CVE-2024-33619

MEDIUM

Linux Kernel 6.1-6.1.92, 6.2-6.6.32, 6.7-6.9.3 - Use-After-Free in EFI Runtime Map Handling

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 14.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-908
Status published
Products (14)
linux/Kernel 6.1.0 - 6.1.93linux
linux/Kernel 6.2.0 - 6.6.33linux
linux/Kernel 6.7.0 - 6.9.4linux
Linux/Linux < 6.1
Linux/Linux 6.1
Linux/Linux 6.1.93 - 6.1.*
Linux/Linux 6.10
Linux/Linux 6.6.33 - 6.6.*
Linux/Linux 6.9.4 - 6.9.*
Linux/Linux f80d26043af91ceb5036c478101c015edb9e7630 - 4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974
... and 4 more
Published Jun 21, 2024
Tracked Since Feb 18, 2026