}}}}, "created": "2026-04-20T16:30:06.281100+00:00", "updated": "2026-04-20T16:30:06.281119+00:00", "vendors": []}