Vulnerability · Published May 1, 2024 · Assigned by Linux
CVE-2024-26946kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
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 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 84.7% 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: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic. [ mingo: Clarified the comment. ]
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:9 | bpftool | 7.3.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-devel-matched | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-debug-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-devel-matched | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-64k-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-abi-stablelists | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-cross-headers | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-devel-matched | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-debug-uki-virt | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-devel-matched | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-doc | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-headers | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-debug-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-rt-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-tools | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-tools-libs | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-tools-libs-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-uki-virt | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-devel | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-devel-matched | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-modules | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-modules-core | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | kernel-zfcpdump-modules-extra | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | libperf | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | perf | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | python3-perf | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | rtla | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| AlmaLinux:9 | rv | 5.14.0-427.35.1.el9_4 | ALSA-2024:6567 |
| Debian:12 | linux | 6.1.85-1 | DEBIAN-CVE-2024-26946 |
| Debian:13 | linux | 6.7.12-1 | DEBIAN-CVE-2024-26946 |
| Debian:14 | linux | 6.7.12-1 | DEBIAN-CVE-2024-26946 |
| Rocky Linux:9 | kernel | 0:5.14.0-427.35.1.el9_4 | RLSA-2024:6567 |
| Rocky Linux:9 | kernel | 0:5.14.0-427.35.1.el9_4.cloud.1.0 | RXSA-2024:6567 |
| Ubuntu:24.04:LTS | linux | 6.8.0-35.35 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1009.9 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1008.8 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1008.9 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1004.7 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1006.6 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-35.35.1 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1006.6 | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1006.6 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1005.5 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-35.35.1 | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-26946 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-26946 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | cc66bb91457827f62e2b6cb2518666820f0a6c48 – before 6417684315087904fffe8966d27ca74398c57dd6cc66bb91457827f62e2b6cb2518666820f0a6c48 – before f13edd1871d4fb4ab829aff629d47914e251bae3cc66bb91457827f62e2b6cb2518666820f0a6c48 – before 20fdb21eabaeb8f78f8f701f56d14ea0836ec861cc66bb91457827f62e2b6cb2518666820f0a6c48 – before b69f577308f1070004cafac106dd1a44099e5483cc66bb91457827f62e2b6cb2518666820f0a6c48 – before 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b |
| Linux | Linux | 5.18 |
References
- https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6
- https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3
- https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861
- https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483
- https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b