Vulnerability · Published Apr 28, 2024 · Assigned by Linux
CVE-2024-26928smb: client: fix potential UAF in cifs_debug_files_proc_show()
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 0.3% (higher than 20% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 79.6% 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: smb: client: fix potential UAF in cifs_debug_files_proc_show() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.85-1 | DEBIAN-CVE-2024-26928 |
| Debian:13 | linux | 6.8.9-1 | DEBIAN-CVE-2024-26928 |
| Debian:14 | linux | 6.8.9-1 | DEBIAN-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux | 5.15.0-136.147 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux | 5.15.0-136.147 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux | 6.8.0-38.38 | USN-6893-1 |
| Ubuntu:24.04:LTS | linux | 6.8.0-38.38 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1081.88 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1081.88 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1011.12 | USN-6893-3 |
| Ubuntu:24.04:LTS | linux-aws | 6.8.0-1011.12 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-aws-6.8 | 6.8.0-1011.12~22.04.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1086.95 | USN-7420-1 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1086.95 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1010.10 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-azure | 6.8.0-1010.10 | USN-6893-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-6.8 | 6.8.0-1010.10~22.04.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1086.95.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1086.95.1 | USN-7420-1 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1080.89 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1080.89 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1010.11 | USN-6893-1 |
| Ubuntu:24.04:LTS | linux-gcp | 6.8.0-1010.11 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gcp-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1078.84 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1078.84 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1006.9 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-gke | 6.8.0-1006.9 | USN-6893-2 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1063.71 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1063.71 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1073.76 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1073.76 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1008.8 | USN-6893-1 |
| Ubuntu:24.04:LTS | linux-ibm | 6.8.0-1008.8 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-intel | 6.8.0-1007.14 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-intel | 6.8.0-1007.14 | USN-6893-1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1076.82 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1076.82 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1077.82 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1077.82 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-136.147 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-136.147 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-38.38.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-lowlatency | 6.8.0-38.38.1 | USN-6893-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1075.76 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1075.76 | USN-7406-5 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1009.9 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-nvidia | 6.8.0-1009.9 | USN-6893-2 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia-6.8 | 6.8.0-1009.9~22.04.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1034.34 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1034.34 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1022.22 | USN-7406-6 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1022.22 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1008.8 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-oem-6.8 | 6.8.0-1008.8 | USN-6893-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1078.84 | USN-7406-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1078.84 | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1008.8 | USN-6918-1 |
| Ubuntu:24.04:LTS | linux-oracle | 6.8.0-1008.8 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oracle-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-oracle-6.8 | 6.8.0-1008.8~22.04.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1075.78 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1075.78 | USN-7406-1 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1007.7 | USN-6893-1 |
| Ubuntu:24.04:LTS | linux-raspi | 6.8.0-1007.7 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:24.04:LTS | linux-riscv | 6.8.0-38.38.1 | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-riscv-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-starfive-6.5 | no fix listed | UBUNTU-CVE-2024-26928 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1046.50 | USN-7475-1 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1046.50 | UBUNTU-CVE-2024-26928 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before 8f8718afd446cd4ea3b62bacc3eec09f8aae85eedfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before a140224bcf87eb98a87b67ff4c6826c57e47b704dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before 229042314602db62559ecacba127067c22ee7b88dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before a65f2b56334ba4dc30bd5ee9ce5b2691b973344ddfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before 3402faf78b2516b0af1259baff50cc8453ef0bd1dfe33f9abc08997e56f9bdf14fe9ac7ac0e14075 – before ca545b7f0823f19db0f1148d59bc5e1a56634502 |
| Linux | Linux | 4.20 |
References
- https://git.kernel.org/stable/c/8f8718afd446cd4ea3b62bacc3eec09f8aae85ee
- https://git.kernel.org/stable/c/a140224bcf87eb98a87b67ff4c6826c57e47b704
- https://git.kernel.org/stable/c/229042314602db62559ecacba127067c22ee7b88
- https://git.kernel.org/stable/c/a65f2b56334ba4dc30bd5ee9ce5b2691b973344d
- https://git.kernel.org/stable/c/3402faf78b2516b0af1259baff50cc8453ef0bd1
- https://git.kernel.org/stable/c/ca545b7f0823f19db0f1148d59bc5e1a56634502
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html