6.2

CVE-2023-40546

Shim: out-of-bounds read printing error messages

A flaw was found in Shim when an error happened while creating a new ESL variable. If Shim fails to create the new variable, it tries to print an error message to the user; however, the number of parameters used by the logging function doesn't match the format string used by it, leading to a crash under certain circumstances.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Redhat ≫ Shim Version < 15.8
Fedoraproject ≫ Fedora Version39
Redhat ≫ Enterprise Linux Version8.0
Redhat ≫ Enterprise Linux Version9.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.43% 0.345
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
secalert@redhat.com 6.2 2.5 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://access.redhat.com/errata/RHSA-2024:1834
https://access.redhat.com/errata/RHSA-2024:1835
https://access.redhat.com/errata/RHSA-2024:1873
https://access.redhat.com/errata/RHSA-2024:1876
https://access.redhat.com/errata/RHSA-2024:1883
https://access.redhat.com/errata/RHSA-2024:1902
https://access.redhat.com/errata/RHSA-2024:1903
https://access.redhat.com/errata/RHSA-2024:1959
https://access.redhat.com/errata/RHSA-2024:2086
https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html
https://access.redhat.com/security/cve/CVE-2023-40546
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2241796
Vendor Advisory
Issue Tracking