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Vulnerability · Published Jun 21, 2024 · Assigned by Linux

CVE-2024-33619efi: libstub: only free priv.runtime_map when allocated

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 83.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.94-1DEBIAN-CVE-2024-33619
Debian:13linux6.9.7-1DEBIAN-CVE-2024-33619
Debian:14linux6.9.7-1DEBIAN-CVE-2024-33619
Ubuntu:24.04:LTSlinux6.8.0-44.44UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux6.8.0-44.44USN-6999-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-aws6.8.0-1015.16UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-aws6.8.0-1015.16USN-6999-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1015.16~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-azure6.8.0-1014.16USN-7004-1
Ubuntu:24.04:LTSlinux-azure6.8.0-1014.16UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1014.16~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-gcp6.8.0-1014.16UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-gcp6.8.0-1014.16USN-6999-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1014.16~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-gke6.8.0-1010.13USN-6999-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1010.13UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-45.45~22.04.1USN-7029-1
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-45.45~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-ibm6.8.0-1012.12USN-6999-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1012.12UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-44.44.1USN-6999-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-44.44.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-44.44.1~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-44.44.1~22.04.1USN-7008-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1013.14USN-7005-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1013.14UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1013.14~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1013.14~22.04.1USN-7005-2
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1013.14.1UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1013.14.1USN-7005-1
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1012.12USN-6999-1
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1012.12UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-oracle6.8.0-1012.12USN-6999-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1012.12UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1012.12~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-raspi6.8.0-1011.12USN-6999-2
Ubuntu:24.04:LTSlinux-raspi6.8.0-1011.12UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-33619
Ubuntu:24.04:LTSlinux-riscv6.8.0-44.44.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-44.44.1~22.04.1UBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-33619
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-33619

Affected products (as reported)

VendorProductVersions
Linux Linux f80d26043af91ceb5036c478101c015edb9e7630 – before b8938d6f570f010a1dcdbfed3e5b5d3258c2a908f80d26043af91ceb5036c478101c015edb9e7630 – before 9dce01f386c9ce6990c0a83fa14b1c95330b037ef80d26043af91ceb5036c478101c015edb9e7630 – before 6ca67a5fe1c606d1fbe24c30a9fc0bdc43a18554f80d26043af91ceb5036c478101c015edb9e7630 – before 4b2543f7e1e6b91cfc8dd1696e3cdf01c3ac8974
Linux Linux 6.1

References