- Vulnerability/
- CVE-2024-26946
1/5/2024
1/5/2024
2/8/2024
CVE-2024-26946: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address
First published: Wed May 01 2024(Updated: )
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. ]
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 6.9.12-1 | |
| ubuntu/linux | <6.8.0-35.35 | 6.8.0-35.35 |
| ubuntu/linux | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws | <6.8.0-1009.9 | 6.8.0-1009.9 |
| ubuntu/linux-aws | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws-fips | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-aws-hwe | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure | <6.8.0-1008.8 | 6.8.0-1008.8 |
| ubuntu/linux-azure | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-4.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-fde | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-fde-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-azure-fips | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-bluefield | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-fips | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp | <6.8.0-1008.9 | 6.8.0-1008.9 |
| ubuntu/linux-gcp | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp-4.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gcp-fips | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gke | <6.8.0-1004.7 | 6.8.0-1004.7 |
| ubuntu/linux-gke | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gkeop | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-gkeop-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-hwe | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-hwe-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-hwe-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-hwe-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-ibm | <6.8.0-1006.6 | 6.8.0-1006.6 |
| ubuntu/linux-ibm | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-ibm-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-ibm-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-intel | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-intel-iotg | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-intel-iotg-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-iot | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-kvm | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-laptop | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-lowlatency | <6.8.0-35.35.1 | 6.8.0-35.35.1 |
| ubuntu/linux-lowlatency | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-lts-xenial | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-nvidia | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-nvidia-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-nvidia-6.8 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-nvidia-lowlatency | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oem-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oem-6.8 | <6.8.0-1006.6 | 6.8.0-1006.6 |
| ubuntu/linux-oem-6.8 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oracle | <6.8.0-1006.6 | 6.8.0-1006.6 |
| ubuntu/linux-oracle | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oracle-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oracle-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-oracle-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-raspi | <6.8.0-1005.5 | 6.8.0-1005.5 |
| ubuntu/linux-raspi | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-raspi-5.4 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-riscv | <6.8.0-35.35.1 | 6.8.0-35.35.1 |
| ubuntu/linux-riscv | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-riscv-5.15 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-riscv-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-starfive | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-starfive-6.5 | <6.9~<6.8.3 | 6.9~ 6.8.3 |
| ubuntu/linux-xilinx-zynqmp | <6.9~<6.8.3 | 6.9~ 6.8.3 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/stable/c/20fdb21eabaeb8f78f8f701f56d14ea0836ec861
- https://git.kernel.org/stable/c/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b
- https://git.kernel.org/stable/c/6417684315087904fffe8966d27ca74398c57dd6
- https://git.kernel.org/stable/c/b69f577308f1070004cafac106dd1a44099e5483
- https://git.kernel.org/stable/c/f13edd1871d4fb4ab829aff629d47914e251bae3
- https://launchpad.net/bugs/cve/CVE-2024-26946
- https://git.kernel.org/linus/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b
- https://security-tracker.debian.org/tracker/CVE-2024-26946
- https://www.cve.org/CVERecord?id=CVE-2024-26946
- https://git.kernel.org/linus/4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b (6.9-rc1)
- https://ubuntu.com/security/notices/USN-6816-1
- https://ubuntu.com/security/notices/USN-6817-1
- https://ubuntu.com/security/notices/USN-6817-2
- https://ubuntu.com/security/notices/USN-6817-3
- https://ubuntu.com/security/notices/USN-6878-1
- https://nvd.nist.gov/vuln/detail/CVE-2024-26946
- https://git.kernel.org/linus/cc66bb91457827f62e2b6cb2518666820f0a6c48
- https://ubuntu.com/security/CVE-2024-26946
Parent vulnerabilities
(Appears in the following advisories)
- agent/title
- agent/severity
- agent/type
- collector/nvd-api
- source/NVD
- agent/remedy
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- collector/nvd-cve
- agent/author
- agent/description
- agent/event
- agent/references
- agent/tags
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- package-manager/debian
- package-manager/ubuntu