Vulnerability · Published Dec 9, 2025 · Assigned by Linux
CVE-2023-53803scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
High 8.1
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 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process() A fix for: BUG: KASAN: slab-out-of-bounds in ses_enclosure_data_process+0x949/0xe30 [ses] Read of size 1 at addr ffff88a1b043a451 by task systemd-udevd/3271 Checking after (and before in next loop) addl_desc_ptr[1] is sufficient, we expect the size to be sanitized before first access to addl_desc_ptr[1]. Make sure we don't walk beyond end of page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.20-1 | DEBIAN-CVE-2023-53803 |
| Debian:13 | linux | 6.1.20-1 | DEBIAN-CVE-2023-53803 |
| Debian:14 | linux | 6.1.20-1 | DEBIAN-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux | 5.15.0-75.82 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1038.43 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1040.47 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-azure-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1041.48.1 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1036.44 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-gcp-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1036.41 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1022.27 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1032.35 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1033.38 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1035.40 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-75.82 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-lowlatency-hwe-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1027.27 | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-nvidia-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1015.15 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-oem-6.11 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1037.43 | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1032.35 | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:24.04:LTS | linux-riscv-6.14 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2023-53803 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2023-53803 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 21fab1d0595eacf781705ec3509012a28f298245 – before da1a955c48a16e16e925d6544793914e52a6fa5121fab1d0595eacf781705ec3509012a28f298245 – before 9e5c7d52085b8c84bc82a261580f0eb17003932521fab1d0595eacf781705ec3509012a28f298245 – before 467afb1dd630d8c6d172bd6cacc125199b5f4f2d21fab1d0595eacf781705ec3509012a28f298245 – before e4dd25da784b2e07dbfbf04509afa4c5a137522721fab1d0595eacf781705ec3509012a28f298245 – before 2b28a7d261cb309912596d6a2d383ca37048352721fab1d0595eacf781705ec3509012a28f298245 – before 0dfe68394cbe1d4fe579fb325ecc813c50528c5a21fab1d0595eacf781705ec3509012a28f298245 – before 799e8dd2022d2e13f0c5c1906b40ceca07a2334921fab1d0595eacf781705ec3509012a28f298245 – before 9b4f5028e493cb353a5c8f5c45073eeea0303abd |
| Linux | Linux | 2.6.32 |
References
- https://git.kernel.org/stable/c/da1a955c48a16e16e925d6544793914e52a6fa51
- https://git.kernel.org/stable/c/9e5c7d52085b8c84bc82a261580f0eb170039325
- https://git.kernel.org/stable/c/467afb1dd630d8c6d172bd6cacc125199b5f4f2d
- https://git.kernel.org/stable/c/e4dd25da784b2e07dbfbf04509afa4c5a1375227
- https://git.kernel.org/stable/c/2b28a7d261cb309912596d6a2d383ca370483527
- https://git.kernel.org/stable/c/0dfe68394cbe1d4fe579fb325ecc813c50528c5a
- https://git.kernel.org/stable/c/799e8dd2022d2e13f0c5c1906b40ceca07a23349
- https://git.kernel.org/stable/c/9b4f5028e493cb353a5c8f5c45073eeea0303abd