Linux · Security advisory · April 22, 2024
ELSA-2024-1903: Security update for 2 packages
ELSA-2024-1903, released April 22, 2024, fixes 6 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
6
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0542
92nd percentile
Priority of the 6 CVEs
Patch now 0
Urgent 1
High 1
Routine 4
Fixed package versions
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2023-40547 | Redhat: CVE-2023-40547 Shim - RCE in HTTP boot support may lead to secure boot bypass | 8.3 | 0.0542 | Exploitation Less Likely | |
| High | CVE-2023-40548 | shim: A buffer overflow was found in Shim in the 32-bit system | 7.4 | 0.0044 | None reported | |
| Routine | CVE-2023-40546 | shim: A flaw was found in Shim when an error happened while creating a new ESL variable | 6.2 | 0.0044 | None reported | |
| Routine | CVE-2023-40549 | shim: An out-of-bounds read flaw was found in Shim due to the lack of properboundary verification during the load of a PE b... | 6.2 | 0.0041 | None reported | |
| Routine | CVE-2023-40550 | shim: An out-of-bounds read flaw was found in Shim when it tried to validate theSBAT information | 5.5 | 0.0040 | None reported | |
| Routine | CVE-2023-40551 | shim: A flaw was found in the MZ binary format in Shim | 5.1 | 0.0040 | None reported |
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