cve-2024-4418
Vulnerability from cvelistv5
Published
2024-05-08 03:03
Modified
2024-11-13 14:26
Severity ?
6.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A race condition leading to a stack use-after-free flaw was found in libvirt. Due to a bad assumption in the virNetClientIOEventLoop() method, the `data` pointer to a stack-allocated virNetClientIOEventData structure ended up being used in the virNetClientIOEventFD callback while the data pointer's stack frame was concurrently being "freed" when returning from virNetClientIOEventLoop(). The 'virtproxyd' daemon can be used to trigger requests. If libvirt is configured with fine-grained access control, this issue, in theory, allows a user to escape their otherwise limited access. This flaw allows a local, unprivileged user to access virtproxyd without authenticating. Remote users would need to authenticate before they could access it.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:4351
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:4432
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:4757
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2024-4418
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2278616
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:4351
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:4432
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:4757
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2024-4418
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2278616
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4IE44UIIC3QWBFRB4EUSFNLJBU6JLNSD/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q4ZQBAJVHIZMCZNTRPUW3ZKXRKLXRQZU/
Impacted products
Vendor Product Version
Version: 0   ≤
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   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020240606142719.489197e6   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 8100020240606142719.489197e6   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
    cpe:/a:redhat:enterprise_linux:8::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:10.0.0-6.6.el9_4   < *
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:9.0.0-10.7.el9_2   < *
    cpe:/a:redhat:rhel_eus:9.2::appstream
    cpe:/a:redhat:rhel_eus:9.2::crb
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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   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 8 Advanced Virtualization     cpe:/a:redhat:advanced_virtualization:8::el8
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