CVE-2024-33619

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf80d26043af91ceb5036c478101c015edb9e7630 < b8938d6f570f010a1dcdbfed3e5b5d3258c2a908affected
LinuxLinuxf80d26043af91ceb5036c478101c015edb9e7630 < 9dce01f386c9ce6990c0a83fa14b1c95330b037eaffected
LinuxLinuxf80d26043af91ceb5036c478101c015edb9e7630 < 6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554affected
LinuxLinuxf80d26043af91ceb5036c478101c015edb9e7630 < 4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974affected
LinuxLinux6.1affected
LinuxLinux0 < 6.1unaffected
LinuxLinux6.1.93 <= 6.1.*unaffected
LinuxLinux6.6.33 <= 6.6.*unaffected
LinuxLinux6.9.4 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References