Vulnerability · Published Apr 17, 2024 · Assigned by Linux
CVE-2024-26843efi: runtime: Fix potential overflow of soft-reserved region size
Medium 6.0
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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.0Medium
Exploit odds (30 days)0.2%top 85.9% 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: runtime: Fix potential overflow of soft-reserved region size md_size will have been narrowed if we have >= 4GB worth of pages in a soft-reserved region.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.82-1 | DEBIAN-CVE-2024-26843 |
| Debian:13 | linux | 6.7.7-1 | DEBIAN-CVE-2024-26843 |
| Debian:14 | linux | 6.7.7-1 | DEBIAN-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux | 5.15.0-112.122 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1063.69 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1066.75 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1067.76.1 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1062.70 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1060.66 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1046.53 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1056.59 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1058.64 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1060.65 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-110.120 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1058.59 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1026.26 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1015.15 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1061.67 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1058.61 | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-26843 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2024-26843 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 16993c0f0a43213e23666ea40e9163887f593ac7 – before 4fff3d735baea104017f2e3c245e27cdc79f242616993c0f0a43213e23666ea40e9163887f593ac7 – before 4aa36b62c3eaa869860bf78b1146e9f2b5f782a916993c0f0a43213e23666ea40e9163887f593ac7 – before 700c3f642c32721f246e09d3a9511acf40ae42be16993c0f0a43213e23666ea40e9163887f593ac7 – before cf3d6813601fe496de7f023435e31bfffa74ae7016993c0f0a43213e23666ea40e9163887f593ac7 – before 156cb12ffdcf33883304f0db645e1eadae712fe016993c0f0a43213e23666ea40e9163887f593ac7 – before de1034b38a346ef6be25fe8792f5d1e0684d5ff4 |
| Linux | Linux | 5.5 |
References
- https://git.kernel.org/stable/c/4fff3d735baea104017f2e3c245e27cdc79f2426
- https://git.kernel.org/stable/c/4aa36b62c3eaa869860bf78b1146e9f2b5f782a9
- https://git.kernel.org/stable/c/700c3f642c32721f246e09d3a9511acf40ae42be
- https://git.kernel.org/stable/c/cf3d6813601fe496de7f023435e31bfffa74ae70
- https://git.kernel.org/stable/c/156cb12ffdcf33883304f0db645e1eadae712fe0
- https://git.kernel.org/stable/c/de1034b38a346ef6be25fe8792f5d1e0684d5ff4
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html x_transferred