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Vulnerability · Published May 1, 2025 · Assigned by Linux

CVE-2022-49845can: j1939: j1939_send_one(): fix missing CAN header initialization

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 12% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 87.8% 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: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9kernel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-64k-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-abi-stablelists5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-cross-headers5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-debug-uki-virt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-doc5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-headers5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-64k-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-rt-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools-libs5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-tools-libs-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-uki-virt5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-uki-virt-addons5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-devel5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules-core5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9libperf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9perf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9python3-perf5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9rtla5.14.0-611.5.1.el9_7ALSA-2025:20518
AlmaLinux:9rv5.14.0-611.5.1.el9_7ALSA-2025:20518
Debian:12linux6.0.10-1DEBIAN-CVE-2022-49845
Debian:13linux6.0.10-1DEBIAN-CVE-2022-49845
Debian:14linux6.0.10-1DEBIAN-CVE-2022-49845
Rocky Linux:9kernel0:5.14.0-611.5.1.el9_7RLSA-2025:20518
Ubuntu:22.04:LTSlinux5.15.0-67.74UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-aws5.15.0-1031.35UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure5.15.0-1034.41UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1034.41.1UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gcp5.15.0-1030.37UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gke5.15.0-1028.33UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1016.21UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-ibm5.15.0-1026.29UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1026.31UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-kvm5.15.0-1029.34UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-67.74UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1023.23UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oracle5.15.0-1030.36UBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-raspi5.15.0-1025.27UBUNTU-CVE-2022-49845
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49845
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-49845
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-49845

Affected products (as reported)

VendorProductVersions
Linux Linux 9d71dd0c70099914fcd063135da3c580865e924c – before d0513b095e1ef1469718564dec3fb3348556d0a89d71dd0c70099914fcd063135da3c580865e924c – before f8e0edeaa0f2b860bdbbf0aafb4492533043d6509d71dd0c70099914fcd063135da3c580865e924c – before 69e86c6268d59ceddd0abe9ae8f1f5296f316c3c9d71dd0c70099914fcd063135da3c580865e924c – before 2719f82ad5d8199cf5f346ea8bb3998ad5323b729d71dd0c70099914fcd063135da3c580865e924c – before 3eb3d283e8579a22b81dd2ac3987b77465b2a22f
Linux Linux 5.4

Weakness: CWE-908 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References