CVE-2023-5633 (GCVE-0-2023-5633)
Vulnerability from cvelistv5
Published
2023-10-23 21:58
Modified
2025-08-01 15:33
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.
References
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:0113 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:0134 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:0461 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:1404 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:4823 Third Party Advisory
secalert@redhat.com https://access.redhat.com/errata/RHSA-2024:4831 Third Party Advisory
secalert@redhat.com https://access.redhat.com/security/cve/CVE-2023-5633 Third Party Advisory
secalert@redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=2245663 Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:0113 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:0134 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:0461 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:1404 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:4823 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/errata/RHSA-2024:4831 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://access.redhat.com/security/cve/CVE-2023-5633 Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 https://bugzilla.redhat.com/show_bug.cgi?id=2245663 Issue Tracking, Patch
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-513.11.1.rt7.313.el8_9   < *
    cpe:/a:redhat:enterprise_linux:8::nfv
    cpe:/a:redhat:enterprise_linux:8::realtime
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:4.18.0-513.11.1.el8_9   < *
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:4.18.0-477.51.1.el8_8   < *
    cpe:/o:redhat:rhel_eus:8.8::baseos
    cpe:/a:redhat:rhel_eus:8.8::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-362.18.1.el9_3   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:5.14.0-362.18.1.el9_3   < *
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::realtime
    cpe:/a:redhat:enterprise_linux:9::appstream
    cpe:/a:redhat:enterprise_linux:9::nfv
    cpe:/a:redhat:enterprise_linux:9::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.75.1.el9_2   < *
    cpe:/o:redhat:rhel_eus:9.2::baseos
    cpe:/a:redhat:rhel_eus:9.2::crb
    cpe:/a:redhat:rhel_eus:9.2::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:5.14.0-284.75.1.rt14.360.el9_2   < *
    cpe:/a:redhat:rhel_eus:9.2::realtime
    cpe:/a:redhat:rhel_eus:9.2::nfv
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
 Create a notification for this product.
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\"cpe:/a:redhat:enterprise_linux:9::realtime\", \"cpe:/a:redhat:enterprise_linux:9::appstream\", \"cpe:/a:redhat:enterprise_linux:9::nfv\", \"cpe:/a:redhat:enterprise_linux:9::crb\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:5.14.0-362.18.1.el9_3\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"kernel\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:rhel_eus:9.2::baseos\", \"cpe:/a:redhat:rhel_eus:9.2::crb\", \"cpe:/a:redhat:rhel_eus:9.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.2 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:5.14.0-284.75.1.el9_2\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"kernel\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.2::realtime\", \"cpe:/a:redhat:rhel_eus:9.2::nfv\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.2 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:5.14.0-284.75.1.rt14.360.el9_2\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"kernel-rt\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 6\", \"packageName\": \"kernel\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7\", \"packageName\": \"kernel\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7\", \"packageName\": \"kernel-rt\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:9\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"packageName\": \"kernel-rt\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2023-10-23T00:00:00+00:00\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2023-09-28T00:00:00+00:00\", \"value\": \"Made public.\"}], \"datePublic\": \"2023-09-28T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2024:0113\", \"name\": \"RHSA-2024:0113\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:0134\", \"name\": \"RHSA-2024:0134\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:0461\", \"name\": \"RHSA-2024:0461\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:1404\", \"name\": \"RHSA-2024:1404\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:4823\", \"name\": \"RHSA-2024:4823\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2024:4831\", \"name\": \"RHSA-2024:4831\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2023-5633\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2245663\", \"name\": \"RHBZ#2245663\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"This flaw can be mitigated by turning off 3D acceleration in VMware (if possible) or preventing the affected `vmwgfx` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The reference count changes made as part of the CVE-2023-33951 and CVE-2023-33952 fixes exposed a use-after-free flaw in the way memory objects were handled when they were being used to store a surface. When running inside a VMware guest with 3D acceleration enabled, a local, unprivileged user could potentially use this flaw to escalate their privileges.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-08-01T15:33:25.793Z\"}, \"x_redhatCweChain\": \"CWE-911-\u003eCWE-416: Improper Update of Reference Count leads to Use After Free\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-5633\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-01T15:33:25.793Z\", \"dateReserved\": \"2023-10-18T08:39:18.720Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2023-10-23T21:58:59.776Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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