rhsa-2025:7165
Vulnerability from csaf_redhat
Published
2025-05-13 08:29
Modified
2025-09-25 17:41
Summary
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Notes
Topic
An update for xorg-x11-server-Xwayland is now available for Red Hat Enterprise Linux 9.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Xwayland is an X server for running X clients under Wayland.
Security Fix(es):
* xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability (CVE-2024-9632)
* X.Org: Xwayland: Use-after-free of the root cursor (CVE-2025-26594)
* xorg: xwayland: Use-after-free in SyncInitTrigger() (CVE-2025-26601)
* xorg: xwayland: Use-after-free in PlayReleasedEvents() (CVE-2025-26600)
* xorg: xwayland: Use of uninitialized pointer in compRedirectWindow() (CVE-2025-26599)
* xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient() (CVE-2025-26598)
* xorg: xwayland: Buffer overflow in XkbChangeTypesOfKey() (CVE-2025-26597)
* xorg: xwayland: Heap overflow in XkbWriteKeySyms() (CVE-2025-26596)
* Xorg: xwayland: Buffer overflow in XkbVModMaskText() (CVE-2025-26595)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "2317233"
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"category": "description",
"text": "A flaw was found in the X.org server. Due to improperly tracked allocation size in _XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org server is run with root privileges.",
"title": "Vulnerability description"
},
{
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"text": "xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability",
"title": "Vulnerability summary"
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{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a moderate severity.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2024-9632"
},
{
"category": "external",
"summary": "RHBZ#2317233",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2317233"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2024-9632",
"url": "https://www.cve.org/CVERecord?id=CVE-2024-9632"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-9632",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-9632"
}
],
"release_date": "2024-10-29T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability"
},
{
"cve": "CVE-2025-26594",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-02-12T14:14:54.698000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345248"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "X.Org: Xwayland: Use-after-free of the root cursor",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26594"
},
{
"category": "external",
"summary": "RHBZ#2345248",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345248"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26594",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26594"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26594",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26594"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "X.Org: Xwayland: Use-after-free of the root cursor"
},
{
"cve": "CVE-2025-26595",
"cwe": {
"id": "CWE-121",
"name": "Stack-based Buffer Overflow"
},
"discovery_date": "2025-02-12T14:15:00.929000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345257"
}
],
"notes": [
{
"category": "description",
"text": "A buffer overflow flaw was found in X.Org and Xwayland. The code in XkbVModMaskText() allocates a fixed-sized buffer on the stack and copies the names of the virtual modifiers to that buffer. The code fails to check the bounds of the buffer and would copy the data regardless of the size.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Xorg: xwayland: Buffer overflow in XkbVModMaskText()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26595"
},
{
"category": "external",
"summary": "RHBZ#2345257",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345257"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26595",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26595"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26595",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26595"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"title": "Xorg: xwayland: Buffer overflow in XkbVModMaskText()"
},
{
"cve": "CVE-2025-26596",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2025-02-12T14:15:01.367000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345256"
}
],
"notes": [
{
"category": "description",
"text": "A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Heap overflow in XkbWriteKeySyms()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26596"
},
{
"category": "external",
"summary": "RHBZ#2345256",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345256"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26596",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26596"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26596",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26596"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "xorg: xwayland: Heap overflow in XkbWriteKeySyms()"
},
{
"cve": "CVE-2025-26597",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2025-02-12T14:15:01.517000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345255"
}
],
"notes": [
{
"category": "description",
"text": "A buffer overflow flaw was found in X.Org and Xwayland. If XkbChangeTypesOfKey() is called with a 0 group, it will resize the key symbols table to 0 but leave the key actions unchanged. If the same function is later called with a non-zero value of groups, this will cause a buffer overflow because the key actions are of the wrong size.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Buffer overflow in XkbChangeTypesOfKey()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26597"
},
{
"category": "external",
"summary": "RHBZ#2345255",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345255"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26597",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26597"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26597",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26597"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"title": "xorg: xwayland: Buffer overflow in XkbChangeTypesOfKey()"
},
{
"cve": "CVE-2025-26598",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2025-02-12T14:15:01.664000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345254"
}
],
"notes": [
{
"category": "description",
"text": "An out-of-bounds write flaw was found in X.Org and Xwayland. The function GetBarrierDevice() searches for the pointer device based on its device ID and returns the matching value, or supposedly NULL, if no match was found. However, the code will return the last element of the list if no matching device ID is found, which can lead to out-of-bounds memory access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26598"
},
{
"category": "external",
"summary": "RHBZ#2345254",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345254"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26598",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26598"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26598",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26598"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"url": "https://access.redhat.com/errata/RHSA-2025:7165"
},
{
"category": "workaround",
"details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"details": "Moderate"
}
],
"title": "xorg: xwayland: Out-of-bounds write in CreatePointerBarrierClient()"
},
{
"cve": "CVE-2025-26599",
"cwe": {
"id": "CWE-824",
"name": "Access of Uninitialized Pointer"
},
"discovery_date": "2025-02-12T14:15:01.808000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345253"
}
],
"notes": [
{
"category": "description",
"text": "An access to an uninitialized pointer flaw was found in X.Org and Xwayland. The function compCheckRedirect() may fail if it cannot allocate the backing pixmap. In that case, compRedirectWindow() will return a BadAlloc error without validating the window tree marked just before, which leaves the validated data partly initialized and the use of an uninitialized pointer later.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Use of uninitialized pointer in compRedirectWindow()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26599"
},
{
"category": "external",
"summary": "RHBZ#2345253",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345253"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26599",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26599"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26599",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26599"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"details": "Moderate"
}
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"title": "xorg: xwayland: Use of uninitialized pointer in compRedirectWindow()"
},
{
"cve": "CVE-2025-26600",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-02-12T14:15:01.957000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345252"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in X.Org and Xwayland. When a device is removed while still frozen, the events queued for that device remain while the device is freed. Replaying the events will cause a use-after-free.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Use-after-free in PlayReleasedEvents()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26600"
},
{
"category": "external",
"summary": "RHBZ#2345252",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345252"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26600",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26600"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26600",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26600"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"category": "workaround",
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{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "xorg: xwayland: Use-after-free in PlayReleasedEvents()"
},
{
"cve": "CVE-2025-26601",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2025-02-12T14:18:30.820000+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "2345251"
}
],
"notes": [
{
"category": "description",
"text": "A use-after-free flaw was found in X.Org and Xwayland. When changing an alarm, the values of the change mask are evaluated one after the other, changing the trigger values as requested, and eventually, SyncInitTrigger() is called. If one of the changes triggers an error, the function will return early, not adding the new sync object, possibly causing a use-after-free when the alarm eventually triggers.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "xorg: xwayland: Use-after-free in SyncInitTrigger()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore, Red Hat Enterprise Linux 8 and 9 have been rated with a Moderate severity and are not affected by this bug.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2025-26601"
},
{
"category": "external",
"summary": "RHBZ#2345251",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345251"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2025-26601",
"url": "https://www.cve.org/CVERecord?id=CVE-2025-26601"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-26601",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26601"
}
],
"release_date": "2025-02-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2025-05-13T08:29:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
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"category": "workaround",
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"scores": [
{
"cvss_v3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "xorg: xwayland: Use-after-free in SyncInitTrigger()"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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