Vulnerability · Published Jul 5, 2024 · Assigned by Linux
CVE-2024-39475fbdev: savage: Handle err return when savagefb_check_var failed
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 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: fbdev: savage: Handle err return when savagefb_check_var failed The commit 04e5eac8f3ab("fbdev: savage: Error out if pixclock equals zero") checks the value of pixclock to avoid divide-by-zero error. However the function savagefb_probe doesn't handle the error return of savagefb_check_var. When pixclock is 0, it will cause divide-by-zero error.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.94-1 | DEBIAN-CVE-2024-39475 |
| Debian:13 | linux | 6.9.7-1 | DEBIAN-CVE-2024-39475 |
| Debian:14 | linux | 6.9.7-1 | DEBIAN-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux | 5.15.0-121.131 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux | 6.8.0-44.44 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1069.75 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1015.16 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1015.16~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1072.81 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1014.16 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1014.16~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1072.81.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1068.76 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1014.16 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gcp-6.8 | 6.8.0-1014.16~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1066.72 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1010.13 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1052.59 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-hwe-6.8 | 6.8.0-45.45~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1062.65 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1012.12 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1064.70 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1066.71 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-121.131 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-44.44.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.8 | 6.8.0-44.44.1~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1064.65 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1013.14 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1013.14~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-nvidia-lowlatency | 6.8.0-1013.14.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1012.12 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1067.73 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1012.12 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1012.12~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1062.65 | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1011.12 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-44.44.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-riscv-6.8 | 6.8.0-44.44.1~22.04.1 | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-39475 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1035.39 | UBUNTU-CVE-2024-39475 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 224453de8505aede1890f007be973925a3edf6a1 – before be754cbd77eaf2932408a4e18532e4945274a5c784dce0f6a4cc5b7bfd7242ef9290db8ac1dd77ff – before 86435f39c18967cdd937d7a49ba539cdea7fb547512ee6d6041e007ef5bf200c6e388e172a2c5b24 – before 32f92b0078ebf79dbe4827288e0acb50d89d3d5b8c54acf33e5adaad6374bf3ec1e3aff0591cc8e1 – before 4b2c67e30b4e1d2ae19dba8b8e8f3b5fd3cf8089070398d32c5f3ab0e890374904ad94551c76aec4 – before edaa57480b876e8203b51df7c3d14a51ea6b09e3bc3c2e58d73b28b9a8789fca84778ee165a72d13 – before b8385ff814ca4cb7e63789841e6ec2a14c73e1e804e5eac8f3ab2ff52fa191c187a46d4fdbc1e288 – before 5f446859bfa46df0ffb34149499f48a2c2d8cd9504e5eac8f3ab2ff52fa191c187a46d4fdbc1e288 – before 6ad959b6703e2c4c5d7af03b4cfd5ff608036339 |
| Linux | Linux | 6.8 |
References
- https://git.kernel.org/stable/c/be754cbd77eaf2932408a4e18532e4945274a5c7
- https://git.kernel.org/stable/c/86435f39c18967cdd937d7a49ba539cdea7fb547
- https://git.kernel.org/stable/c/32f92b0078ebf79dbe4827288e0acb50d89d3d5b
- https://git.kernel.org/stable/c/4b2c67e30b4e1d2ae19dba8b8e8f3b5fd3cf8089
- https://git.kernel.org/stable/c/edaa57480b876e8203b51df7c3d14a51ea6b09e3
- https://git.kernel.org/stable/c/b8385ff814ca4cb7e63789841e6ec2a14c73e1e8
- https://git.kernel.org/stable/c/5f446859bfa46df0ffb34149499f48a2c2d8cd95
- https://git.kernel.org/stable/c/6ad959b6703e2c4c5d7af03b4cfd5ff608036339