Vulnerability · Published May 21, 2024 · Assigned by Linux
CVE-2023-52748f2fs: avoid format-overflow warning
High 7.8
In plain English
A high-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 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid format-overflow warning With gcc and W=1 option, there's a warning like this: fs/f2fs/compress.c: In function ‘f2fs_init_page_array_cache’: fs/f2fs/compress.c:1984:47: error: ‘%u’ directive writing between 1 and 7 bytes into a region of size between 5 and 8 [-Werror=format-overflow=] 1984 | sprintf(slab_name, "f2fs_page_array_entry-%u:%u", MAJOR(dev), MINOR(dev)); | ^~ String "f2fs_page_array_entry-%u:%u" can up to 35. The first "%u" can up to 4 and the second "%u" can up to 7, so total size is "24 + 4 + 7 = 35". slab_name's size should be 35 rather than 32.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.64-1 | DEBIAN-CVE-2023-52748 |
| Debian:13 | linux | 6.6.8-1 | DEBIAN-CVE-2023-52748 |
| Debian:14 | linux | 6.6.8-1 | DEBIAN-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux | 5.15.0-100.110 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1056.61 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1058.66 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1058.66.1 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1053.61 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1052.57 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1038.44 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1048.51 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1050.56 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1052.57 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-100.110 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1046.46 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1014.14 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1025.25 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1012.12 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1053.59 | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1048.51 | UBUNTU-CVE-2023-52748 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-52748 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1030.34 | UBUNTU-CVE-2023-52748 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 31083031709eea6530f0551d59eecdb2e68265ef – before c041f5ddef00c731c541e00bc8ae97b8c84c682f31083031709eea6530f0551d59eecdb2e68265ef – before e4088d7d8f1123006d46a42edf51b8c960a58ef931083031709eea6530f0551d59eecdb2e68265ef – before 526dd7540a09ecf87b5f54f3ab4e0a2528f25a7931083031709eea6530f0551d59eecdb2e68265ef – before 6fca08fd3085253b48fcb1bd243a0a5e18821a0031083031709eea6530f0551d59eecdb2e68265ef – before 3eebe636cac53886bd5d1cdd55e082ec9e84983f31083031709eea6530f0551d59eecdb2e68265ef – before e0d4e8acb3789c5a8651061fbab62ca24a45c063 |
| Linux | Linux | 5.10 |
References
- https://git.kernel.org/stable/c/c041f5ddef00c731c541e00bc8ae97b8c84c682f
- https://git.kernel.org/stable/c/e4088d7d8f1123006d46a42edf51b8c960a58ef9
- https://git.kernel.org/stable/c/526dd7540a09ecf87b5f54f3ab4e0a2528f25a79
- https://git.kernel.org/stable/c/6fca08fd3085253b48fcb1bd243a0a5e18821a00
- https://git.kernel.org/stable/c/3eebe636cac53886bd5d1cdd55e082ec9e84983f
- https://git.kernel.org/stable/c/e0d4e8acb3789c5a8651061fbab62ca24a45c063