{"id":"CVE-2025-6019","state":"PUBLISHED","title":"Libblockdev: lpe from allow_active to root in libblockdev via udisks","description":"A Local Privilege Escalation (LPE) vulnerability was found in libblockdev. Generally, the \"allow_active\" setting in Polkit permits a physically present user to take certain actions based on the session type. Due to the way libblockdev interacts with the udisks daemon, an \"allow_active\" user on a system may be able escalate to full root privileges on the target host. Normally, udisks mounts user-provided filesystem images with security flags like nosuid and nodev to prevent privilege escalation.  However, a local attacker can create a specially crafted XFS image containing a SUID-root shell, then trick udisks into resizing it. This mounts their malicious filesystem with root privileges, allowing them to execute their SUID-root shell and gain complete control of the system.","publishedAt":"2025-06-19T11:55:57.380Z","updatedAt":"2026-06-30T11:10:04.975Z","severity":{"score":7,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"redhat"},"assigner":"redhat","products":["libblockdev","Red Hat Red Hat Enterprise Linux 10","Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support","Red Hat Red Hat Enterprise Linux 8","Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support","Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service","Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9","Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support"],"affected":[{"packageName":"libblockdev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.3.1","versionType":"semver"}],"collectionURL":"https://github.com/storaged-project/libblockdev/"},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:3.2.0-4.el10_0","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7 Extended Lifecycle Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.18-5.el7_9.1","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-7.el8_10","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.2 Advanced Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.19-13.el8_2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-6.el8_4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Telecommunications Update Service","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-3.el8_8","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-14.el9_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.25-12.el9_0","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.0::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-5.el9_2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.4 Extended Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-11.el9_4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_eus:9.4::appstream"]}],"references":["https://access.redhat.com/errata/RHSA-2025:10796","https://access.redhat.com/errata/RHSA-2025:9320","https://access.redhat.com/errata/RHSA-2025:9321","https://access.redhat.com/errata/RHSA-2025:9322","https://access.redhat.com/errata/RHSA-2025:9323","https://access.redhat.com/errata/RHSA-2025:9324","https://access.redhat.com/errata/RHSA-2025:9325","https://access.redhat.com/errata/RHSA-2025:9326","https://access.redhat.com/errata/RHSA-2025:9327","https://access.redhat.com/errata/RHSA-2025:9328","https://access.redhat.com/errata/RHSA-2025:9878","https://access.redhat.com/security/cve/CVE-2025-6019","https://bugzilla.redhat.com/show_bug.cgi?id=2370051","https://cdn2.qualys.com/2025/06/17/suse15-pam-udisks-lpe.txt","http://www.openwall.com/lists/oss-security/2025/06/17/5","http://www.openwall.com/lists/oss-security/2025/06/17/6","https://lists.debian.org/debian-lts-announce/2025/06/msg00018.html","http://www.openwall.com/lists/oss-security/2025/06/18/1","https://www.bleepingcomputer.com/news/linux/new-linux-udisks-flaw-lets-attackers-get-root-on-major-linux-distros/","https://news.ycombinator.com/item?id=44325861"],"weaknesses":["CWE-250"],"ingestedAt":"2026-10-29T20:10:04.440Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/6xxx/CVE-2025-6019.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-6019","state":"PUBLISHED","datePublished":"2025-06-19T11:55:57.380Z","dateUpdated":"2026-06-30T11:10:04.975Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2025-06-11T22:14:52.625Z"},"containers":{"cna":{"title":"Libblockdev: lpe from allow_active to root in libblockdev via udisks","descriptions":[{"lang":"en","value":"A Local Privilege Escalation (LPE) vulnerability was found in libblockdev. Generally, the \"allow_active\" setting in Polkit permits a physically present user to take certain actions based on the session type. Due to the way libblockdev interacts with the udisks daemon, an \"allow_active\" user on a system may be able escalate to full root privileges on the target host. Normally, udisks mounts user-provided filesystem images with security flags like nosuid and nodev to prevent privilege escalation.  However, a local attacker can create a specially crafted XFS image containing a SUID-root shell, then trick udisks into resizing it. This mounts their malicious filesystem with root privileges, allowing them to execute their SUID-root shell and gain complete control of the system."}],"affected":[{"packageName":"libblockdev","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.3.1","versionType":"semver"}],"collectionURL":"https://github.com/storaged-project/libblockdev/"},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 10","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:3.2.0-4.el10_0","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.0"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 7 Extended Lifecycle Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.18-5.el7_9.1","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:rhel_els:7"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-7.el8_10","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8::appstream","cpe:/a:redhat:enterprise_linux:8::crb"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.2 Advanced Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.19-13.el8_2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-6.el8_4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.4::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Telecommunications Update Service","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.24-9.el8_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_aus:8.6::appstream","cpe:/a:redhat:rhel_e4s:8.6::appstream","cpe:/a:redhat:rhel_tus:8.6::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-3.el8_8","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:8.8::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-14.el9_6","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.25-12.el9_0","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.0::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-5.el9_2","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_e4s:9.2::appstream"]},{"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9.4 Extended Update Support","packageName":"libblockdev","defaultStatus":"affected","versions":[{"version":"0:2.28-11.el9_4","status":"unaffected","lessThan":"*","versionType":"rpm"}],"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:rhel_eus:9.4::appstream"]}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2025:10796","name":"RHSA-2025:10796","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9320","name":"RHSA-2025:9320","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9321","name":"RHSA-2025:9321","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9322","name":"RHSA-2025:9322","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9323","name":"RHSA-2025:9323","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9324","name":"RHSA-2025:9324","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9325","name":"RHSA-2025:9325","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9326","name":"RHSA-2025:9326","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9327","name":"RHSA-2025:9327","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9328","name":"RHSA-2025:9328","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2025:9878","name":"RHSA-2025:9878","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2025-6019","tags":["vdb-entry","x_refsource_REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2370051","name":"RHBZ#2370051","tags":["issue-tracking","x_refsource_REDHAT"]},{"url":"https://cdn2.qualys.com/2025/06/17/suse15-pam-udisks-lpe.txt"}],"metrics":[{"other":{"content":{"value":"Important","namespace":"https://access.redhat.com/security/updates/classification/"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-250","description":"Execution with Unnecessary Privileges","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateUpdated":"2026-06-30T11:10:04.975Z"},"datePublic":"2025-06-17T00:00:00.000Z","x_redhatCweChain":"CWE-250: Execution with Unnecessary Privileges","workarounds":[{"lang":"en","value":"Currently, no mitigation is available for this vulnerability."}],"timeline":[{"lang":"en","time":"2025-06-03T15:58:30.591Z","value":"Reported to Red Hat."},{"lang":"en","time":"2025-06-17T00:00:00.000Z","value":"Made public."}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2025/06/17/5"},{"url":"http://www.openwall.com/lists/oss-security/2025/06/17/6"},{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00018.html"},{"url":"http://www.openwall.com/lists/oss-security/2025/06/18/1"},{"url":"https://www.bleepingcomputer.com/news/linux/new-linux-udisks-flaw-lets-attackers-get-root-on-major-linux-distros/"},{"url":"https://news.ycombinator.com/item?id=44325861"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-06-23T13:39:55.143Z"},"x_generator":{"engine":"ADPogram 0.0.1"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-6019","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-06-24T03:55:34.080434Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T17:50:28.586Z"}}]}}}