Vulnerability · Published Jun 18, 2024 · Assigned by Linux

CVE-2024-36975KEYS: trusted: Do not use WARN when encode fails

Medium 5.5

In plain English

A medium-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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 88.7% 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: KEYS: trusted: Do not use WARN when encode fails When asn1_encode_sequence() fails, WARN is not the correct solution. 1. asn1_encode_sequence() is not an internal function (located in lib/asn1_encode.c). 2. Location is known, which makes the stack trace useless. 3. Results a crash if panic_on_warn is set. It is also noteworthy that the use of WARN is undocumented, and it should be avoided unless there is a carefully considered rationale to use it. Replace WARN with pr_err, and print the return value instead, which is only useful piece of information.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.94-1DEBIAN-CVE-2024-36975
Debian:13linux6.8.11-1DEBIAN-CVE-2024-36975
Debian:14linux6.8.11-1DEBIAN-CVE-2024-36975
Ubuntu:22.04:LTSlinux5.15.0-118.128UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux5.15.0-118.128USN-6950-1
Ubuntu:24.04:LTSlinux6.8.0-40.40UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws5.15.0-1067.73UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws5.15.0-1067.73USN-6950-1
Ubuntu:24.04:LTSlinux-aws6.8.0-1013.14UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1013.14~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure5.15.0-1070.79UBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-azure6.8.0-1012.14UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1012.14~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1070.79.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gcp5.15.0-1066.74USN-6950-1
Ubuntu:22.04:LTSlinux-gcp5.15.0-1066.74UBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-gcp6.8.0-1012.13UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1012.13~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gke5.15.0-1064.70UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gke5.15.0-1064.70USN-6950-1
Ubuntu:24.04:LTSlinux-gke6.8.0-1008.11UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1050.57UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1050.57USN-6950-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-40.40~22.04.3UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-ibm5.15.0-1060.63USN-6950-2
Ubuntu:22.04:LTSlinux-ibm5.15.0-1060.63UBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-ibm6.8.0-1010.10UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1010.10~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1062.68UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1062.68USN-6950-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1064.69USN-6950-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1064.69UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-118.128UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-118.128USN-6950-1
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-40.40.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1062.63UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1062.63USN-6950-1
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1011.11UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1011.11~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1011.11.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1027.27UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1015.15UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1010.10UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oracle5.15.0-1065.71UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oracle5.15.0-1065.71USN-6950-3
Ubuntu:24.04:LTSlinux-oracle6.8.0-1010.10UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1010.10~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-raspi5.15.0-1060.63USN-6950-2
Ubuntu:22.04:LTSlinux-raspi5.15.0-1060.63UBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-raspi6.8.0-1009.10UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-36975
Ubuntu:24.04:LTSlinux-riscv6.8.0-40.40.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-40.40.1~22.04.1UBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-36975
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1035.39UBUNTU-CVE-2024-36975

Affected products (as reported)

VendorProductVersions
Linux Linux f2219745250f388edacabe6cca73654131c67d0a – before 96f650995c70237b061b497c66755e32908f8972f2219745250f388edacabe6cca73654131c67d0a – before 681935009fec3fc22af97ee312d4a24ccf3cf087f2219745250f388edacabe6cca73654131c67d0a – before 1c652e1e10676f942149052d9329b8bf2703529af2219745250f388edacabe6cca73654131c67d0a – before d32c6e09f7c4bec3ebc4941323f0aa6366bc1487f2219745250f388edacabe6cca73654131c67d0a – before ff91cc12faf798f573dab2abc976c1d5b1862feaf2219745250f388edacabe6cca73654131c67d0a – before 050bf3c793a07f96bd1e2fd62e1447f731ed733b
Linux Linux 5.13

References