5.5

CVE-2024-33619

efi: libstub: only free priv.runtime_map when allocated

In the Linux kernel, the following vulnerability has been resolved:

efi: libstub: only free priv.runtime_map when allocated

priv.runtime_map is only allocated when efi_novamap is not set.
Otherwise, it is an uninitialized value.  In the error path, it is freed
unconditionally.  Avoid passing an uninitialized value to free_pool.
Free priv.runtime_map only when it was allocated.

This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 6.1 < 6.1.93
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.33
Linux ≫ Linux Kernel Version >= 6.7 < 6.9.4
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.147
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
CWE-908 Use of Uninitialized Resource

The product uses or accesses a resource that has not been initialized.

https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974
Patch
Mailing List
https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554
Patch
Mailing List
https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e
Patch
Mailing List
https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908
Patch
Mailing List