- Vulnerability/
- CVE-2024-33619
21/6/2024
21/6/2024
19/12/2024
CVE-2024-33619: efi: libstub: only free priv.runtime_map when allocated
First published: Fri Jun 21 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://git.kernel.org/stable/c/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974
- https://git.kernel.org/stable/c/6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554
- https://git.kernel.org/stable/c/9dce01f386c9ce6990c0a83fa14b1c95330b037e
- https://git.kernel.org/stable/c/b8938d6f570f010a1dcdbfed3e5b5d3258c2a908
- https://launchpad.net/bugs/cve/CVE-2024-33619
- https://git.kernel.org/linus/4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974
- https://security-tracker.debian.org/tracker/CVE-2024-33619
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-33619
- https://nvd.nist.gov/vuln/detail/CVE-2024-33619
- https://ubuntu.com/security/CVE-2024-33619
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