Shim: out-of-bound read in verify_buffer_sbat()
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.4%
exploitation probability
0.4%top 66% of all CVEs
observed exploitation
nono source reports it
An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Affected products
Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat · Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat · Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat · Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat · Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat · Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9Red Hat · Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat · Red Hat Enterprise Linux 9.2 Extended Update SupportReferences
https://access.redhat.com/errata/RHSA-2024:1834https://access.redhat.com/errata/RHSA-2024:1835https://access.redhat.com/errata/RHSA-2024:1873https://access.redhat.com/errata/RHSA-2024:1876https://access.redhat.com/errata/RHSA-2024:1883https://access.redhat.com/errata/RHSA-2024:1902https://access.redhat.com/errata/RHSA-2024:1903https://access.redhat.com/errata/RHSA-2024:1959https://access.redhat.com/errata/RHSA-2024:2086https://access.redhat.com/security/cve/CVE-2023-40550https://bugzilla.redhat.com/show_bug.cgi?id=2259915https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html